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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
(Mark One)
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended March 31,June 30, 2023
OR
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from             to             
Commission File Number: 001-36383
Five9, Inc.
(Exact Name of Registrant as Specified in Its Charter)
Delaware94-3394123
(State or Other Jurisdiction of
Incorporation or Organization)
(I.R.S. Employer
Identification No.)
3001 Bishop Drive, Suite 350
San Ramon, CA 94583
(Address of Principal Executive Offices) (Zip Code)
(925) 201-2000
(Registrant’s Telephone Number, Including Area Code)

Securities registered pursuant to Section 12(b) of the Act:
Title of Each ClassTrading Symbol(s)Name of Each Exchange on Which Registered
Common stock, par value $0.001 per shareFIVNThe NASDAQ Global Market
Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes:     No:  
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes:   No: 
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company”, and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large Accelerated FilerAccelerated Filer
Non-accelerated filer(Do not check if a smaller reporting Company)Smaller Reporting Company
Emerging Growth Company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  Yes:  No: 
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes: No: 
As of MayAugust 1, 2023, there were 71,176,47372,212,312 shares of the Registrant’s common stock, par value $0.001 per share, outstanding.


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FIVE9, INC.
FORM 10-Q
TABLE OF CONTENTS

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SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which involve substantial risks and uncertainties. These statements reflect the current views of our senior management with respect to our future events, strategies and our financial trends and performance. These forward-looking statements include statements with respect to our business, expenses, strategies, losses, growth plans, product and client initiatives, market growth projections, and our industry. Statements that include the words “expect,” “intend,” “plan,” “believe,” “project,” “forecast,” “estimate,” “may,” “should,” “anticipate” and similar statements of a future or forward-looking nature identify forward-looking statements for purposes of the federal securities laws or otherwise.
Forward-looking statements address matters that involve risks and uncertainties. Accordingly, there are or will be important factors that could cause our actual results to differ materially from those indicated in these statements. These factors include the information under the caption "Risk Factors" set forth in Part 1, Item 1A, of our Annual Report on Form 10-K for the fiscal year ended December 31, 2022 and Part II, Item 1A, of this Quarterly Report, which we encourage you to carefully read, and include the following:
adverse economic conditions, including the impact of macroeconomic deterioration, including increased inflation, increased interest rates, supply chain disruptions, decreased economic output and fluctuations in currency rates, the impact of the Russia-Ukraine conflict, and other factors, may continue to harm our business;
if we are unable to attract new clients or sell additional services and functionality to our existing clients, our revenue and revenue growth will be harmed;
if our existing clients terminate their subscriptions or reduce their subscriptions and related usage, or fail to grow subscriptions at the rate they have in the past or that we might expect, our revenues and gross margins will be harmed, and we will be required to spend more money to grow our client base;
because a significant percentage of our revenue is derived from existing clients, downturns or upturns in new sales will not be immediately reflected in our operating results and may be difficult to discern;
we have established, and are continuing to increase, our network of technology solution brokers and resellers to sell our solution; our failure to effectively develop, manage, and maintain this network could materially harm our revenues;
our quarterly and annual results may fluctuate significantly, including as a result of the timing and success of new product and feature introductions by us, may not fully reflect the underlying performance of our business and may result in decreases in the price of our common stock;
our recent rapid growth may not be indicative of our future growth, and even if we continue to grow rapidly, we may fail to manage our growth effectively;
our recent Chief Executive Officer transition could disrupt our operations, result in additional executive and personnel transitions and make it more difficult for us to hire and retain employees;
failure to adequately retain and expand our sales force will impede our growth;
if we fail to manage our technical operations infrastructure, our existing clients may experience service outages, our new clients may experience delays in the deployment of our solution and we could be subject to, among other things, claims for credits or damages;
further development of our AI solutions may not be successful and may result in reputational harm and our future operating results could be materially harmed;
the AI technology and features incorporated into our solution includes new and evolving technologies that may present both legal and business risks;
the use of AI by our workforce may present risks to our business;
our growth depends in part on the success of our strategic relationships with third parties and our failure to successfully maintain, grow and manage these relationships could harm our business;
the markets in which we participate involve a high number of competitors that are continuing to increase, and if we do not compete effectively, our operating results could be harmed;
we continue to expand our international operations, which exposes us to significant macroeconomic and other risks;
security breaches and improper access to or disclosure of our data or our clients’ data, or other cyber attacks on our systems, could result in litigation and regulatory risk, harm our reputation and our business;
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we may acquire other companies, or technologies or be the target of strategic transactions, or be impacted by transactions by other companies, which could divert our management’s attention, result in additional dilution to our stockholders or use a significant amount of our cash resources and otherwise disrupt our operations and harm our operating results;
we sell our solution to larger organizations that require longer sales and implementation cycles and often demand more configuration and integration services or customized features and functions that we may not
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offer, any of which could delay or prevent these sales and harm our growth rates, business and operating results;
we rely on third-party telecommunications and internet service providers to provide our clients and their customers with telecommunication services and connectivity to our cloud contact center software and any failure by these service providers to provide reliable services could cause us to lose clients and subject us to claims for credits or damages, among other things;
we have a history of losses and we may be unable to achieve or sustain profitability;
the contact center software solutions market is subject to rapid technological change, and we must develop and sell incremental and new cloud contact center solutions, which we refer to as our solution, in order to maintain and grow our business;
our stock price is volatile;
we may not be able to secure additional financing on favorable terms, or at all, to meet our future capital needs;
failure to comply with laws and regulations could harm our business and our reputation; and
we may not have sufficient cash to service our convertible senior notes and repay such notes, if required.
The foregoing factors should not be construed as exhaustive and should be read together with the other cautionary statements included in, or incorporated into, this report. If one or more of these or other risks or uncertainties materialize, or if our underlying assumptions prove to be incorrect, our actual results may differ materially from what we anticipate. You should not place undue reliance on our forward-looking statements. Any forward-looking statements you read in this report reflect our views only as of the date of this report with respect to future events and are subject to these and other risks, uncertainties and assumptions relating to our operations, results of operations, growth strategy and liquidity. We undertake no obligation to update any forward-looking statements made in this report to reflect events or circumstances after the date of this report or to reflect new information or the occurrence of unanticipated events, except as required by law.

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PART I. FINANCIAL INFORMATION
ITEM 1. Financial Statements
FIVE9, INC.
CONDENSED CONSOLIDATED BALANCE SHEETS
(In thousands, except per share data)
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
(Unaudited)(Unaudited)
ASSETSASSETSASSETS
Current assets:Current assets:Current assets:
Cash and cash equivalentsCash and cash equivalents$141,359 $180,520 Cash and cash equivalents$195,592 $180,520 
Marketable investmentsMarketable investments488,381 433,743 Marketable investments464,244 433,743 
Accounts receivable, netAccounts receivable, net88,085 87,494 Accounts receivable, net88,461 87,494 
Prepaid expenses and other current assetsPrepaid expenses and other current assets32,018 29,711 Prepaid expenses and other current assets38,476 29,711 
Deferred contract acquisition costs, netDeferred contract acquisition costs, net50,566 47,242 Deferred contract acquisition costs, net54,462 47,242 
Total current assetsTotal current assets800,409 778,710 Total current assets841,235 778,710 
Property and equipment, netProperty and equipment, net101,057 101,221 Property and equipment, net98,879 101,221 
Operating lease right-of-use assetsOperating lease right-of-use assets45,339 44,120 Operating lease right-of-use assets43,748 44,120 
Finance lease right-of-use assetsFinance lease right-of-use assets2,167 — 
Intangible assets, netIntangible assets, net25,346 28,192 Intangible assets, net22,501 28,192 
GoodwillGoodwill165,420 165,420 Goodwill165,420 165,420 
Marketable investmentsMarketable investments13,498 885 Marketable investments85,110 885 
Other assetsOther assets15,240 11,057 Other assets17,329 11,057 
Deferred contract acquisition costs, net — less current portionDeferred contract acquisition costs, net — less current portion119,799 114,880 Deferred contract acquisition costs, net — less current portion126,555 114,880 
Total assetsTotal assets$1,286,108 $1,244,485 Total assets$1,402,944 $1,244,485 
LIABILITIES AND STOCKHOLDERS’ EQUITYLIABILITIES AND STOCKHOLDERS’ EQUITYLIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:Current liabilities:Current liabilities:
Accounts payableAccounts payable$22,461 $23,629 Accounts payable$23,286 $23,629 
Accrued and other current liabilitiesAccrued and other current liabilities62,196 53,092 Accrued and other current liabilities58,860 53,092 
Operating lease liabilitiesOperating lease liabilities11,739 10,626 Operating lease liabilities11,931 10,626 
Finance lease liabilitiesFinance lease liabilities704 — 
Accrued federal feesAccrued federal fees3,360 2,471 Accrued federal fees3,384 2,471 
Sales tax liabilitiesSales tax liabilities2,209 2,973 Sales tax liabilities2,547 2,973 
Deferred revenueDeferred revenue58,082 57,816 Deferred revenue57,539 57,816 
Convertible senior notesConvertible senior notes169 169 Convertible senior notes— 169 
Total current liabilitiesTotal current liabilities160,216 150,776 Total current liabilities158,251 150,776 
Convertible senior notes — less current portionConvertible senior notes — less current portion739,284 738,376 Convertible senior notes — less current portion740,215 738,376 
Sales tax liabilities — less current portionSales tax liabilities — less current portion906 899 Sales tax liabilities — less current portion912 899 
Operating lease liabilities — less current portionOperating lease liabilities — less current portion41,703 41,389 Operating lease liabilities — less current portion39,973 41,389 
Finance lease liabilities — less current portionFinance lease liabilities — less current portion1,463 — 
Other long-term liabilitiesOther long-term liabilities4,913 3,080 Other long-term liabilities3,331 3,080 
Total liabilitiesTotal liabilities947,022 934,520 Total liabilities944,145 934,520 
Commitments and contingencies (Note 10)Commitments and contingencies (Note 10)Commitments and contingencies (Note 10)
Stockholders’ equity:Stockholders’ equity:Stockholders’ equity:
Common stockCommon stock72 71 Common stock72 71 
Additional paid-in capitalAdditional paid-in capital690,309 635,668 Additional paid-in capital832,197 635,668 
Accumulated other comprehensive lossAccumulated other comprehensive loss(961)(2,688)Accumulated other comprehensive loss(1,397)(2,688)
Accumulated deficitAccumulated deficit(350,334)(323,086)Accumulated deficit(372,073)(323,086)
Total stockholders’ equityTotal stockholders’ equity339,086 309,965 Total stockholders’ equity458,799 309,965 
Total liabilities and stockholders’ equityTotal liabilities and stockholders’ equity$1,286,108 $1,244,485 Total liabilities and stockholders’ equity$1,402,944 $1,244,485 
See accompanying notes to the unaudited condensed consolidated financial statements.
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FIVE9, INC.
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
AND COMPREHENSIVE LOSS
(Unaudited, in thousands, except per share data)
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
RevenueRevenue$218,439 $182,777 Revenue$222,882 $189,382 $441,321 $372,159 
Cost of revenueCost of revenue104,756 88,867 Cost of revenue104,361 88,229 209,117 177,096 
Gross profitGross profit113,683 93,910 Gross profit118,521 101,153 232,204 195,063 
Operating expenses:Operating expenses:Operating expenses:
Research and developmentResearch and development38,108 35,824 Research and development39,210 34,992 77,318 70,816 
Sales and marketingSales and marketing76,314 64,611 Sales and marketing74,077 64,098 150,391 128,709 
General and administrativeGeneral and administrative28,258 24,314 General and administrative30,477 23,824 58,735 48,138 
Total operating expensesTotal operating expenses142,680 124,749 Total operating expenses143,764 122,914 286,444 247,663 
Loss from operationsLoss from operations(28,997)(30,839)Loss from operations(25,243)(21,761)(54,240)(52,600)
Other (expense) income, net:Other (expense) income, net:Other (expense) income, net:
Interest expenseInterest expense(1,845)(1,870)Interest expense(1,866)(1,857)(3,711)(3,727)
Interest income and otherInterest income and other4,121 845 Interest income and other6,123 280 10,244 1,125 
Total other income (expense), netTotal other income (expense), net2,276 (1,025)Total other income (expense), net4,257 (1,577)6,533 (2,602)
Loss before income taxesLoss before income taxes(26,721)(31,864)Loss before income taxes(20,986)(23,338)(47,707)(55,202)
Provision for income taxesProvision for income taxes527 2,256 Provision for income taxes753 332 1,280 2,588 
Net lossNet loss$(27,248)$(34,120)Net loss$(21,739)$(23,670)$(48,987)$(57,790)
Net loss per share:Net loss per share:Net loss per share:
Basic and dilutedBasic and diluted$(0.38)$(0.49)Basic and diluted$(0.30)$(0.34)$(0.69)$(0.83)
Shares used in computing net loss per share:Shares used in computing net loss per share:Shares used in computing net loss per share:
Basic and dilutedBasic and diluted71,259 68,974 Basic and diluted71,627 69,748 71,444 69,363 
Comprehensive Loss:Comprehensive Loss:Comprehensive Loss:
Net lossNet loss$(27,248)$(34,120)Net loss$(21,739)$(23,670)$(48,987)$(57,790)
Other comprehensive income (loss)1,727 (3,083)
Other comprehensive (loss) incomeOther comprehensive (loss) income(436)(1,164)1,291 (4,247)
Comprehensive lossComprehensive loss$(25,521)$(37,203)Comprehensive loss$(22,175)$(24,834)$(47,696)$(62,037)
See accompanying notes to the unaudited condensed consolidated financial statements.
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FIVE9, INC.
CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS’ EQUITY
(Unaudited, in thousands)
Common StockAdditional Paid-In CapitalAccumulated
Other Comprehensive Income (Loss)
Accumulated
Deficit
Total Stockholders’ EquityCommon StockAdditional Paid-In CapitalAccumulated
Other Comprehensive Income (Loss)
Accumulated
Deficit
Total Stockholders’ Equity
SharesAmountSharesAccumulated
Deficit
Total Stockholders’ Equity
Balance as of December 30, 202168,488 $68 $439,787 $(287)$(228,436)$211,132 
Balance as of March 31, 2022Balance as of March 31, 202269,521 $70 $480,215 $(3,370)$(262,556)$214,359 
Issuance of common stock upon partial conversion of the 2023 convertible senior notesIssuance of common stock upon partial conversion of the 2023 convertible senior notes540 — (244)— — (244)Issuance of common stock upon partial conversion of the 2023 convertible senior notes34 — (15)— — (15)
Partial unwind of capped calls and retirement of common stock related to the 2023 convertible senior notesPartial unwind of capped calls and retirement of common stock related to the 2023 convertible senior notes(111)— — — Partial unwind of capped calls and retirement of common stock related to the 2023 convertible senior notes(8)— — — 
Issuance of common stock upon exercise of stock optionsIssuance of common stock upon exercise of stock options281 1,276 — — 1,277 Issuance of common stock upon exercise of stock options70 — 1,728 — — 1,728 
Issuance of common stock upon vesting of restricted stock unitsIssuance of common stock upon vesting of restricted stock units323 — — — Issuance of common stock upon vesting of restricted stock units376 — (2)— — (2)
Issuance of common stock under ESPPIssuance of common stock under ESPP97 — 8,338 — — 8,338 
Stock-based compensationStock-based compensation— — 39,394 — — 39,394 Stock-based compensation— — 45,327 — — 45,327 
Other comprehensive lossOther comprehensive loss— — — (3,083)— (3,083)Other comprehensive loss— — — (1,164)— (1,164)
Net lossNet loss— — — — (34,120)(34,120)Net loss— — — — (23,670)(23,670)
Balance as of March 31, 202269,521 $70 $480,215 $(3,370)$(262,556)$214,359 
Balance as of June 30, 2022Balance as of June 30, 202270,090 $70 $535,592 $(4,534)$(286,226)$244,902 
Balance as of December 31, 202271,047 $71 $635,668 $(2,688)$(323,086)$309,965 
Balance as of March 31, 2023Balance as of March 31, 202371,544 $72 $690,309 $(961)$(350,334)$339,086 
Issuance of common stock upon partial conversion of the 2023 convertible senior notesIssuance of common stock upon partial conversion of the 2023 convertible senior notes— — — — — 
Settlement at maturity of the outstanding capped calls and retirement of common stock related to the 2023 convertible senior notesSettlement at maturity of the outstanding capped calls and retirement of common stock related to the 2023 convertible senior notes(371)— 74,453 — — 74,453 
Issuance of common stock upon exercise of stock optionsIssuance of common stock upon exercise of stock options139 — 3,125 — — 3,125 Issuance of common stock upon exercise of stock options240 — 3,856 — — 3,856 
Issuance of common stock upon vesting of restricted stock unitsIssuance of common stock upon vesting of restricted stock units358 — — — Issuance of common stock upon vesting of restricted stock units561 — (1)— — (1)
Issuance of common stock under ESPPIssuance of common stock under ESPP204 — 9,444 — — 9,444 
Stock-based compensationStock-based compensation— — 51,516 — — 51,516 Stock-based compensation— — 54,136 — — 54,136 
Other comprehensive income— — — 1,727 — 1,727 
Other comprehensive lossOther comprehensive loss— — — (436)— (436)
Net lossNet loss— — — — (27,248)(27,248)Net loss— — — — (21,739)(21,739)
Balance as of March 31, 202371,544 $72 $690,309 $(961)$(350,334)$339,086 
Balance as of June 30, 2023Balance as of June 30, 202372,180 $72 $832,197 $(1,397)$(372,073)$458,799 


See accompanying notes to the unaudited condensed consolidated financial statements.
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FIVE9, INC.
CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS’ EQUITY
(Unaudited, in thousands)
Common StockAdditional Paid-In CapitalAccumulated
Other Comprehensive Income (Loss)
Accumulated
Deficit
Total Stockholders’ Equity
SharesAmount
Balance as of December 31, 202168,488 $68 $439,787 $(287)$(228,436)$211,132 
Issuance of common stock upon partial conversion of the 2023 convertible senior notes574 — (259)— — (259)
Partial unwind of capped calls and retirement of common stock related to the 2023 convertible senior notes(119)— — — 
Issuance of common stock upon exercise of stock options351 3,004 — — 3,005 
Issuance of common stock upon vesting of restricted stock units699 (1)— — — 
Issuance of common stock under ESPP97 — 8,338 — — 8,338 
Stock-based compensation— — 84,720 — — 84,720 
Other comprehensive loss— — — (4,247)— (4,247)
Net loss— — — — (57,790)(57,790)
Balance as of June 30, 202270,090 $70 $535,592 $(4,534)$(286,226)$244,902 
Balance as of December 31, 202271,047 $71 $635,668 $(2,688)$(323,086)$309,965 
Issuance of common stock upon partial conversion of the 2023 convertible senior notes— — — — — 
Settlement at maturity of the outstanding capped calls and retirement of common stock related to the 2023 convertible senior notes(371)— 74,453 — — 74,453 
Issuance of common stock upon exercise of stock options379 — 6,981 — — 6,981 
Issuance of common stock upon vesting of restricted stock units919 (1)— — — 
Issuance of common stock under ESPP204 — 9,444 — — 9,444 
Stock-based compensation— — 105,652 — — 105,652 
Other comprehensive income— — — 1,291 — 1,291 
Net loss— — — — (48,987)(48,987)
Balance as of June 30, 202372,180 $72 $832,197 $(1,397)$(372,073)$458,799 


See accompanying notes to the unaudited condensed consolidated financial statements.
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FIVE9, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(Unaudited, in thousands)
Three Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022
Cash flows from operating activities:Cash flows from operating activities:Cash flows from operating activities:
Net lossNet loss$(27,248)$(34,120)Net loss$(48,987)$(57,790)
Adjustments to reconcile net loss to net cash provided by operating activities:Adjustments to reconcile net loss to net cash provided by operating activities:Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortizationDepreciation and amortization11,347 10,795 Depreciation and amortization23,071 22,435 
Amortization of operating lease right-of-use assetsAmortization of operating lease right-of-use assets2,934 2,403 Amortization of operating lease right-of-use assets5,838 4,942 
Amortization of deferred contract acquisition costsAmortization of deferred contract acquisition costs12,423 8,678 Amortization of deferred contract acquisition costs25,710 18,653 
(Accretion of discount) amortization of premium on marketable investments(Accretion of discount) amortization of premium on marketable investments(1,863)700 (Accretion of discount) amortization of premium on marketable investments(4,315)1,114 
Provision for credit lossesProvision for credit losses317 222 Provision for credit losses528 505 
Stock-based compensationStock-based compensation50,743 39,394 Stock-based compensation104,110 84,179 
Amortization of discount and issuance costs on convertible senior notesAmortization of discount and issuance costs on convertible senior notes908 930 Amortization of discount and issuance costs on convertible senior notes1,839 1,852 
Deferred taxesDeferred taxes59 1,889 Deferred taxes250 2,054 
Change in fair of value of contingent considerationChange in fair of value of contingent consideration— 260 
Payment of contingent consideration liability in excess of acquisition-date fair valuePayment of contingent consideration liability in excess of acquisition-date fair value— (5,900)
OtherOther439 470 Other622 172 
Changes in operating assets and liabilities:Changes in operating assets and liabilities:Changes in operating assets and liabilities:
Accounts receivableAccounts receivable(908)5,566 Accounts receivable(1,494)310 
Prepaid expenses and other current assetsPrepaid expenses and other current assets(2,307)(2,162)Prepaid expenses and other current assets(8,764)(8,092)
Deferred contract acquisition costsDeferred contract acquisition costs(20,665)(20,160)Deferred contract acquisition costs(44,606)(42,854)
Other assetsOther assets(4,231)234 Other assets(5,344)(92)
Accounts payableAccounts payable1,557 11,133 Accounts payable2,316 4,487 
Accrued and other current liabilitiesAccrued and other current liabilities7,599 2,096 Accrued and other current liabilities3,966 (4,107)
Accrued federal fees and sales tax liabilitiesAccrued federal fees and sales tax liabilities133 (1,239)Accrued federal fees and sales tax liabilities500 (2,677)
Deferred revenueDeferred revenue181 2,659 Deferred revenue(680)7,571 
Other liabilitiesOther liabilities1,994 (764)Other liabilities704 (1,423)
Net cash provided by operating activitiesNet cash provided by operating activities33,412 28,724 Net cash provided by operating activities55,264 25,599 
Cash flows from investing activities:Cash flows from investing activities:Cash flows from investing activities:
Purchases of marketable investmentsPurchases of marketable investments(140,892)(105,277)Purchases of marketable investments(337,595)(151,712)
Proceeds from sales of marketable investmentsProceeds from sales of marketable investments— 600 Proceeds from sales of marketable investments245 600 
Proceeds from maturities of marketable investmentsProceeds from maturities of marketable investments76,940 130,821 Proceeds from maturities of marketable investments227,836 214,585 
Purchases of property and equipmentPurchases of property and equipment(9,928)(12,398)Purchases of property and equipment(16,642)(34,474)
Capitalization of software development costsCapitalization of software development costs(1,806)(569)Capitalization of software development costs(3,565)(1,392)
Cash paid for an equity investment in a privately-held companyCash paid for an equity investment in a privately-held company— (2,000)Cash paid for an equity investment in a privately-held company— (2,000)
Net cash (used in) provided by investing activitiesNet cash (used in) provided by investing activities(75,686)11,177 Net cash (used in) provided by investing activities(129,721)25,607 
Cash flows from financing activities:Cash flows from financing activities:Cash flows from financing activities:
Repayment of outstanding 2023 convertible senior notes at maturityRepayment of outstanding 2023 convertible senior notes at maturity(169)— 
Cash received from the settlement at maturity of the outstanding capped calls associated with the 2023 convertible senior notesCash received from the settlement at maturity of the outstanding capped calls associated with the 2023 convertible senior notes74,453 — 
Repurchase of a portion of 2023 convertible senior notes, net of costsRepurchase of a portion of 2023 convertible senior notes, net of costs— (31,905)Repurchase of a portion of 2023 convertible senior notes, net of costs— (34,034)
Proceeds from exercise of common stock optionsProceeds from exercise of common stock options3,125 1,277 Proceeds from exercise of common stock options6,981 3,005 
Proceeds from sale of common stock under ESPPProceeds from sale of common stock under ESPP9,444 8,338 
Payment of contingent consideration liability up to acquisition-date fair valuePayment of contingent consideration liability up to acquisition-date fair value— (18,100)
Net cash provided by (used in) financing activitiesNet cash provided by (used in) financing activities3,125 (30,628)Net cash provided by (used in) financing activities90,709 (40,791)
Net (decrease) increase in cash, cash equivalents and restricted cash(39,149)9,273 
Net increase in cash, cash equivalents and restricted cashNet increase in cash, cash equivalents and restricted cash16,252 10,415 
Cash, cash equivalents and restricted cash:Cash, cash equivalents and restricted cash:Cash, cash equivalents and restricted cash:
Beginning of periodBeginning of period180,987 90,878 Beginning of period180,987 91,391 
End of periodEnd of period$141,838 $100,151 End of period$197,239 $101,806 
Supplemental disclosures of cash flow data:Supplemental disclosures of cash flow data:Supplemental disclosures of cash flow data:
Cash paid for interestCash paid for interest$$— Cash paid for interest$1,872 $1,870 
Cash paid for income taxesCash paid for income taxes$32 $337 Cash paid for income taxes$812 $647 
Non-cash investing and financing activities:Non-cash investing and financing activities:Non-cash investing and financing activities:
Equipment and software purchased and unpaid at period-endEquipment and software purchased and unpaid at period-end$8,310 $22,365 Equipment and software purchased and unpaid at period-end$5,849 $16,141 
Capitalization of leasehold improvements and furniture and fixtures through non-cash lease incentiveCapitalization of leasehold improvements and furniture and fixtures through non-cash lease incentive$— $109 
Stock-based compensation included in capitalized software development costsStock-based compensation included in capitalized software development costs$1,542 $541 
Stock-based compensation included in capitalized software development costs$773 $— 
Reconciliation of Cash, Cash Equivalents and Restricted Cash to the Condensed Consolidated Balance Sheets - Beginning of Period:Reconciliation of Cash, Cash Equivalents and Restricted Cash to the Condensed Consolidated Balance Sheets - Beginning of Period:Reconciliation of Cash, Cash Equivalents and Restricted Cash to the Condensed Consolidated Balance Sheets - Beginning of Period:
Cash and cash equivalentsCash and cash equivalents$180,520 $90,878 Cash and cash equivalents$180,520 $90,878 
Restricted cash in other assetsRestricted cash in other assets467 — Restricted cash in other assets467 513 
Total cash, cash equivalents and restricted cashTotal cash, cash equivalents and restricted cash$180,987 $90,878 Total cash, cash equivalents and restricted cash$180,987 $91,391 
Reconciliation of Cash, Cash Equivalents and Restricted Cash to the Condensed Consolidated Balance Sheets - End of Period:Reconciliation of Cash, Cash Equivalents and Restricted Cash to the Condensed Consolidated Balance Sheets - End of Period:Reconciliation of Cash, Cash Equivalents and Restricted Cash to the Condensed Consolidated Balance Sheets - End of Period:
Cash and cash equivalentsCash and cash equivalents$141,359 $100,151 Cash and cash equivalents$195,592 $101,315 
Restricted cash in other assetsRestricted cash in other assets479 — Restricted cash in other assets1,647 491 
Total cash, cash equivalents and restricted cashTotal cash, cash equivalents and restricted cash$141,838 $100,151 Total cash, cash equivalents and restricted cash$197,239 $101,806 
See accompanying notes to the unaudited condensed consolidated financial statements.
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FIVE9, INC.
Notes to Condensed Consolidated Financial Statements (Unaudited)
1. Description of Business and Summary of Significant Accounting Policies
Five9, Inc. and its wholly-owned subsidiaries (the “Company”) is a provider of cloud software for contact centers. The Company was incorporated in Delaware in 2001 and is headquartered in San Ramon, California. The Company has offices in Europe, Asia and Australia, which primarily provide research, development, sales, marketing, and client support services.
Basis of Presentation
The accompanying condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) and applicable rules and regulations of the Securities and Exchange Commission (“SEC”) regarding interim financial reporting. Certain information and note disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. Therefore, these condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022. In the opinion of management, the condensed consolidated financial statements reflect all adjustments, which are normal and recurring in nature, necessary for fair financial statement presentation. All intercompany transactions and balances have been eliminated in consolidation.
The condensed consolidated statement of cash flows for the six months ended June 30, 2022 included in this Quarterly Report differs from the condensed consolidated statement of cash flows for the six months ended June 30, 2022 included in the Form 10-Q for the six months ended June 30, 2022 due to the changes in restricted cash, which was previously presented within operating activities and is now included within the beginning and ending cash, cash equivalents and restricted cash balances.
Use of Estimates
The preparation of condensed consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. The significant estimates made by management affect revenue and related reserves, as well as the fair value of liabilities assumed through business combinations.reserves. Management periodically evaluates such estimates and they are adjusted prospectively based upon such periodic evaluation. Actual results could differ from those estimates.
Significant Accounting Policies
There have been no material changes from the significant accounting policies previously disclosed in Part II, Item 8, of the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2022 as filed with the SEC on February 24, 2023.
Recent Accounting Pronouncements Not Yet Effective
The Company has reviewed or is in the process of evaluating all issued, but not yet effective, accounting pronouncements and does not believe the future adoption of any such accounting pronouncements will cause a material impact on its condensed consolidated financial position, operating results or statements of cash flows.
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2. Revenue
Contract Balances
The following table provides information about accounts receivable, net, deferred contract acquisition costs, net, contract assets and contract liabilities from contracts with customers (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Accounts receivable, netAccounts receivable, net$88,085 $87,494 Accounts receivable, net$88,461 $87,494 
Deferred contract acquisition costs, net:Deferred contract acquisition costs, net:Deferred contract acquisition costs, net:
CurrentCurrent$50,566 $47,242 Current$54,462 $47,242 
Non-currentNon-current119,799 114,880 Non-current126,555 114,880 
Total deferred contract acquisition costs, netTotal deferred contract acquisition costs, net$170,365 $162,122 Total deferred contract acquisition costs, net$181,017 $162,122 
Contract assets and contract liabilities:Contract assets and contract liabilities:Contract assets and contract liabilities:
Contract assets (included in prepaid expenses and other current assets)Contract assets (included in prepaid expenses and other current assets)$3,209 $3,401 Contract assets (included in prepaid expenses and other current assets)$2,875 $3,401 
Contract liabilities (deferred revenue)Contract liabilities (deferred revenue)(58,082)(57,816)Contract liabilities (deferred revenue)(57,539)(57,816)
Noncurrent contract liabilities (deferred revenue) (included in other long-term liabilities)Noncurrent contract liabilities (deferred revenue) (included in other long-term liabilities)(1,093)(1,178)Noncurrent contract liabilities (deferred revenue) (included in other long-term liabilities)(775)(1,178)
Net contract liabilitiesNet contract liabilities$(55,966)$(55,593)Net contract liabilities$(55,439)$(55,593)
The Company receives payments from customers based upon billing cycles. Invoice payment terms are usually 30 days or less. Accounts receivable are recorded when the right to consideration becomes unconditional.
Deferred contract acquisition costs are recorded when incurred and are amortized over an estimated customer benefit period of five years.
The Company’s contract assets consist of unbilled amounts typically resulting from professional services revenue recognition when it exceeds the total amounts billed to the customer. The Company’s contract liabilities consist of advance payments and billings in excess of revenue recognized.
In the three and six months ended March 31,June 30, 2023, the Company recognized revenue of $31.4$10.1 million and $41.6 million, respectively, related to its contract liabilities at December 31, 2022.
Remaining Performance Obligations
As of March 31,June 30, 2023, the aggregate amount of the total transaction price allocated in contracts with original duration of greater than one year to the remaining performance obligations was $918.3$1,042.2 million. The Company expects to recognize revenue on approximately three-fifthsthree-fourths of the remaining performance obligations over the next 24 months, with the balance recognized thereafter. The Company excludes amounts for remaining performance obligations that are part of contracts with an original expected duration of one year or less. Such remaining performance obligations represent unsatisfied or partially unsatisfied performance obligations.
3. Investments and Fair Value Measurements
Marketable Investments
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The Company’s marketable investments have been classified and accounted for as available-for-sale. The Company’s marketable investments as of March 31,June 30, 2023 and December 31, 2022 were as follows (in thousands):
March 31, 2023June 30, 2023
Short-Term Marketable InvestmentsShort-Term Marketable InvestmentsCostGross Unrealized GainsGross Unrealized LossesFair ValueShort-Term Marketable InvestmentsCostGross Unrealized GainsGross Unrealized LossesFair Value
Certificates of depositCertificates of deposit$2,201 $— $(8)$2,193 Certificates of deposit$2,205 $— $(2)$2,203 
U.S. treasury169,888 35 (668)169,255 
U.S. treasury securitiesU.S. treasury securities169,199 17 (343)168,873 
U.S. agency securitiesU.S. agency securities267,338 50 (1,019)266,369 U.S. agency securities246,153 (811)245,346 
Commercial paperCommercial paper35,327 (39)35,289 Commercial paper35,624 (23)35,602 
Municipal bondsMunicipal bonds12,719 — (97)12,622 Municipal bonds10,861 — (29)10,832 
Corporate bondsCorporate bonds2,663 — (10)2,653 Corporate bonds1,389 — (1)1,388 
TotalTotal$490,136 $86 $(1,841)$488,381 Total$465,431 $22 $(1,209)$464,244 
March 31, 2023June 30, 2023
Long-term Marketable InvestmentsLong-term Marketable InvestmentsCostGross Unrealized GainsGross Unrealized LossesFair ValueLong-term Marketable InvestmentsCostGross Unrealized GainsGross Unrealized LossesFair Value
U.S. treasury securitiesU.S. treasury securities$57,122 $— $(836)$56,286 
U.S. agency securitiesU.S. agency securities$11,478 $14 $(1)$11,491 U.S. agency securities21,569 — (179)21,390 
Corporate bondsCorporate bonds2,013 — (6)2,007 Corporate bonds7,524 — (90)7,434 
TotalTotal$13,491 $14 $(7)$13,498 Total$86,215 $— $(1,105)$85,110 
December 31, 2022
Short-Term Marketable InvestmentsCostGross Unrealized GainsGross Unrealized LossesFair Value
Certificates of deposit$747 $— $(13)$734 
U.S. treasury securities186,776 (1,382)185,402 
U.S. agency and government-sponsored securities197,597 29 (1,660)195,966 
Commercial paper25,386 — — 25,386 
Municipal bonds22,764 — (145)22,619 
Corporate bonds3,658 — (22)3,636 
Total$436,928 $37 $(3,222)$433,743 
December 31, 2022
Long-term Marketable InvestmentsCostGross Unrealized GainsGross Unrealized LossesFair Value
U.S. agency securities$885 $— $— $885 
Total$885 $— $— $885 
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The following table presents the gross unrealized losses and the fair value for those marketable investments that were in an unrealized loss position for less than 12 months as of March 31,June 30, 2023 and December 31, 2022 (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Gross Unrealized LossesFair ValueGross Unrealized LossesFair ValueGross Unrealized LossesFair ValueGross Unrealized LossesFair Value
Certificates of depositCertificates of deposit$(8)$490 $(13)$734 Certificates of deposit$(2)$496 $(13)$734 
U.S. treasury securitiesU.S. treasury securities(668)90,248 (1,382)126,534 U.S. treasury securities(1,179)153,087 (1,382)126,534 
U.S. agency securitiesU.S. agency securities(1,020)203,987 (1,660)172,458 U.S. agency securities(990)255,208 (1,660)172,458 
Commercial paperCommercial paper(39)28,874 — — Commercial paper(23)30,682 — — 
Municipal bondsMunicipal bonds(97)12,622 (145)12,623 Municipal bonds(29)8,362 (145)12,623 
Corporate bondsCorporate bonds(16)4,660 (22)3,636 Corporate bonds(91)8,822 (22)3,636 
TotalTotal$(1,848)$340,881 $(3,222)$315,985 Total$(2,314)$456,657 $(3,222)$315,985 
Although the Company had certain available-for-sale debt securities in an unrealized loss position as of March 31,June 30, 2023, no impairment loss was recorded since it did not intend to sell them, did not anticipate a need to sell them, and the decline in fair value was not due to any credit-related factors.

Fair Value Measurements
The Company carries cash equivalents and marketable investments at fair value. Fair value is based on the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is estimated by applying the following hierarchy, which prioritizes the inputs used to measure fair value into three levels and bases the categorization within the hierarchy upon the lowest level of input that is available and significant to the fair value measurement:
Level 1 — Observable inputs, which include unadjusted quoted prices in active markets for identical assets or liabilities.
Level 2 — Observable inputs other than Level 1 inputs, such as quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.
Level 3 — Unobservable inputs that are supported by little or no market activity and that are based on management’s assumptions, including fair value measurements determined by using pricing models, discounted cash flow methodologies or similar techniques.
The Company determined the fair value of its Level 1 financial instruments, which are traded in active markets, using quoted market prices for identical instruments.
Marketable investments classified within Level 2 of the fair value hierarchy are valued based on other observable inputs, including broker or dealer quotations or alternative pricing sources. When quoted prices in active markets for identical assets or liabilities are not available, the Company relies on non-binding quotes from its investment managers, which are based on proprietary valuation models of independent pricing services. These models generally use inputs such as observable market data, quoted market prices for similar instruments, historical pricing trends of a security as relative to its peers. To validate the fair value determination provided by its investment managers, the Company reviews the pricing movement in the context of overall market trends and trading information from its investment managers. The Company performs routine procedures such as comparing prices obtained from independent source to ensure that appropriate fair values are recorded.
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The following tables set forth the Company’s assets measured at fair value by level within the fair value hierarchy (in thousands):
March 31, 2023June 30, 2023
Level 1Level 2Level 3TotalLevel 1Level 2Level 3Total
AssetsAssetsAssets
Cash equivalentsCash equivalentsCash equivalents
Money market fundsMoney market funds$17,296 $— $— $17,296 Money market funds$90,698 $— $— $90,698 
U.S. treasury securitiesU.S. treasury securities11,926 — — 11,926 
U.S. agency securities and government sponsored securitiesU.S. agency securities and government sponsored securities— 14,988 — 14,988 
Total cash equivalentsTotal cash equivalents$17,296 $— $— $17,296 Total cash equivalents$102,624 $14,988 $— $117,612 
Marketable investments (short and long term)Marketable investments (short and long term)Marketable investments (short and long term)
Certificates of depositCertificates of deposit$— $2,193 $— $2,193 Certificates of deposit$— $2,203 $— $2,203 
U.S. treasury169,255 — — 169,255 
U.S. treasury securitiesU.S. treasury securities225,159 — — 225,159 
U.S. agency securities and government sponsored securitiesU.S. agency securities and government sponsored securities— 277,860 — 277,860 U.S. agency securities and government sponsored securities— 266,736 — 266,736 
Commercial paperCommercial paper— 35,289 — 35,289 Commercial paper— 35,602 — 35,602 
Municipal bondsMunicipal bonds— 12,622 — 12,622 Municipal bonds— 10,832 — 10,832 
Corporate bondsCorporate bonds— 4,660 — 4,660 Corporate bonds— 8,822 — 8,822 
Total marketable investmentsTotal marketable investments$169,255 $332,624 $— $501,879 Total marketable investments$225,159 $324,195 $— $549,354 
December 31, 2022
Level 1Level 2Level 3Total
Assets
Cash equivalents
Money market funds$37,560 $— $— $37,560 
U.S. treasury securities19,700 — — 19,700 
Total cash equivalents$57,260 $— $— $57,260 
Marketable investments (short and long-term)
Certificates of deposit$— $734 $— $734 
U.S. treasury securities185,402 — — 185,402 
U.S. agency and government-sponsored securities— 196,851 — 196,851 
Commercial paper— 25,386 — 25,386 
Municipal bonds— 22,619 — 22,619 
Corporate bonds— 3,636 — 3,636 
Total marketable investments$185,402 $249,226 $— $434,628 
As of March 31, 2023 and December 31, 2022, the estimated fair value of the Company’s outstanding 2023 convertible senior notes was $0.3 million for each of the periods.million. The 2023 convertible senior notes matured on May 1, 2023. As of March 31,June 30, 2023 and December 31, 2022, the estimated fair value of the Company's outstanding 2025 convertible senior notes was $700.7$723.0 million and $687.1 million, respectively. The fair values were determined based on the quoted price of the convertible senior notes in an inactive market on the last trading day of the reporting period and have been classified as Level 2 in the fair value hierarchy. See Note 6 for further information on the Company’s convertible senior notes.
In February 2022, the Company made a $2.0 million equity investment in a privately-held company that it does not have the ability to exercise significant influence over. The Company elected the measurement alternative for an equity security without a readily determinable fair value. Accordingly, this investment will beis accounted for at its cost minus impairment, if any, and is classified within Level 3. If the Company identifies observable price changes
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changes in orderly transactions for such investment or a similar investment, it will measure the investment at fair value as of the date that the observable transactions or events occurred.
Except for the $2.0 million equity investment described above, there were no assets or liabilities measured at fair value on a non-recurring basis as of March 31,June 30, 2023 and December 31, 2022.
The fair value of the Company’s other financial instruments, including accounts receivable, accounts payable and other current liabilities, approximate their carrying value due to the relatively short maturity of those instruments. The carrying amounts of the Company’s operating and finance leases approximate their fair value, which is the present value of expected future cash payments based on assumptions about current interest rates and the creditworthiness of the Company.
4. Financial Statement Components
Cash and cash equivalents consisted of the following (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
CashCash$124,063 $123,260 Cash$77,980 $123,260 
Money market fundsMoney market funds17,296 37,560 Money market funds90,698 37,560 
U.S. treasury— 19,700 
U.S. treasury securitiesU.S. treasury securities11,926 19,700 
U.S. agency securitiesU.S. agency securities14,988 — 
Total cash and cash equivalentsTotal cash and cash equivalents$141,359 $180,520 Total cash and cash equivalents$195,592 $180,520 
Accounts receivable, net consisted of the following (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Trade accounts receivableTrade accounts receivable$77,712 $77,621 Trade accounts receivable$79,481 $77,621 
Unbilled trade accounts receivable, net of advance client depositsUnbilled trade accounts receivable, net of advance client deposits10,614 10,135 Unbilled trade accounts receivable, net of advance client deposits9,224 10,135 
Allowance for credit losses
Allowance for credit losses
(241)(262)
Allowance for credit losses
(244)(262)
Accounts receivable, netAccounts receivable, net$88,085 $87,494 Accounts receivable, net$88,461 $87,494 
Prepaid expenses and other current assets consisted of the following (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Prepaid expensesPrepaid expenses$22,149 $17,151 Prepaid expenses$27,844 $17,151 
Other current assetsOther current assets6,660 9,159 Other current assets7,757 9,159 
Contract assetsContract assets3,209 3,401 Contract assets2,875 3,401 
Prepaid expenses and other current assetsPrepaid expenses and other current assets$32,018 $29,711 Prepaid expenses and other current assets$38,476 $29,711 
Property and equipment, net consisted of the following (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Computer and network equipmentComputer and network equipment$142,408 $148,789 Computer and network equipment$145,295 $148,789 
Computer softwareComputer software54,183 50,955 Computer software54,489 50,955 
Internal-use software development costsInternal-use software development costs8,690 6,111 Internal-use software development costs11,218 6,111 
Furniture and fixturesFurniture and fixtures3,990 3,326 Furniture and fixtures4,318 3,326 
Leasehold improvementsLeasehold improvements6,003 6,574 Leasehold improvements6,031 6,574 
Property and equipmentProperty and equipment215,274 215,755 Property and equipment221,351 215,755 
Accumulated depreciation and amortizationAccumulated depreciation and amortization(114,217)(114,534)Accumulated depreciation and amortization(122,472)(114,534)
Property and equipment, netProperty and equipment, net$101,057 $101,221 Property and equipment, net$98,879 $101,221 
Depreciation and amortization expense associated with property and equipment was $8.5$8.9 million and $7.8$17.4 million for the three and six months ended March 31,June 30, 2023, respectively. Depreciation and amortization expense associated with property and equipment was $8.7 million and $16.6 million for the three and six months ended June 30, 2022, respectively.
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Property and equipment capitalized under finance lease obligations consists primarily of computer and network equipment and was immaterial as of March 31,June 30, 2023 and December 31, 2022.
Other assets consisted of the following (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Other assetsOther assets$9,275 $5,081 Other assets$11,531 $5,081 
Equity investment in a privately-held companyEquity investment in a privately-held company2,000 2,000 Equity investment in a privately-held company2,000 2,000 
Deferred tax assetsDeferred tax assets3,965 3,976 Deferred tax assets3,798 3,976 
TotalTotal$15,240 $11,057 Total$17,329 $11,057 
Accrued and other current liabilities consisted of the following (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Accrued expensesAccrued expenses$21,964 $19,343 Accrued expenses$18,853 $19,343 
Accrued compensation and benefitsAccrued compensation and benefits40,232 33,749 Accrued compensation and benefits40,007 33,749 
Accrued and other current liabilitiesAccrued and other current liabilities$62,196 $53,092 Accrued and other current liabilities$58,860 $53,092 
Other long-term liabilities consisted of the following (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Deferred revenueDeferred revenue$1,093 $1,178 Deferred revenue$775 $1,178 
Deferred tax liabilitiesDeferred tax liabilities206 157 Deferred tax liabilities289 157 
Other long-term liabilitiesOther long-term liabilities3,614 1,745 Other long-term liabilities2,267 1,745 
Other long-term liabilitiesOther long-term liabilities$4,913 $3,080 Other long-term liabilities$3,331 $3,080 

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5. Goodwill and Intangible Assets
Goodwill
There was no activity in the Company's goodwill balance during the three and six months ended March 31,June 30, 2023.
Intangible Assets
The following table summarizes the activity in the Company's intangible assets balance during the three and six months ended March 31,June 30, 2023 (in thousands):
Three Months Ended March 31, 2023
Beginning of the period$28,192 
  Amortization(2,846)
End of the period$25,346 
Three Months Ended June 30, 2023Six Months Ended June 30, 2023
Beginning of the period$25,346 $28,192 
  Amortization(2,845)(5,691)
End of the period$22,501 $22,501 
The components of intangible assets were as follows (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountWeighted Average Remaining Amortization period (Years)Gross Carrying AmountAccumulated AmortizationNet Carrying AmountWeighted Average Remaining Amortization period (Years)Gross Carrying AmountAccumulated AmortizationNet Carrying AmountWeighted Average Remaining Amortization period (Years)Gross Carrying AmountAccumulated AmortizationNet Carrying AmountWeighted Average Remaining Amortization period (Years)
Developed technologyDeveloped technology$56,214 $(31,647)$24,567 3.0$56,214 $(28,881)$27,333 3.2Developed technology$56,214 $(34,412)$21,802 2.9$56,214 $(28,881)$27,333 3.2
Acquired workforceAcquired workforce470 (470)— 0.0470 (470)0.0Acquired workforce470 (470)— 0.0470 (470)— 0.0
Customer relationshipsCustomer relationships1,600 (821)779 2.51,600 (741)859 2.7Customer relationships1,600 (901)699 2.31,600 (741)859 2.7
TrademarksTrademarks500 (500)— 0.0500 (500)— 0.0Trademarks500 (500)— 0.0500 (500)— 0.0
TotalTotal$58,784 $(33,438)$25,346 3.0$58,784 $(30,592)$28,192 3.2Total$58,784 $(36,283)$22,501 2.9$58,784 $(30,592)$28,192 3.2
Amortization expense related to intangible assets was $2.8 million and $2.9$5.7 million for the three and six months ended March 31,June 30, 2023, respectively. Amortization expense related to intangible assets was $2.9 million and $5.9 million for the three and six months ended June 30, 2022, respectively.
As of March 31,June 30, 2023, the expected future amortization expense for intangible assets was as follows (in thousands):
PeriodPeriodExpected Future Amortization ExpensePeriodExpected Future Amortization Expense
Remaining 2023Remaining 2023$8,024 Remaining 2023$5,179 
202420247,527 20247,527 
202520255,595 20255,595 
202620264,200 20264,200 
20272027— 2027— 
ThereafterThereafter— Thereafter— 
TotalTotal$25,346 Total$22,501 

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6. Debt
2025 Convertible Senior Notes and Related Capped Call Transactions
In May and June 2020, the Company issued $747.5 million aggregate principal amount of 2025 convertible senior notes in a private offering, which aggregate principal amount included the exercise in full of the initial purchasers’ option to purchase up to an additional $97.5 million principal amount of the 2025 convertible senior
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notes. The 2025 convertible senior notes mature on June 1, 2025 and bear interest at a fixed rate of 0.500% per annum, payable semiannually in arrears on June 1 and December 1 of each year, beginning on December 1, 2020. The total net proceeds from the issuance of the 2025 convertible senior notes, after deducting initial purchasers' discounts and commissions and estimated debt issuance costs, were approximately $728.8 million.
Each $1,000 principal amount of the 2025 convertible senior notes is initially convertible into 7.4437 shares of the Company’s common stock (the “2025 Conversion Option”), which is equivalent to an initial conversion price of approximately $134.34 per share of common stock, subject to adjustment upon the occurrence of specified events. The initial conversion price represents a premium of approximately 30% to the $103.34 per share closing price of the Company’s common stock on The Nasdaq Global Market on May 21, 2020. The 2025 convertible senior notes are convertible, in multiples of $1,000 principal amount, at the option of the holders prior to the close of business on the business day immediately preceding March 1, 2025, only under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on September 30, 2020 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the five business day period after any five consecutive trading day period (the “2025 Measurement Period”) in which the trading price (as defined in the 2025 Indenture governing the 2025 convertible senior notes) per $1,000 principal amount of the 2025 convertible senior notes for each trading day of the 2025 Measurement Period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate in effect on each such trading day; (3) if the Company calls any or all of the 2025 convertible senior notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. On or after March 1, 2025 until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert all or any portion of their 2025 convertible senior notes, in multiples of $1,000 principal amount, at the option of the holder regardless of the foregoing circumstances. 
Upon conversion, the Company will pay or deliver, as the case may be, cash, shares of the Company’s common stock or a combination of cash and shares of the Company’s common stock, at the Company’s election. If the Company undergoes a fundamental change (as defined in the indenture governing the 2025 convertible senior notes), subject to certain conditions, holders may require the Company to repurchase for cash all or any portion of their 2025 convertible senior notes, in principal amounts of $1,000 or a multiple thereof, at a fundamental change repurchase price equal to 100% of the principal amount of the 2025 convertible senior notes to be repurchased, plus accrued and unpaid interest, if any, to, but excluding, the fundamental change repurchase date. In addition, following certain corporate events or if the Company issues a notice of redemption, it will, under certain circumstances, increase the conversion rate for holders who elect to convert their notes in connection with such corporate event or during the relevant redemption period.
There have been no changes to the initial conversion price of the 2025 convertible senior notes since issuance. The closing market price of the Company's common stock of $72.29$82.45 per share on March 31,June 30, 2023, the last trading day during the three months ended March 31,June 30, 2023, was below $174.64 per share, which represents 130% of the initial conversion price of $134.34 per share. Additionally, the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day, March 31,June 30, 2023, was not greater than or equal to 130% of the initial conversion price. As such, during the three months ended March 31,June 30, 2023, the conditions allowing holders of the 2025 convertible senior notes to convert were not met. The 2025 convertible senior notes are therefore not convertible during the three months ending JuneSeptember 30, 2023.
The Company may not redeem the 2025 convertible senior notes prior tobecame redeemable at the Company's option on June 6, 2023. The Company may redeem for cash all or any portion of the 2025 convertible senior notes, at its option, on or after June 6, 2023 and prior to March 1, 2025, if the last reported sale price of its common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period (including the last trading day of such period) ending not more than two trading days immediately preceding the date on which the Company provides notice of redemption at a redemption price equal to 100% of the principal amount of the 2025 convertible senior notes to be redeemed, plus accrued and unpaid interest, if any, to, but excluding, the redemption
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date. No sinking fund is provided for the 2025 convertible senior notes. During the three months ended June 30, 2023, the conditions allowing the Company to redeem for cash all or any portion of the 2025 convertible senior notes were not met.
The 2025 convertible senior notes are the Company’s senior unsecured obligations and rank senior in right of payment to any of the Company’s indebtedness that is expressly subordinated in right of payment to the 2025 convertible senior notes; equal in right of payment to any of the Company’s unsecured indebtedness that is not so subordinated (including the 2023 convertible senior notes);subordinated; effectively junior in right of payment to any of the Company’s secured indebtedness to the extent of the value of the assets securing such indebtedness; and structurally
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junior to all indebtedness and other liabilities (including trade payables) of the Company’s subsidiaries.
The net carrying amount of the 2025 convertible senior notes as of March 31,June 30, 2023 and as of December 31, 2022 was as follows (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
PrincipalPrincipal$747,500 $747,500 Principal$747,500 $747,500 
Unamortized issuance costsUnamortized issuance costs(8,216)(9,124)Unamortized issuance costs(7,285)(9,124)
Net carrying amountNet carrying amount$739,284 $738,376 Net carrying amount$740,215 $738,376 
Interest expense related to the 2025 convertible senior notes was as follows (in thousands):
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Contractual interest expenseContractual interest expense$934 $934 Contractual interest expense$934 $934 $1,868 $1,869 
Amortization of issuance costsAmortization of issuance costs908 899 Amortization of issuance costs931 922 1,839 1,821 
Total interest expenseTotal interest expense$1,842 $1,833 Total interest expense$1,865 $1,856 $3,707 $3,690 
In connection with the issuance of the 2025 convertible senior notes, the Company entered into privately negotiated capped call transactions (the “2025 Capped Call Transactions”) with certain financial institutions. The initial cap price of the 2025 Capped Call Transactions was $206.68 per share and is subject to certain adjustments under the terms of the 2025 Capped Call Transactions. The 2025 Capped Call Transactions cover, subject to anti-dilution adjustments, approximately 5.6 million shares of the Company’s common stock.
2023 Convertible Senior Notes and Related Capped Call Transactions
In May 2018, the Company issued $258.8 million aggregate principal amount of the 2023 convertible senior notes in a private offering. The 2023 convertible senior notes mature on May 1, 2023 and bear interest at a fixed rate of 0.125% per annum, payable semiannually in arrears on May 1 and November 1 of each year. The total net proceeds from the offering, after deducting initial purchasers' discounts and commissions and estimated debt issuance costs, was approximately $250.8 million.
In May 2020, the Company used part of the net proceeds from the issuance of the 2025 convertible senior notes to repurchase, exchange or otherwise retire approximately $181.0 million aggregate principal amount of the 2023 convertible senior notes in privately-negotiated transactions for aggregate consideration of $449.6 million, consisting of $181.0 million in cash and 2,723,581 shares of the Company’s common stock (the "2023 Note Repurchase Transactions").
As of March 31, 2023, after giving effect to the 2023 Note Repurchase Transactions and other settlements upon conversion requests, approximately $0.2 million aggregate principal amount ofThe 2023 convertible senior notes remained outstanding.
Each $1,000 principal amountmatured on May 1, 2023, and were settled in a combination of cash and shares of the Company’s common stock. Prior to maturity, the 2023 convertible senior notes was initiallybore interest at a fixed rate of 0.125% per annum, payable semiannually in arrears on May 1 and November 1 of each year. There were no changes to the 2023 convertible into 24.4978 shares of the Company’s common stock (the “2023 Conversion Option”), which is equivalent to ansenior notes’ initial conversion price of approximately $40.82 per share of common stock subject to adjustment upon the occurrence of specified events. The 2023 convertible senior notes were convertible, in multiples of $1,000 principal amount, at the option of the holders at any time prior to the close of business on the business day immediately preceding November 1, 2022, only under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ended on September 30, 2018 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the five business day period after any five consecutive trading day period (the “2023 Measurement Period”) in which the trading price (as defined in the indenture governing the 2023 convertible senior notes) per $1,000 principal amount of the 2023 convertible senior notes for each trading day of the 2023 Measurement Period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate in effect on each such trading day; (3) if the Company calls any or all of the 2023 convertible senior notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. Commencing on November 1, 2022, and until the close of business on the second scheduled trading day immediately preceding the maturity date, holders
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may convert all or any portion of their 2023 convertible senior notes, in multiples of $1,000 principal amount, at the option of the holder regardless of the foregoing circumstances. 
Upon conversion, the Company will pay or deliver, as the case may be, cash, shares of the Company’s common stock or a combination of cash and shares of the Company’s common stock, at the Company’s election. If the Company undergoes a fundamental change (as defined in the indenture governing the 2023 convertible senior notes), subject to certain conditions, holders may require the Company to repurchase for cash all or any portion of their 2023 convertible senior notes, in principal amounts of $1,000 or a multiple thereof, at a fundamental change repurchase price equal to 100% of the principal amount of the 2023 convertible senior notes to be repurchased, plus accrued and unpaid interest, if any, to, but excluding, the fundamental change repurchase date. In addition, following certain corporate events that occur prior to the maturity date or if the Company issues a notice of redemption, it will, under certain circumstances, increase the conversion rate for holders who elect to convert their 2023 convertible senior notes in connection with such corporate event or during the relevant redemption period.
There have been no changes to the initial conversion price of the 2023 convertible senior notes since issuance. During each of the quarters from the third quarter of 2019 through the third quarter of 2022, one of the triggers for convertibility of the 2023 convertible senior notes was triggered as the last reported sale price of the Company’s common stock was greater than $53.07 per share, which represents 130% of the initial conversion price of $40.82 per share, for at least 20 trading days in the period of 30 consecutive trading days ended on, and including, the last trading day of the quarter for each quarter of 2020 and 2021 and for the first three quarters of 2022. As a result, the 2023 convertible senior notes were convertible, in multiples of $1,000 principal amount, at the option of the 2023 convertible senior note holders between October 1, 2019 to October 31, 2022. The 2023 convertible senior notes continue to be convertible from November 1, 2022 until the close of business on the second scheduled trading day immediately preceding the maturity date. There were no conversions of the 2023 convertible senior notes during the three months ended March 31, 2023. As of March 31, 2023, approximately $0.2 million aggregate principal amount of the Company's 2023 convertible senior notes remained outstanding.
The 2023 convertible senior notes are the Company’s senior unsecured obligations and rank senior in right of payment to any of the Company’s indebtedness that is expressly subordinated in right of payment to the 2023 convertible senior notes; equal in right of payment to any of the Company’s unsecured indebtedness that is not so subordinated (including the 2025 convertible senior notes); effectively junior in right of payment to any of the Company’s secured indebtedness to the extent of the value of the assets securing such indebtedness; and structurally junior to all indebtedness and other liabilities (including trade payables) of the Company’s subsidiaries.
The net carrying amount of the 2023 convertible senior notes as of March 31, 2023 and as of December 31, 2022 was $0.2 million. There were no 2023 convertible senior notes outstanding as follows (in thousands):
March 31, 2023December 31, 2022
Principal$169 $169 
Unamortized issuance costs— — 
Net carrying amount$169 $169 
of June 30, 2023. Interest expense related to the 2023 convertible senior notes was as follows (in thousands):
Three Months Ended
March 31, 2023March 31, 2022
Contractual interest expense$— $
Amortization of issuance costs— 31 
Total interest expense$— $37 
immaterial for both the three and six months ended June 30, 2023 and the three and six months ended June 30, 2022.
In connection with the issuance of the 2023 convertible senior notes, the Company entered into privately negotiated capped call transactions (the “2023 Capped Call Transactions”) with certain financial institutions. The initial cap price of the 2023 Capped Call Transactions was $62.80 per share, and is subject to certain adjustments under the terms of the 2023 Capped Call Transactions.share. The 2023 Capped Call Transactions cover, subject to anti-dilution adjustments,covered approximately 6.3 million shares of the Company’s common stock.

Upon maturity, the outstanding capped calls associated with the repurchase, early settlements and settlements at maturity of $194.7 million of the 2023
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convertible senior notes were settled, which resulted in the Company receiving 370,877 shares of the Company’s common stock and $74.5 million.

7. Stockholders’ Equity
Capital Structure
Common Stock
The Company is authorized to issue 450,000,000 shares of common stock with a par value of $0.001 per share. As of March 31,June 30, 2023 and December 31, 2022, the Company had 71,544,29472,180,262 and 71,047,179 shares of common stock issued and outstanding, respectively.
Preferred Stock
The Company is authorized to designate and issue up to 5,000,000 shares of preferred stock with a par value of $0.001 per share in one or more series without stockholder approval and to fix the rights, preferences, privileges and restrictions thereof. As of March 31,June 30, 2023 and December 31, 2022, there were no shares of preferred stock issued and outstanding.
Common Stock Reserved for Future Issuance
Shares of common stock reserved for future issuance related to outstanding equity awards and employee equity incentive plans as of March 31,June 30, 2023 were as follows (in thousands):
March 31,June 30, 2023
Stock options outstanding1,3031,041
RSUs (including PRSUs) outstanding4,8424,455
Shares available for future grant under 2014 Plan16,33916,188
Shares available for future issuance under ESPP4,2814,076
Total shares of common stock reserved26,76525,760
Stock Options
A summary of the Company’s stock option activity during the threesix months ended March 31,June 30, 2023 is as follows (in thousands, except years and per share data):
Number of
Shares
Weighted
Average
Exercise
Price
Weighted
Average
Remaining
Contractual
Life
(Years)
Aggregate
Intrinsic
Value
Number of
Shares
Weighted
Average
Exercise
Price
Weighted
Average
Remaining
Contractual
Life
(Years)
Aggregate
Intrinsic
Value
Outstanding as of December 31, 2022Outstanding as of December 31, 20221,481 $47.75 Outstanding as of December 31, 20221,481 $47.75 
Options grantedOptions granted— — Options granted— — 
Options exercisedOptions exercised(139)22.49 Options exercised(379)18.42 
Options forfeited or expiredOptions forfeited or expired(39)139.87 Options forfeited or expired(61)141.85 
Outstanding as of March 31, 20231,303 $47.66 4.5$49,139 
Outstanding as of June 30, 2023Outstanding as of June 30, 20231,041 $52.88 5.0$43,993 
The aggregate intrinsic value amounts are computed based on the difference between the exercise price of the stock options and the fair market value of the Company’s common stock of $72.29$82.45 per share as of March 31,June 30, 2023 for all in-the-money stock options outstanding.
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Restricted Stock Units (including Performance-Based Restricted Stock Units)
A summary of the Company’s restricted stock unit ("RSU") activity (including PRSUs)Performance-Based Restricted Stock Units "PRSUs") during the threesix months ended March 31,June 30, 2023 is as follows (in thousands, except per share data):     
Number of SharesWeighted Average Grant Date Fair Value Per ShareNumber of SharesWeighted Average Grant Date Fair Value Per Share
Outstanding as of December 31, 2022Outstanding as of December 31, 20223,718 $103.55 Outstanding as of December 31, 20223,718 $103.55 
RSUs granted(1)
RSUs granted(1)
1,673 71.33 
RSUs granted(1)
1,965 71.19 
RSUs vested and releasedRSUs vested and released(358)114.70 RSUs vested and released(919)102.47 
RSUs forfeited or canceledRSUs forfeited or canceled(191)111.80 RSUs forfeited or canceled(309)104.08 
Outstanding as of March 31, 20234,842 90.00 
Outstanding as of June 30, 2023Outstanding as of June 30, 20234,455 87.64 
(1) Includes 35,921 PRSUs granted during the threesix months ended March 31,June 30, 2023.
PRSUs with Market and Service Conditions In 2022, the Company granted 284,282 PRSUs subject to market and service conditions (“market-based PRSUs”) with a grant date fair value of $30.6 million as part of its annual grant of equity incentive awards to certain executives and in connection with the appointment of Michael Burkland as its new Chief Executive Officer. During the first quarter ofsix months ended June 30, 2023, the Company granted an additional 35,921 market-based PRSUs with a grant date fair value of $3.1 million. The amount that may be earned pursuant to the market-based PRSUs ranges from 0% to 200% of the target number based on the Company’s relative total shareholder return (“RTSR”) performance as compared to the companies in the S&P Software and Services Select Index during three one-year performance periods. One-third of the total market-based PRSUs may be earned and settled in shares following the end of each one-year performance period based on RTSR performance and subject to continued employment through the payment date, but the amount initially paid for the first two one-year performance periods is limited to 100% of the target amount for such years, and any market-based PRSUs resulting from above-target performance in those first two years will be paid following the end of the final one-year performance period, subject to the executive’s continued employment through the payment date. If the Company’s absolute total shareholder return for any performance period is negative, then no more than 100% of the target amount of market-based PRSUs for such period may be earned. If an executive's employment with the Company terminates before the end of the final one-year performance period due to death or disability, 100% (if due to death) or 50% (if due to disability) of the unvested market-based PRSUs may be earned subject to ultimate RTSR performance in each remaining performance period. Upon a qualifying termination of employment in connection with a change in control of the Company, the unvested market-based PRSUs will vest on a double-trigger basis (i) at the target level for the market-based PRSUs granted to certain executives, excluding Michael Burkland, subject to the 2022-2024 performance period, and (ii) for the market-based PRSUs granted to certain executives, including Michael Burkland, subject to the 2023-2025 performance period, (a) at the target level for the uncompleted portions of the performance periods and (b) at the actual level of performance measured through the date of the change in control of the Company, based on the price per share paid in such change in control. The fair value of the market-based PRSUs areis determined on their grant date using a Monte Carlo Simulation model based upon assumptions presented below. The Company recognizes the fair value of the market-based PRSUs ratably over their requisite service period.
During the first quarter of 2023, the Company certified the performance results for the 2022 measurement period for the market-based PRSUs subject to the 2022-2024 performance period.Under the market-based PRSU agreements, the TSR payout percentage ranges from 0% to 200%, with a 50% payout at the 25th TSR percentile (threshold), 100% payout at the 55th TSR percentile (target), 200% payout at the 90th percentile or greater (maximum) and no payout below the threshold performance level. The Company determined that its actual total shareholder return was -52.64% for 2022, and that its relative total shareholder return ranking was in the 30.2 percentile relative to companies in the S&P Software& Services Select Index, which resulted in a payout percentage of 58.7% of target.
PRSUs with Revenue and Service Conditions In 2022, the Company granted 66,167 PRSUs subject to revenue-based performance and service conditions (“revenue-based PRSUs”) with a grant date fair value of $6.6 million. The amount of revenue-based PRSUs that may be earned will be determined based on achievement of two quarterly revenue goals. One third of the revenue-based PRSUs may be earned based on achievement of the first revenue target and, if achieved, will vest in four quarterly installments, with the first installment occurring on the date such achievement is certified, subject to the executive's continuous service through the applicable vesting dates. Two thirds of the revenue-based PRSUs may be earned based on achievement of the second revenue target and, if achieved, will vest in eight quarterly installments, with the first installment occurring on the date such achievement is certified, subject to the executive's continuous service through the applicable vesting dates. The revenue-based PRSUs are otherwise on the Company's standard award terms for its market-based PRSUs. The Company concluded
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that the first revenue target was probable of achievement at March 31,June 30, 2023, and thus recognized the related stock-based compensation expense through this period. The Company, however, concluded that, as of March 31,June 30, 2023, the
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second revenue target was not probable of achievement, and thus did not recognize related stock-based compensation expense through this period. The Company will reassess the probability of the achievement of the performance conditions at each reporting period and a cumulative catch-up adjustment will be recorded to stock-based compensation cost for any change in the probability assessment.
Stock-Based Compensation
Stock-based compensation expense was as follows (in thousands):
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Cost of revenueCost of revenue$9,333 $7,793 Cost of revenue$9,888 $8,538 $19,221 $16,330 
Research and developmentResearch and development12,382 10,145 Research and development13,013 11,818 25,395 21,963 
Sales and marketingSales and marketing17,045 13,424 Sales and marketing17,391 14,963 34,436 28,387 
General and administrativeGeneral and administrative11,983 8,032 General and administrative13,075 9,467 25,058 17,499 
Total stock-based compensation expenseTotal stock-based compensation expense$50,743 $39,394 Total stock-based compensation expense$53,367 $44,786 104,110 84,179 
As of March 31,June 30, 2023, unrecognized stock-based compensation expense by award type and expected weighted-average recognition periods are summarized in the following table (in thousands, except years).
Stock OptionRSU
(excluding PRSUs)
PRSUESPPStock OptionRSU
(excluding PRSUs)
PRSUESPP
Unrecognized stock-based compensation expenseUnrecognized stock-based compensation expense$9,144 $375,880 $22,462 $1,086 Unrecognized stock-based compensation expense$7,082 $335,735 $19,362 $1,671 
Weighted-average amortization periodWeighted-average amortization period2.0 years2.8 years2.2 years0.1 yearsWeighted-average amortization period1.8 years2.7 years2.1 years0.4 years
The weighted-average assumptions used to value stock options granted during the periods presented were as follows:
Stock OptionsThree Months Ended
March 31, 2023March 31, 2022
Expected term (years)— 6.0
Volatility— 46.0 %
Risk-free interest rate— 1.8 %
Dividend yield (1)
— — 
Stock OptionsThree Months EndedSix Months Ended
June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Expected term (years)— 6.0— 6.0
Volatility— 47.0 %— 46.0 %
Risk-free interest rate— 3.0 %— 1.8 %
Dividend yield (1)
— — — — 
The weighted-average assumptions used to value PRSUs with market conditions granted during the periods presented were as follows:
PRSUs (Market Conditions)PRSUs (Market Conditions)Three Months EndedPRSUs (Market Conditions)Three Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Closing price of common stock as of grant dateClosing price of common stock as of grant date$68.15 $110.00 Closing price of common stock as of grant date— — $68.15 $110.00
Expected term (years)Expected term (years)2.842.84Expected term (years)— — 2.842.84
VolatilityVolatility51.1 %48.8 %Volatility— — 51.1 %48.8 %
Risk-free interest rateRisk-free interest rate4.5 %1.6 %Risk-free interest rate— — 4.5 %1.6 %
Dividend yield (1)
Dividend yield (1)
— — 
Dividend yield (1)
— — — — 
(1)The Company has not paid, and does not anticipate paying, cash dividends on its shares of common stock. Accordingly, the expected dividend yield is zero.
8. Net Loss Per Share
Basic net loss per share is calculated by dividing net loss by the weighted average number of shares of common stock outstanding during the period, and excludes any dilutive effects of employee stock-based awards and
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potential shares upon conversion of the convertible senior notes. Diluted net loss per share is computed giving effect to all potentially dilutive shares of common stock, including common stock issuable upon exercise of stock options,
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vesting of RSUs and PRSUs, and shares of common stock issuable upon conversion of convertible senior notes. As the Company had net losses for the three and six months ended March 31,June 30, 2023 and 2022, all potentially issuable shares of common stock were determined to be anti-dilutive.
The following table presents the calculation of basic and diluted net loss per share (in thousands, except per share data):
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Net lossNet loss$(27,248)$(34,120)Net loss$(21,739)$(23,670)$(48,987)$(57,790)
Weighted-average shares used in computing basic and diluted net loss per shareWeighted-average shares used in computing basic and diluted net loss per share71,259 68,974 Weighted-average shares used in computing basic and diluted net loss per share71,627 69,748 71,444 69,363 
Basic and diluted net loss per shareBasic and diluted net loss per share$(0.38)$(0.49)Basic and diluted net loss per share$(0.30)$(0.34)$(0.69)$(0.83)
The following securities were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive (in thousands):
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Stock optionsStock options1,303 1,768 Stock options1,041 1,698 1,041 1,698 
RSUs (includes PRSUs)RSUs (includes PRSUs)4,842 3,236 RSUs (includes PRSUs)4,455 3,111 4,455 3,111 
Convertible senior notes
Convertible senior notes
5,568 6,042 
Convertible senior notes
5,566 5,571 5,567 5,804 
TotalTotal11,713 11,046 Total11,062 10,380 11,063 10,613 
The Company used the if-converted method for calculating any potential dilutive effect of its convertible senior notes for the three and six months ended March 31,June 30, 2023 and 2022. Under this method, the Company calculates diluted earnings per share under both the cash and share settlement assumptions to determine which is more dilutive. If share settlement is more dilutive, the Company calculates diluted earnings per share assuming that all of the convertible senior notes were converted solely into shares of common stock at the beginning of the reporting period. The potential impact upon the conversion of the convertible senior notes were excluded from the calculation of diluted net loss per share for the three and six months ended March 31,June 30, 2023 and 2022 because the effect would have been anti-dilutive.
9. Income Taxes
The provision for income taxes for the three and six months ended March 31,June 30, 2023 and 2022 was approximately $0.5$0.8 million and $2.3$1.3 million, respectively. The provision for income taxes for the three and six months ended March 31,June 30, 2022 was approximately $0.3 million and $2.6 million, respectively.
The provision for income taxes for the three and six months ended June 30, 2023 consisted primarily of federal, state and foreign current income tax expense. The provision for income taxes for the three and six months ended March 31,June 30, 2022 consisted primarily of foreign deferred income tax expense from the intercompany sale of the Company's Australian intellectual property to the United States.States and foreign current income tax expense.
For the three and six months ended March 31,June 30, 2023, the provision for income taxes differed from the statutory amount primarily due to domestic state income taxes, foreign income taxes and the Company realizing no benefit for current year domestic losses due to maintaining a full valuation allowance against its domestic net deferred tax assets. For the three and six months ended March 31,June 30, 2022, the provision for income taxes differed from the statutory amount primarily due to foreign income taxes and the Company realizing no benefit for current year domestic losses due to maintaining a full valuation allowance against its domestic net deferred tax assets.
The realization of tax benefits of deferred tax assets is dependent upon future levels of taxable income, of an appropriate character, in the periods the items are expected to be deductible or taxable. Based on the available objective evidence, the Company does not believe it is more likely than not that the net deferred tax assets will be realizable. Accordingly, the Company has provided a full valuation allowance against the domestic net deferred tax assets as of March 31,June 30, 2023 and December 31, 2022. The Company intends to maintain the remaining valuation
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allowance until sufficient positive evidence exists to support a reversal of, or decrease in, the valuation allowance. During the three and six months ended March 31,June 30, 2023, there were no material changes to the total amount of unrecognized tax benefits.
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10. Commitments and Contingencies
Commitments
The Company’s principal commitments consist of future payment obligations under its convertible senior notes, finance leases to finance data centers and other computer and networking equipment, operating leases for office facilities, cloud services and software and maintenance agreements, and agreements with third parties to provide co-location hosting and telecommunication services. These commitments as of December 31, 2022 are disclosed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022, and material updates to these commitments during the threesix months ended March 31,June 30, 2023 are disclosed herein, including in this Note 10 and in Note 12.
As of March 31,June 30, 2023, the Company’s commitments under various co-location hosting and telecommunications agreements totaled $15.3$16.3 million for terms ranging up to 6057 months. These agreements require the Company to make monthly payments over the service term in exchange for certain network services.
As of March 31,June 30, 2023, the Company had outstanding cloud services and software and maintenance agreement commitments totaling $46.3$78.2 million, of which $25.2$18.9 million is expected to be paid in the remainder of 2023, $17.1$45.9 million is expected to be paid in 2024, and the remaining $4.0$13.4 million is expected to be paid in 2025.
As of March 31,June 30, 2023, $747.7$747.5 million of aggregate principal of the 2025 convertible senior notes was outstanding and is due on June 1, 2025. As of June 30, 2023, no 2023 convertible senior notes were outstanding. The 2023 convertible senior notes and the 2025 convertible senior notes are due on May 1, 2023 and June 1, 2025, respectively. See Note 6 for more information concerning the convertible senior notes.
Legal Matters
The Company is involved in various legal and regulatory matters arising in the normal course of business. In management’s opinion, resolution of these matters is not expected to have a material impact on the Company’s consolidated results of operations, cash flows, or its financial position. However, due to the uncertain nature of legal matters, an unfavorable resolution of a matter could materially affect the Company’s future consolidated results of operations, cash flows or financial position in a particular period. The Company expenses legal fees as incurred.
Indemnification Agreements
In the ordinary course of business, the Company enters into agreements of varying scope and terms pursuant to which it agrees to indemnify clients, vendors, lessors, business partners and other parties with respect to certain matters, including, but not limited to, losses arising out of breach of such agreements, including breach of security, services to be provided by the Company or from intellectual property infringement claims made by third parties. In addition, the Company has entered into indemnification agreements with its directors, officers and certain employees that requires it, among other things, to indemnify them against certain liabilities that may arise by reason of their status or service as directors, officers or employees. There are no claims that the Company is aware of that could have a material effect on the consolidated balance sheets, consolidated statements of operations and comprehensive loss, or consolidated statements of cash flows.

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11. Geographical Information
The following table summarizes revenues by geographic region based on client billing address (in thousands):
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
United StatesUnited States$195,363 $167,247 United States$198,217 $170,984 $393,580 $338,231 
InternationalInternational23,076 15,530 International24,665 18,398 47,741 33,928 
Total revenueTotal revenue$218,439 $182,777 Total revenue$222,882 $189,382 $441,321 $372,159 
The following table summarizes total property and equipment, net in the respective locations (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
United StatesUnited States$93,001 $92,659 United States$91,538 $92,659 
InternationalInternational8,056 8,562 International7,341 8,562 
Property and equipment, netProperty and equipment, net$101,057 $101,221 Property and equipment, net$98,879 $101,221 
    
12. Leases
The Company has leases for offices, data centers and computer and networking equipment that expire at various dates through 2031. The Company’s leases have remaining terms of one to eight years, some of the leases include a Company option to extend the leases for up to one to five years, and some of the leases include the option to terminate the leases upon 30-days' notice. The Company does not separate lease and non-lease components for real estate operating leases.
The components of lease expenses were as follows (in thousands):
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Operating lease costOperating lease cost$3,382 $2,900 Operating lease cost$3,370 $2,869 $6,752 $5,769 
Finance lease cost:Finance lease cost:Finance lease cost:
Amortization of right-of-use assetsAmortization of right-of-use assets$63 $333 Amortization of right-of-use assets$16 $135 $79 $468 
Total finance lease costTotal finance lease cost$63 $333 Total finance lease cost$16 $135 $79 $468 

Supplemental cash flow information related to leases was as follows (in thousands):
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Cash paid for amounts included in the measurement of lease liabilities:Cash paid for amounts included in the measurement of lease liabilities:Cash paid for amounts included in the measurement of lease liabilities:
Operating cash used in operating leasesOperating cash used in operating leases$(3,275)$(2,709)Operating cash used in operating leases$(2,825)$(2,829)$(5,318)$(5,538)
Right of use assets obtained in exchange for lease obligations:Right of use assets obtained in exchange for lease obligations:Right of use assets obtained in exchange for lease obligations:
Operating leasesOperating leases4,153 236 Operating leases1,313 264 5,454 584 
Finance leasesFinance leases2,167 — 2,167 — 
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Supplemental balance sheet information related to leases was as follows (in thousands):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Operating leasesOperating leasesOperating leases
Operating lease right-of-use assetsOperating lease right-of-use assets$45,339 $44,120 Operating lease right-of-use assets$43,748 $44,120 
Operating lease liabilitiesOperating lease liabilities$11,739 $10,626 Operating lease liabilities$11,931 $10,626 
Operating lease liabilities — less current portionOperating lease liabilities — less current portion41,703 41,389 Operating lease liabilities — less current portion39,973 41,389 
Total operating lease liabilitiesTotal operating lease liabilities$53,442 $52,015 Total operating lease liabilities$51,904 $52,015 
Finance leasesFinance leasesFinance leases
Finance lease right-of-use assetsFinance lease right-of-use assets$2,167 $— 
Property and equipment, grossProperty and equipment, gross$30,015 $36,282 Property and equipment, gross$29,974 $36,282 
Less: accumulated depreciation and amortizationLess: accumulated depreciation and amortization(29,999)(36,203)Less: accumulated depreciation and amortization(29,974)(36,203)
Property and equipment, netProperty and equipment, net$16 $79 Property and equipment, net$— $79 
Finance lease liabilitiesFinance lease liabilities$704 $— 
Finance lease liabilities — less current portionFinance lease liabilities — less current portion1,463 — 
Total finance lease liabilitiesTotal finance lease liabilities$2,167 $— 
Weighted average remaining terms were as follows (in years):
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Weighted average remaining lease termWeighted average remaining lease termWeighted average remaining lease term
Operating leasesOperating leases6.16.4Operating leases5.96.4
Finance leasesFinance leases3.00.0
Weighted average discount rates were as follows:
March 31, 2023December 31, 2022June 30, 2023December 31, 2022
Weighted average discount rateWeighted average discount rateWeighted average discount rate
Operating leasesOperating leases3.6 %3.4 %Operating leases3.7 %3.4 %
Finance leasesFinance leases5.6 %— %
Maturities of lease liabilities were as follows (in thousands):
Year Ending December 31,Year Ending December 31,Operating LeasesYear Ending December 31,Operating LeasesFinance Leases
Remaining 2023Remaining 2023$10,155 Remaining 2023$7,162 $412 
2024202411,379 202411,817 782 
202520258,436 20258,893 782 
202620266,541 20266,734 368 
202720275,733 20275,728 — 
ThereafterThereafter17,081 Thereafter17,080 — 
Total future minimum lease paymentsTotal future minimum lease payments59,325 Total future minimum lease payments57,414 2,344 
Less: imputed interestLess: imputed interest(5,883)Less: imputed interest(5,510)(177)
TotalTotal$53,442 Total$51,904 $2,167 


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13. Subsequent Event
TheOn August 3, 2023, convertible senior notes matured on May 1, 2023the Company entered into a definitive agreement to acquire all issued and were settled in a combination of cash andoutstanding shares of capital stock of Aceyus, Inc. (“Aceyus”) for approximately $82 million at closing, on a cash free, debt free basis, which amount is to be adjusted for certain customary purchase price adjustments. The Company expects this transaction will close by the Company's common stock. Upon maturity,end of the outstanding capped calls associated withthird quarter of 2023, subject to the repurchasesatisfaction of certain closing conditions. The Company believes the acquisition of Aceyus uniquely accelerates its ability to capitalize on two large opportunities, namely facilitating the migration of large enterprise customers from on-prem to cloud and early settlements of $194.7 million 2023 convertible senior notes were settled, which resultedleveraging contextual data to deliver personalized experiences throughout the customer journey, including using this contextual data in the Company receiving 370,877 shares and $74.5 million.its AI & Automation solutions.









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ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations
You should read the following discussion in conjunction with the condensed consolidated financial statements and notes thereto included elsewhere in this Quarterly Report on Form 10-Q and our Annual Report on Form 10-K for the year ended December 31, 2022.
Overview
We are a pioneer and leading provider of intelligent cloud contact centers with more than 2,500 clients. We believe we achieved this leadership position through our expertise and technology, which has empowered us to help organizations of all sizes transition from legacy on-premise contact center systems to our cloud solution. Our solution, comprised of our Virtual Contact Center, or VCC, cloud platform and applications, allows simultaneous management and optimization of customer interactions across voice, chat, email, web, social media and mobile channels, either directly or through our application programming interfaces, or APIs. Our VCC cloud platform matches each customer interaction with an appropriate agent resource and delivers relevant customer data to the agent in real-time through integrations with adjacent enterprise applications, such as customer relationship management, or CRM, software, to optimize the customer experience and improve agent productivity. Unlike legacy on-premise contact center systems, our solution requires minimal up-front investment, can be rapidly deployed and adjusted depending on our client’s requirements.
Since founding our business in 2001, we have focused exclusively on delivering cloud contact center software. We initially targeted smaller contact center opportunities with our telesales team and, over time, invested in expanding the breadth and depth of the functionality of our cloud platform to meet the evolving requirements of our clients. In 2009, we made a strategic decision to expand our market opportunity to include larger contact centers. This decision drove further investments in research and development and the establishment of our field sales team to meet the requirements of these larger contact centers. We believe this shift has helped us diversify our client base, while significantly enhancing our opportunity for future revenue growth. To complement these efforts, we have also focused on building client awareness and driving adoption of our solution through marketing activities, which include internet advertising, digital marketing campaigns, social media, trade shows, industry events, telemarketing and out of home campaigns.
We provide our solution through a SaaS business model with recurring subscriptions. We offer a comprehensive suite of applications delivered on our VCC cloud platform that are designed to enable our clients to manage and optimize interactions across inbound and outbound contact centers. We primarily generate revenue by selling subscriptions and related usage of our VCC cloud platform. We charge our clients monthly subscription fees for access to our solution, primarily based on the number of agent seats, as well as the specific functionalities and applications our clients deploy. We define agent seats as the maximum number of named agents allowed to concurrently access our solution. Our clients typically have more named agents than agent seats, and multiple named agents may use an agent seat, though not simultaneously. Substantially all of our clients purchase both subscriptions and related telephony usage from us. A small percentage of our clients subscribe to our platform but purchase telephony usage directly from wholesale telecommunications service providers. We do not sell telephony usage on a stand-alone basis to any client. The related usage fees are based on the volume of minutes for inbound and outbound interactions. We also offer bundled plans, generally for smaller deployments, where the client is charged a single monthly fixed fee per agent seat that includes both subscription and unlimited usage in the contiguous 48 states and, in some cases, Canada. We offer monthly, annual and multiple-year contracts to our clients, generally with 30 days’ notice required for reductions in the number of agent seats. Increases in the number of agent seats can be provisioned almost immediately. Our clients, therefore, are able to adjust the number of agent seats used to meet their changing contact center volume needs. Our larger clients typically choose annual contracts, which generally include an implementation and ramp period of several months. Fixed subscription fees, including bundled plans, are generally billed monthly in advance, while related usage fees are billed in arrears. For the three and six months ended March 31,June 30, 2023, subscription and related usage fees accounted for 91% and 92% of our revenue, respectively.
For each the three and six months ended June 30,
2022, subscription and related usage fees accounted for 92% and 91% of our revenue, respectively.revenue. The remainder was comprised of professional services revenue from the implementation and optimization of our solution.
Macroeconomic and Other Factors
We are subject to risks and exposures, including those caused by adverse economic conditions, including macroeconomic deterioration and the Russia-Ukraine conflict and the COVID-19 pandemic.conflict.
Macroeconomic factors include the global economic slowdown, increased inflation, increased interest rates, supply chain disruptions, decreased economic output and fluctuations in currency exchange rates. We continuously
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monitor the direct and indirect impacts of these circumstances on our business and financial results, as well as the
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overall global economy and geopolitical landscape. While the implications of macroeconomic events on our business, results of operations and overall financial position remain uncertain over the long term, we expect that adverse economic conditions will continue to have an adverse impact on our revenue in future periods. For example, we continue to experience macroeconomic headwinds onsince the third quarter of 2022, our installed base business, which typically contributes approximately half of our annual revenue growth. Since the third quarter of 2022, we havegrowth, has been experiencing macroeconomic headwinds in our installed base within a number of verticals. In the firstsecond quarter of 2023, weour third largest installed base vertical, consumer, experienced the largest macroeconomic headwind within our second largest installed base vertical, financial services.headwind.
In March 2022 we decided to close our Russia office and to establish a new European development center in Portugal, in part due to the growing uncertainty arising from the Russia-Ukraine conflict. During the three and six months ended March 31,June 30, 2023, and 2022, we incurred approximately $0.7$1.1 million and $2.7$1.8 million in costs related to the closure and relocation of our Russian operations, of which $0.0$0.1 million and $0.4$0.1 million was recorded in cost of revenue, $0.5 million and $2.6$1.0 million was recorded in research and development expense, $0.1$0.2 million and $0.3 million was recorded in general and administrative expense, and $0.3 million and $0.4 million was recorded in interest income and other in our condensed consolidated statements of operations and comprehensive loss. During the three and six months ended June 30, 2022, we incurred approximately $1.1 million and $3.9 million in costs related to the closure and relocation of our Russian operations, of which $3.0 thousand and $0.4 million was recorded in cost of revenue, $0.1 million and $(0.6)$2.7 million was recorded in research and development expense, $0.8 million and $1.1 million was recorded in general and administrative expense, and $0.2 million and $(0.3) million was recorded in interest income and other in our condensed consolidated statements of operations and comprehensive loss. We currently do not believe that this decision will have a material effect on our business, results of operations or financial condition.
The COVID-19 pandemic had a moderately positive impact on our financial results due to the shift from brick-and-mortar to virtual. The severity and durationcontinuing impact of the COVID-19 pandemic and its continuing impact on the U.S. and global economy remains uncertain, but we believe that most of this benefit has now dissipated.
Key GAAP Operating Results
Our revenue increased to $218.4$222.9 million and $441.3 million for the three and six months ended March 31,June 30, 2023 from $182.8$189.4 million and $372.2 million for the three and six months ended March 31,June 30, 2022. Revenue growth was primarily attributable to our larger clients, driven by an increase in our sales and marketing activities and our improved brand awareness. For each of the three and six months ended March 31,June 30, 2023 and 2022, no single client accounted for more than 10% of our total revenue. As of March 31,June 30, 2023, we had over 2,500 clients across multiple industries with a wide range of seat sizes. We had a net loss of $27.2$21.7 million and $49.0 million in the three and six months ended March 31,June 30, 2023, compared to a net loss of $34.1$23.7 million and $57.8 million in the three and six months ended March 31,June 30, 2022.
We have continued to make significant expenditures and investments, including in sales and marketing, research and development and infrastructure. We primarily evaluate the success of our business based on revenue growth and the efficiency and effectiveness of our investments. The growth of our business and our future success depend on many factors, including our ability to continue to expand our base of larger clients, grow revenue from our existing clients, innovate and expand internationally. While these areas represent significant opportunities for us, they also pose risks and challenges that we must successfully address, including the impact of macroeconomic deterioration and the Russia-Ukraine conflict, and the COVID-19 pandemic, in order to successfully grow our business and improve our operating results.
Key Operating and Non-GAAP Financial Performance Metrics
In addition to measures of financial performance presented in our condensed consolidated financial statements, we monitor the key metrics set forth below to help us evaluate growth trends, establish budgets, measure the effectiveness of our sales and marketing efforts and assess operational efficiencies.
Annual Dollar-Based Retention Rate
We believe that our Annual Dollar-Based Retention Rate provides insight into our ability to retain and grow revenue from our clients, and is a measure of the long-term value of our client relationships. Our Annual Dollar-Based Retention Rate is calculated by dividing our Retained Net Revenue by our Retention Base Net Revenue on a monthly basis, which we then average using the rates for the trailing twelve months for the period presented. We define Retention Base Net Revenue as recurring net revenue from all clients in the comparable prior year period, and
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we define Retained Net Revenue as recurring net revenue from that same group of clients in the current period. We define recurring net revenue as net subscription and related usage revenue.
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The following table shows our Annual Dollar-Based Retention Rate based on Net Revenue for the periods presented:
Twelve Months Ended
March 31, 2023March 31, 2022
Annual Dollar-Based Retention Rate114%120%
Twelve Months Ended
June 30, 2023June 30, 2022
Annual Dollar-Based Retention Rate112%118%
Our Dollar-Based Retention Rate decreased year-over-year primarily due to the macroeconomic headwinds we started experiencing in 2022 and continued to experience in the firstsecond quarter of 2023.
Adjusted EBITDA
We monitor adjusted EBITDA, a non-GAAP financial measure, to analyze our financial results and believe that it is useful to investors, as a supplement to U.S. GAAP measures, in evaluating our ongoing operational performance and enhancing an overall understanding of our past financial performance. We believe that adjusted EBITDA helps illustrate underlying trends in our business that could otherwise be masked by the effect of the income or expenses that we exclude from adjusted EBITDA. Furthermore, we use this measure to establish budgets and operational goals for managing our business and evaluating our performance. We also believe that adjusted EBITDA provides an additional tool for investors to use in comparing our recurring core business operating results over multiple periods with other companies in our industry.
Adjusted EBITDA should not be considered in isolation from, or as a substitute for, financial information prepared in accordance with U.S. GAAP, and our calculation of adjusted EBITDA may differ from that of other companies in our industry. We compensate for the inherent limitations associated with using adjusted EBITDA through disclosure of these limitations, presentation of our financial statements in accordance with U.S. GAAP and reconciliation of adjusted EBITDA to the most directly comparable U.S. GAAP measure, net loss. We calculate adjusted EBITDA as net loss before (1) depreciation and amortization, (2) stock-based compensation, (3) interest expense, (4) interest (income) and other, (5) exit costs related to the closure and relocation of Russian operations, (6) acquisition-related transaction and one-time integration costs, (7) contingent consideration expense, (8) refund for prior year overpayment of USF fees, (9) provision for (benefit from) income taxes, and (9)(10) other items that do not directly affect what we consider to be our core operating performance.

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The following table shows a reconciliation of net loss to adjusted EBITDA for the periods presented (in thousands):
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Net lossNet loss$(27,248)$(34,120)Net loss$(21,739)$(23,670)$(48,987)$(57,790)
Non-GAAP adjustments:Non-GAAP adjustments:Non-GAAP adjustments:
Depreciation and amortization (1)
Depreciation and amortization (1)
11,347 10,795 
Depreciation and amortization (1)
11,724 11,640 23,071 22,435 
Stock-based compensation (2)
Stock-based compensation (2)
50,743 39,394 
Stock-based compensation (2)
53,367 44,786 104,110 84,179 
Interest expenseInterest expense1,845 1,870 Interest expense1,866 1,857 3,711 3,727 
Interest (income) and otherInterest (income) and other(4,121)(845)Interest (income) and other(6,123)(280)(10,244)(1,125)
Exit costs related to closure and relocation of Russian operations (3)
Exit costs related to closure and relocation of Russian operations (3)
596 3,227 
Exit costs related to closure and relocation of Russian operations (3)
815 214 1,411 3,441 
Acquisition-related transaction and one-time integration costsAcquisition-related transaction and one-time integration costs1,455 1,638 Acquisition-related transaction and one-time integration costs877 1,714 2,332 3,352 
Contingent consideration expenseContingent consideration expense— 260 Contingent consideration expense— — — 260 
Refund for prior year overpayment of USF feesRefund for prior year overpayment of USF fees— (3,511)— (3,511)
Provision for income taxesProvision for income taxes753 332 1,280 2,588 
Provision for income taxes527 2,256 
Adjusted EBITDAAdjusted EBITDA$35,144 $24,475 Adjusted EBITDA$41,540 $33,082 $76,684 $57,556 
(1)Depreciation and amortization expenses included in our results of operations for the periods presented are as follows (in thousands):
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Cost of revenueCost of revenue$8,907 $8,500 Cost of revenue$9,269 $8,747 $18,176 $17,247 
Research and developmentResearch and development872 825 Research and development868 804 1,740 1,629 
Sales and marketingSales and marketingSales and marketing
General and administrativeGeneral and administrative1,567 1,469 General and administrative1,586 2,088 3,153 3,557 
Total depreciation and amortizationTotal depreciation and amortization$11,347 $10,795 Total depreciation and amortization$11,724 $11,640 $23,071 $22,435 
(2)See Note 7 to the condensed consolidated financial statements for stock-based compensation expense included in our results of operations for the periods presented.
(3)Exit costs related to the closure and relocation of our Russian operations was $0.7were $1.1 million and $1.8 million during the three and six months ended March 31,June 30, 2023. The $0.6$0.8 million adjustmentand $1.4 million adjustments presented above waswere net of $0.1$0.3 million and $0.4 million included in “Interest (income) and other.” Exit costs related to the closure and relocation of our Russian operations was $2.7were $1.1 million and $3.9 million during the three and six months ended March 31,June 30, 2022. The $3.2$0.2 million adjustmentand $3.4 million adjustments presented above waswere net of $0.1$0.7 million and $0.8 million included in “Depreciation and amortization” and $(0.6)$0.2 million and $(0.3) million included in “Interest (income) and other.”
Key Components of Our Results of Operations
Revenue
Our revenue consists of subscription and related usage as well as professional services. We consider our subscription and related usage to be recurring revenue. This recurring revenue includes fixed subscription fees for the delivery and support of our VCC cloud platform, as well as related usage fees. The related usage fees are generally based on the volume of minutes for inbound and outbound client interactions. We also offer bundled plans, generally for smaller deployments, where the client is charged a single monthly fixed fee per agent seat that includes both subscription and unlimited usage in the contiguous 48 states and, in some cases, Canada. We offer monthly, annual and multiple-year contracts for our clients, generally with 30 days’ notice required for reductions in the number of agent seats. Increases in the number of agent seats can be provisioned almost immediately. Our clients, therefore, are able to adjust the number of agent seats used to meet their changing contact center volume needs. Our larger clients typically choose annual contracts, which generally include an implementation and ramp period of several months.
Fixed subscription fees, including plans with bundled usage, are generally billed monthly in advance, while variable usage fees are billed in arrears. Fixed subscription fees are recognized on a straight-line basis over the applicable term, which is predominantly the monthly contractual billing period. Support activities include technical assistance for our solution and upgrades and enhancements on a when and if available basis, which are not billed separately. Variable subscription related usage fees for non-bundled plans are billed in arrears based on client-specificclient-
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specific per minute rate plans and are recognized as actual usage occurs. We generally require advance deposits from clients based on estimated usage. All fees, except usage deposits, are non-refundable.
In addition, we generate professional services revenue from assisting clients in implementing our solution and optimizing use. These services include application configuration, system integration and education and training
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services. Professional services are primarily billed on a fixed-fee basis and are typically performed by us directly. In limited cases, our clients choose to perform these services themselves or engage their own third-party service providers to perform such services. Professional services are recognized as the services are performed using the proportional performance method, with performance measured based on labor hours, provided all other criteria for revenue recognition are met.
While the implications of macroeconomic events on our business, results of operations and overall financial position remain uncertain over the long term, we expect that adverse economic conditions will continue to have an adverse impact on our revenue in future periods. For example, we continue to experience macroeconomic headwinds onsince the third quarter of 2022, our installed base business, which typically contributes approximately half of our annual revenue growth. Since the third quarter of 2022, we havegrowth, has been experiencing macroeconomic headwinds in our installed base within a number of verticals. In the firstsecond quarter of 2023, weour third largest installed base vertical, consumer, experienced the largest macroeconomic headwind within our second largest installed base vertical, financial services.headwind.
Cost of Revenue
Our cost of revenue consists primarily of personnel costs, including stock-based compensation, fees that we pay to telecommunications providers for usage, Universal Service Fund, or USF, contributions and other regulatory costs, depreciation and related expenses of our servers and equipment, costs to build out and maintain co-location data centers, costs of public cloud-based data centers, allocated office and facility costs, amortization of acquired technology and amortization of internal-use software costs. Cost of revenue can fluctuate based on a number of factors, including the fees we pay to telecommunications providers, which vary depending on our clients’ usage of our VCC cloud platform, the timing of capital expenditures and related depreciation charges and changes in headcount. We expect to continue investing in professional services, public cloud, cloud operations, client support and network infrastructure to maintain high quality and availability of services, which we believe will result in absolute dollar increases in cost of revenue but percentage of revenue declines in the long-term through economies of scale.
Operating Expenses
We classify our operating expenses as research and development, sales and marketing, and general and administrative expenses.
Research and Development.    Our research and development expenses consist primarily of salary and related expenses, including stock-based compensation, for personnel related to the development of improvements and expanded features for our services, as well as quality assurance, testing, product management and allocated overhead. We expense research and development expenses as they are incurred except for internal use software development costs that qualify for capitalization. We believe that continued investment in our solution is important for our future growth, and we expect our research and development expenses to increase in absolute dollars and fluctuate as a percentage of revenue in the near and longer term.
Sales and Marketing.    Sales and marketing expenses consist primarily of salaries and related expenses, including stock-based compensation, for personnel in sales and marketing, sales commissions, as well as advertising, marketing, corporate communications, travel costs and allocated overhead. We believe it is important to continue investing in sales and marketing to continue to generate revenue growth, and we expect sales and marketing expenses to increase in absolute dollars and fluctuate as a percentage of revenue in the near and longer term as we continue to support our growth initiatives.
General and Administrative.    General and administrative expenses consist primarily of salary and related expenses, including stock-based compensation, for management, finance and accounting, legal, information systems and human resources personnel, professional fees, compliance costs, other corporate expenses and allocated overhead. We expect that general and administrative expenses will fluctuate in absolute dollars and as a percentage of revenue in the near term, but to increase in absolute dollars and decline as a percentage of revenue in the longer term.
Results of Operations for the Three and Six Months Ended March 31,June 30, 2023 and 2022
Based on the condensed consolidated statements of operations and comprehensive loss set forth in this Quarterly Report on Form 10-Q, the following table sets forth our operating results as a percentage of revenue for
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the periods indicated:
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022June 30, 2023June 30, 2022
RevenueRevenue100 %100 %Revenue100 %100 %100 %100 %
Cost of revenueCost of revenue48 %49 %Cost of revenue47 %47 %47 %48 %
Gross profitGross profit52 %51 %Gross profit53 %53 %53 %52 %
Operating expenses:Operating expenses:Operating expenses:
Research and developmentResearch and development17 %20 %Research and development18 %18 %18 %19 %
Sales and marketingSales and marketing35 %35 %Sales and marketing33 %34 %34 %34 %
General and administrativeGeneral and administrative13 %13 %General and administrative13 %12 %13 %13 %
Total operating expensesTotal operating expenses65 %68 %Total operating expenses64 %64 %65 %66 %
Loss from operationsLoss from operations(13)%(17)%Loss from operations(11)%(11)%(12)%(14)%
Other (expense) income, net:Other (expense) income, net:Other (expense) income, net:
Interest expenseInterest expense(1)%(1)%Interest expense(1)%(1)%(1)%(1)%
Interest income and otherInterest income and other%— %Interest income and other%— %%— %
Total other income (expense), netTotal other income (expense), net%(1)%Total other income (expense), net%(1)%%(1)%
Loss before income taxesLoss before income taxes(12)%(18)%Loss before income taxes(9)%(12)%(11)%(15)%
Provision for income taxesProvision for income taxes— %%Provision for income taxes%— %— %%
Net lossNet loss(12)%(19)%Net loss(10)%(12)%(11)%(16)%
Revenue
Three Months Ended
March 31, 2023March 31, 2022$
Change
%
Change
(in thousands, except percentages)
Revenue$218,439 $182,777 $35,662 20 %
Three Months EndedSix Months Ended
June 30, 2023June 30, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
(in thousands, except percentages)
Revenue$222,882 $189,382 $33,500 18 %$441,321 $372,159 $69,162 19 %
The increase in revenue for the three and six months ended March 31,June 30, 2023 compared to the same periodperiods of 2022 was primarily attributable to our larger clients, driven by an increase in our sales and marketing activities and our improved brand awareness.
Cost of Revenue
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
(in thousands, except percentages)(in thousands, except percentages)
Cost of revenueCost of revenue$104,756 $88,867 $15,889 18 %Cost of revenue$104,361 $88,229 $16,132 18 %$209,117 $177,096 $32,021 18 %
% of Revenue% of Revenue48 %49 %% of Revenue47 %47 %47%48%
The increase in cost of revenue for the three and six months ended March 31,June 30, 2023 compared to the same periodperiods of 2022 was primarily due to a $6.2$4.8 million and $7.0 million increase in USF contributions and other federal telecommunication service fees due to increased client usage and a change in methodology in the prior year, which resulted in a $3.5 million refund for 2020 that was received in the three months ended June 30, 2022, a $4.0 million and $10.2 million increase in third-party hosted software costs driven by increased client activities, a $5.2$4.0 million increase in depreciation, data center and public cloud costs to support our growing capacity needs, a $3.9$7.9 million increase in personnel costs driven mainly by increased headcount, higher salaries and increased stock-based compensation costs, a $2.1$3.6 million and $8.8 million increase in USFdepreciation, data center and public cloud costs due to increased client usagesupport our growing capacity needs, and a $0.2 million and $0.4 million increase in consulting costs for global expansion, offset in part by a $1.2$0.6 million and $1.1 million decrease in staff augmentation costs related to implementation of our solutions and a $0.2 million and $1.5 million decrease in usage and carrier costs due to a rate reduction, partially offset by increased volume, and a $0.6 million decrease in staff augmentation costs related to implementation of our solutions.


volume.
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Gross Profit
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
(in thousands, except percentages)(in thousands, except percentages)
Gross profitGross profit$113,683 $93,910 $19,773 21 %Gross profit$118,521 $101,153 $17,368 17 %$232,204$195,063$37,14119%
% of Revenue% of Revenue52 %51 %% of Revenue53 %53 %53%52%
The increase in gross profit for the three and six months ended March 31,June 30, 2023 compared to the same periodperiods of 2022 was primarily due to increases in subscription and related revenues. The increase in gross margin for the threesix months ended March 31,June 30, 2023 compared to the same period of 2022 was primarily due to our revenue growing at a higher rate than our increase in cost of revenue as described above. We expect gross margin to increase in the long term despite continued investments in professional services, public cloud, cloud operations, client support and network infrastructure, as we expect revenue growth in the long term to more than offset these increases.
Operating Expenses
Research and Development
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
(in thousands, except percentages)(in thousands, except percentages)
Research and developmentResearch and development$38,108 $35,824 $2,284 %Research and development$39,210 $34,992 $4,218 12 %$77,318$70,816$6,5029%
% of Revenue% of Revenue17 %20 %% of Revenue18 %18 %18%19%
The increase in research and development expenses for the three months ended March 31,June 30, 2023 compared to the same period of 2022 was primarily due to a $2.9$5.6 million increase in personnel-related costs driven mainly by an increase in stock-based compensation costs, a $0.5 million increase in one-time integration costs, a $0.3 million increase in office, facilitiesincreased headcount and related costs and a $0.3 million increase in staff augmentation costs,higher salaries, offset in part primarily by a $2.0$1.2 million increase in research and development costs that qualified for capitalization, which will be amortized in cost of revenue over the estimated useful life of the software after it is ready for its intended use.
Sales and Marketing
Three Months Ended
March 31, 2023March 31, 2022$
Change
%
Change
(in thousands, except percentages)
Sales and marketing$76,314 $64,611 $11,703 18 %
% of Revenue35 %35 %
The increase in salesresearch and marketingdevelopment expenses for the threesix months ended March 31,June 30, 2023 compared to the same period of 2022 was primarily due to a $5.7$8.6 million increase in personnel-related costs driven mainly by an increase in stock-based compensation costs, increased headcount and higher salaries, a $0.4 million increase in staff augmentation costs, and a $0.3 million increase in office, facilities and related costs, offset in part by a $3.2 million increase in research and development costs that qualified for capitalization.
Sales and Marketing
Three Months EndedSix Months Ended
June 30, 2023June 30, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
(in thousands, except percentages)
Sales and marketing$74,077 $64,098 $9,979 16 %$150,391$128,709$21,68217%
% of Revenue33 %34 %34%34%
The increase in sales and marketing expenses for the three and six months ended June 30, 2023 compared to the same periods of 2022 was primarily due to a $4.5 million and $10.1 million increase in personnel costs driven by increased stock-based compensation costs, increased headcount and higher salaries, a $3.8$3.4 million and $7.1 million increase in sales commission expenses driven by the growth in sales and bookings of our solution, and a $0.3$0.6 million and $0.9 million increase in travel costs as a result of an increase in business travel as COVID-19 restrictions decreased.travel. The remaining net increase in sales and marketing expenses was primarily due to the execution of our growth strategy to acquire new clients, increase the number of agent seats within our existing client base, and increased advertising and other marketing expenses to increase our brand awareness.

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General and Administrative
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
(in thousands, except percentages)(in thousands, except percentages)
General and administrativeGeneral and administrative$28,258 $24,314 $3,944 16 %General and administrative$30,477 $23,824 $6,653 28 %$58,735$48,138$10,59722%
% of Revenue% of Revenue13 %13 %% of Revenue13 %12 %13%13%
The increase in general and administrative expenses for the three and six months ended March 31,June 30, 2023 compared to the same periodperiods of 2022 was primarily due to a $5.2 million and $10.4 million increase in personnel costs driven by increased stock-based compensation costs, increased headcount and higher salaries, offset in part byand a $1.1$1.4 million decreaseand $0.2 million increase in legal and other professional service costs and by a $0.3 million decrease in contingent consideration expense for the Inference acquisition.costs.
Other Income (Expense), Net
Three Months EndedThree Months EndedSix Months Ended
March 31, 2023March 31, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
June 30, 2023June 30, 2022$
Change
%
Change
(in thousands, except percentages)(in thousands, except percentages)
Interest expenseInterest expense$(1,845)$(1,870)$25 (1)%Interest expense$(1,866)$(1,857)$(9)— %$(3,711)$(3,727)$16 — %
Interest income and otherInterest income and other4,121 845 3,276 388 %Interest income and other6,123 280 5,843 2,087 %10,244 1,125 9,119 811 %
Total other income (expense), netTotal other income (expense), net$2,276 $(1,025)$3,301 (322)%Total other income (expense), net$4,257 $(1,577)$5,834 (370)%$6,533 $(2,602)$9,135 (351)%
% of Revenue% of Revenue%(1)%% of Revenue%(1)%%(1)%
The decrease in interestInterest expense remained consistent for the three and six months ended March 31,June 30, 2023 compared to the same periodperiods of 2022 wassince it primarily duerelated to the reduction inour 2025 convertible senior notes for which the aggregate outstanding principal amount of our 2023 convertible senior notes.remained the same during these periods. See Note 6 to the consolidated financial statements for further details.
The increase in interest income and other for the three and six months ended March 31,June 30, 2023 compared to the same periodperiods of 2022 was primarily due to higher interest income on our marketable investments, offset in part by an increase in foreign currency remeasurementtransaction losses.
Liquidity and Capital Resources
To date, we have financed our operations primarily through sales of our solution, net proceeds from our equity and debt financings, including the issuance of our 2025 convertible senior notes in May and June 2020 and of our 2023 convertible senior notes in May 2018, and lease facilities. As of March 31,June 30, 2023, we had $640.2$683.0 million in working capital, which included $141.4$195.6 million in cash and cash equivalents and $488.4$464.2 million in short-term marketable investments, and excluded long-term marketable investments of $13.5$85.1 million. The 2023 convertible senior notes matured on May 1, 2023 and were settled in a combination of cash and shares of our common stock. Upon maturity, the outstanding capped calls associated with the repurchase and early settlements of $194.7 million 2023 convertible senior notes were settled, which resulted in us receiving 370,877 shares and $74.5 million. We believe our existing cash and cash equivalents will be sufficient to meet our working capital and capital expenditure needs for at least the next 12 months. 
We plan to continue to finance our operations in the future primarily through sales of our solution, net proceeds from equity and debt financings, and lease facilities. Our future capital requirements will depend on many factors including our growth rate, continuing market acceptance of our solution, the strength of the global economy, client retention, growth within our installed base, our ability to gain new clients, the timing and extent of spending to support research and development efforts, the outcome of any pending or future litigation or other claims by third parties or governmental entities, the expansion of sales and marketing activities and personnel, the introduction of new and enhanced offerings, expenses incurred in closing our Russia operations and expanding our new office in Portugal and any operational disruptions due to this transition, and the effect of the length and severity of the current
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economic downturn, and the Russia-Ukraine conflict and the COVID-19 pandemic on these or other factors. We may also acquire or invest in complementary businesses, technologies and intellectual property rights, which may increase our use of cash and future capital requirements, both to pay acquisition costs and to support our combined
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operations. We may raise additional capital through equity or debt financings at any time to fund these or other requirements. However, we may not be able to raise additional capital through equity or debt financings when needed on terms acceptable to us or at all, depending on our financial performance, economic and market conditions, the trading price of our common stock, and other factors, including the length and severity of the current economic downturn and fluctuations in the financial markets, including due to the Russia-Ukraine conflict and the ongoing COVID-19 pandemic.conflict. If we are unable to raise additional capital as needed, our business, operating results and financial condition could be harmed. In addition, if our operating performance during the next twelve months is below our expectations, our liquidity and ability to operate our business also could be harmed.
If we raise additional funds by issuing equity or equity-linked securities, the ownership of our existing stockholders would be diluted. If we raise additional funds through the incurrence of additional indebtedness, we will be subject to increased debt service obligations and could also be subject to restrictive covenants and other operating restrictions that could negatively impact our ability to operate our business.
Cash Flows
The following table summarizes our cash flows for the periods presented (in thousands):
Three Months EndedSix Months Ended
March 31, 2023March 31, 2022June 30, 2023June 30, 2022
Net cash provided by operating activitiesNet cash provided by operating activities$33,412 $28,724 Net cash provided by operating activities$55,264 $25,599 
Net cash (used in) provided by investing activitiesNet cash (used in) provided by investing activities(75,686)11,177 Net cash (used in) provided by investing activities(129,721)25,607 
Net cash provided by (used in) financing activitiesNet cash provided by (used in) financing activities3,125 (30,628)Net cash provided by (used in) financing activities90,709 (40,791)
Net (decrease) increase in cash, cash equivalents and restricted cash$(39,149)$9,273 
Net increase in cash, cash equivalents and restricted cashNet increase in cash, cash equivalents and restricted cash$16,252 $10,415 
Cash Flows from Operating Activities
Cash provided by operating activities is primarily influenced by our personnel-related expenditures, data center and telecommunications carrier costs, office and facility related costs, USF contributions and other regulatory costs and the amount and timing of client payments. If we continue to improve our financial results, we expect net cash provided by operating activities to increase. Our largest source of operating cash inflows is cash collections from our clients for subscription and related usage services. Payments from clients for these services are typically received monthly.
Net cash provided by operating activities was $33.4$55.3 million during the threesix months ended March 31,June 30, 2023. Net cash provided by operating activities resulted from our net loss of $27.2$49.0 million, adjustments to reconcile net loss to net cash provided by operating activities of $77.3$157.7 million, primarily consisting of $50.7$104.1 million of stock-based compensation, $12.4$25.7 million of amortization of commission costs, $11.3$23.1 million of depreciation and amortization, $2.9$5.8 million of amortization of operating lease right-of-use assets and $0.9$1.8 million of amortization of issuance costs on our convertible senior notes, partially offset by use of cash for operating assets and liabilities of $(16.6)$(53.4) million primarily due to the timing of cash payments to vendors and cash receipts from customers.
Net cash provided by operating activities was $28.7$25.6 million during the threesix months ended March 31,June 30, 2022. Net cash provided by operating activities resulted from our net loss of $34.1$57.8 million, adjusted for non-cash itemsadjustments to reconcile net loss to net cash provided by operating activities of $65.5$130.3 million, primarily consisting of $39.4$84.2 million of stock-based compensation, $10.8$22.4 million of depreciation and amortization, $8.7$18.7 million of amortization of commission costs, $0.9$1.9 million of amortization of issuance costs on our convertible senior notes, and $0.3$(5.9) million ofadjustment for the Inference contingent consideration expense,in excess of its acquisition-date fair value, offset by use of cash for operating assets and liabilities of $(2.6)$(46.9) million primarily due to the timing of cash payments to vendors and cash receipts from customers.
Cash Flows from Investing Activities
Net cash used in investing activities of $(75.7)$(129.7) million in the threesix months ended March 31,June 30, 2023 was comprised of $76.9$337.6 million related to purchases of marketable investments, $16.6 million in capital expenditures and $3.6
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million in capitalized software development costs, offset in part by $228.1 million related to cash proceeds from sales and maturities of marketable investments.
Net cash provided by investing activities of $25.6 million in the six months ended June 30, 2022 was comprised of $215.2 million related to cash proceeds from sales and maturities of marketable investments, offset in part by $140.9$151.7 million related to purchases of marketable investments, $9.9$34.5 million in capital expenditures, and $1.8 million in capitalized software development costs.
Net cash provided by investing activities of $11.2 million in the three months ended March 31, 2022 was comprised of $131.4 million related to cash proceeds from sales and maturities of marketable investments, offset in part by $105.3 million related to purchases of marketable investments, $12.4 million in capital expenditures, $2.0
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million in connection with an equity investment in a privately-held company and $0.6$1.4 million in capitalized software development costs.
Cash Flows from Financing Activities
Net cash provided by financing activities of $3.1$90.7 million in the threesix months ended March 31,June 30, 2023 was related to $74.5 million of cash received from the settlement at maturity of the outstanding capped calls associated with the repurchase and early settlements of the 2023 convertible senior notes, $9.4 million from the sale of common stock under our employee stock purchase plan, and cash proceeds of $3.1$7.0 million from the exercise of stock options.options, offset in part by $0.2 million of cash paid in connection with 2023 convertible senior note settlements.
Net cash used in financing activities of $(30.6)$(40.8) million in the threesix months ended March 31,June 30, 2022 was related to $31.9$34.0 million of cash paid in connection with other 2023 convertible senior note settlements and $24.0 million of cash paid in connection with the contingent consideration payment related to the Inference acquisition, of which $18.1 million represented the acquisition-date fair value and was disclosed as a financing activity and $5.9 million represented the amount of payment in excess of the acquisition-date fair value and was disclosed as an adjustment to operating activity, partially offset by $8.3 million from the sale of common stock under our employee stock purchase plan, and cash proceeds of $1.3$3.0 million from exercise of stock options.

Critical Accounting Policies and Estimates
Our condensed consolidated financial statements are prepared in accordance with U.S. GAAP. The preparation of these financial statements requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue, expenses and related disclosures. On an ongoing basis, we evaluate our estimates and assumptions. Our actual results may differ from these estimates under different assumptions or conditions.
There have been no material changes to our critical accounting policies and estimates from those disclosed in our Annual Report on Form 10-K for the fiscal year ended December 31, 2022 filed with the SEC on February 24, 2023.
Recent Accounting Pronouncements
Refer to Note 1 of the notes to condensed consolidated financial statements included in this report.
Contractual and Other Obligations
Our material cash requirements include the following contractual and other obligations.
Convertible Senior Notes
In May and June 2020, we issued $747.5 million aggregate principal amount of our 2025 convertible senior notes in a private offering. The 2025 convertible senior notes mature on June 1, 2025 and are our senior unsecured obligations. The 2025 convertible senior notes bear interest at a fixed rate of 0.50% per annum, payable semiannually in arrears on June 1 and December 1 of each year, beginning December 1, 2020. The total net proceeds from the offering, after deducting initial purchasers’ discounts and commissions and estimated debt issuance costs, were approximately $728.8 million. As of March 31,June 30, 2023, the aggregate principal amount outstanding of our 2025 convertible senior notes was $747.5 million.
In May 2018, we issued $258.8 million aggregate principal amount of our 2023 convertible senior notes in a private offering. The 2023 convertible senior notes mature on May 1, 2023 and are our senior unsecured obligations. The 2023 convertible senior notes bear interest at a fixed rate of 0.125% per annum, payable semiannually in arrears on May 1 and November 1 of each year. The total net proceeds from the offering, after deducting the initial purchasers’ discounts and estimated debt issuance costs, were approximately $250.8 million. As of March 31, 2023, after giving effect to the 2023 Note Repurchase Transactions and other settlements upon conversion requests, approximately $0.2 million aggregate principal amount of 2023 convertible senior notes remained outstanding. The 2023 convertible senior notes matured on May 1, 2023 and the remaining principle amounts were settled in a combination of cash and shares of our common stock.
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For additional information regarding the convertible senior notes, see Note 6 to the consolidated financial statements included in this report.
Leases
We have leases for offices, data centers and computer and networking equipment that expire at various dates through 2031. Our leases have remaining terms of one to eight years. Some of the leases include an option to extend the leases for up to one to five years, and some of the leases include the option to terminate the leases upon 30-days' notice. We had outstanding operating lease obligations of $59.3$57.4 million as of March 31,June 30, 2023, with $10.1$7.1 million payable in the remainder of 2023, $19.8$20.7 million payable in 2024 and 2025, $12.3$12.5 million payable in 2026 and 2027,
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and $17.1 million after 2027. We also had outstanding finance lease obligations of $2.3 million as of June 30, 2023, with $0.4 million payable in the remainder of 2023, $1.5 million payable in 2024 and 2025, and $0.4 million payable in 2026. See Note 12 to the consolidated financial statements included in this report for further details.
Cloud Services and Software and Maintenance
As of March 31,June 30, 2023, we had outstanding cloud services and software and maintenance agreement commitments totaling $46.3$78.2 million, of which $25.2$18.9 million is expected to be paid in the remainder of 2023, $17.1$45.9 million is expected to be paid in 2024, and the remaining $4.0$13.4 million is expected to be paid in 2025.
Hosting and Telecommunication Usage Services
We have agreements with third parties to provide co-location hosting and telecommunication services. The agreements require payments per month for a fixed period of time in exchange for certain guarantees of network and telecommunication availability. As of March 31,June 30, 2023, we had outstanding co-location hosting and telecommunication obligations of $15.3$16.3 million, with $5.7$3.9 million payable in the remainder of 2023, $8.4$9.9 million payable in 2024 and 2025, $1.1$2.3 million payable in 2026 and 2027, and $0.1$0.2 million payable in 2028.
Indemnification Agreements
In the ordinary course of business, we enter into agreements of varying scope and terms pursuant to which we agree to indemnify clients, vendors, lessors, business partners and other parties with respect to certain matters, including, but not limited to, losses arising out of breach of such agreements, services to be provided by us or from intellectual property infringement claims made by third parties. In addition, we have entered into indemnification agreements with our directors, officers and certain employees that will require us, among other things, to indemnify them against certain liabilities that may arise by reason of their status or service as directors, officers or employees. There are no claims that we are aware of that could have a material effect on our consolidated balance sheet, consolidated statements of operations and comprehensive loss, or consolidated statements of cash flows.
 Contingencies — Legal and Regulatory
We are subject to certain legal and regulatory proceedings, and from time to time may be involved in a variety of claims, lawsuits, investigations, and proceedings relating to contractual disputes, intellectual property rights, employment matters, regulatory compliance matters, and other litigation matters relating to various claims that arise in the normal course of business. We determine whether an estimated loss from a contingency should be accrued by assessing whether a loss is deemed probable and can be reasonably estimated. We assess our potential liability by analyzing specific litigation and regulatory matters using reasonably available information. We develop our views on estimated losses in consultation with inside and outside counsel, which involves a subjective analysis of potential results and outcomes, assuming various combinations of appropriate litigation and settlement strategies. Legal fees are expensed in the period in which they are incurred. See Note 10 to the consolidated financial statements for more details.



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ITEM 3. Quantitative and Qualitative Disclosures about Market Risk
We are exposed to market risk in the ordinary course of our business. Market risk represents the risk of loss that may impact our financial position due to adverse changes in financial market prices and rates. Our market risk exposure is primarily a result of fluctuations in interest rates and foreign currency exchange rates. We do not hold or issue financial instruments for trading purposes. For a discussion of market risk, see “Quantitative and Qualitative Disclosure about Market Risk” in Item 7A of our Annual Report on Form 10-K for the fiscal year ended December 31, 2022. Our exposure to market risk has not changed materially since December 31, 2022.
Interest Rate Sensitivity
We had cash and cash equivalents, and marketable securities (short and long-term) totaling $643.2$744.9 million as of March 31,June 30, 2023. Cash equivalents and marketable securities were invested primarily in U.S. agency and government sponsored securities, U.S. treasury securities, municipal bonds, commercial paper, corporate bonds, certificates of deposit and money market funds. Our investment policy is focused on the preservation of capital and supporting our liquidity needs. Under this policy, we invest in highly rated securities, while limiting the amount of credit exposure to any one issuer other than the U.S. government. We do not invest in financial instruments for trading or speculative purposes, nor do we use leveraged financial instruments. We utilize external investment managers who adhere to the guidelines of our investment policy. A hypothetical 100 basis point change in interest rates would not have a material impact on the value of our cash and cash equivalents or marketable investments.
As of March 31,June 30, 2023, aggregate principal amount outstanding of our 2025 convertible senior notes and 2023 convertible senior notes was $747.5 million and $0.2 million, respectively.million. The fair value of the convertible senior notes are subject to interest rate risk, market risk and other factors due to their conversion features. The fair value of the convertible senior notes will generally increase as our common stock price increases and will generally decrease as our common stock price declines. The interest and market value changes affect the fair value of the convertible senior notes but do not impact our financial position, cash flows or results of operations due to the fixed nature of the debt obligations. Additionally, we carry the convertible senior notes at face value less unamortized discount on our condensed consolidated balance sheets, and we present the fair value for required disclosure purposes only.
Our convertible senior notes bear fixed interest rates and, therefore, are not subject to interest rate risk. We have not utilized derivative financial instruments, derivative commodity instruments or other market risk sensitive instruments, positions or transactions in any material fashion, except for the privately negotiated capped call transactions entered into in May and June 2020 and May 2018 related to the issuance of our 2025 convertible senior notes and our 2023 convertible senior notes, respectively.notes.
Foreign Currency Risk
The functional currency of our foreign subsidiaries is the U.S. dollar. Our sales are primarily denominated in U.S. dollars and, therefore, our revenue is not directly subject to foreign currency risk. However, we are indirectly exposed to foreign currency risk. A stronger U.S. dollar makes our solution more expensive outside the United States and therefore can reduce demand. A weaker U.S. dollar could have the opposite effects. Such economic exposure to currency fluctuations is difficult to measure or predict because our sales are influenced by many factors in addition to the impact of currency fluctuations. Our operating expenses are generally denominated in the currencies of the countries in which our operations are located, except for Russia where compensation of our employees was primarily denominated in the U.S. dollar. In March 2022, we made a decision to close our Russia office in June 2022 and to establish a new European development center in Portugal.
Our consolidated results of operations and cash flows are, therefore, subject to fluctuations due to changes in foreign currency exchange rates and may be adversely affected in the future due to changes in foreign exchange rates. To date, we have not entered into any hedging arrangements with respect to foreign currency risk or other derivative financial instruments. During the threesix months ended March 31,June 30, 2023, the effect of a hypothetical 10% change in foreign currency exchange rates applicable to our business would have a maximum impact of $1.9$3.9 million on our operating expenses.
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ITEM 4. Controls and Procedures
Evaluation of Disclosure Controls and Procedures
Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of our disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, as of March 31,June 30, 2023.
Based on management’s evaluation, our Chief Executive Officer and Chief Financial Officer concluded that, as of March 31,June 30, 2023, our disclosure controls and procedures were designed, and were effective, to provide assurance at a reasonable level that the information we are required to disclose in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC rules and forms, and that such information is accumulated and communicated to our management as appropriate to allow timely decisions regarding required disclosures.
In designing and evaluating our disclosure controls and procedures, management recognizes that any disclosure controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives. In addition, the design of disclosure controls and procedures must reflect the fact that there are resource constraints and that management is required to apply its judgment in evaluating the benefits of possible controls and procedures relative to their costs.
Changes in Internal Control over Financial Reporting
During the three months ended March 31,June 30, 2023, there was no change in our internal control over financial reporting that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.
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PART II. OTHER INFORMATION
ITEM 1. Legal Proceedings
Information with respect to this Item may be found under the heading “Legal Matters” in Note 10 to the condensed consolidated financial statements in this Quarterly Report on Form 10-Q, which information is incorporated herein by reference.
ITEM 1A. Risk Factors
ThereExcept for the below risk factors, which updates those previously disclosed in our Annual Report on Form 10-K as filed with the SEC on February 24, 2023, there have been no material changes from the Risk Factors previously disclosed in Part 1, Item 1A, of our Annual Report on Form 10-K for the fiscal year ended December 31, 2022. In addition to the other information set forth in this report, including the below update to Risk Factors, you should carefully consider the Risk Factors discussed in our Annual Report on Form 10-K as they could materially affect our business, financial condition and future results of operation.
Further development of our AI solutions may not be successful and may result in reputational harm and our future operating results could be materially harmed.
We plan to continue to further develop and enhance our AI-powered features. While we aim for our AI-powered features to make agents more efficient and improve customer experience, our AI features may not achieve sufficient levels of accuracy or may not otherwise meet the needs of our clients. In addition, we may not be able to incorporate sufficient customer training data and such data may contain biased or otherwise inaccurate information. Furthermore, our competitors or other organizations may incorporate AI features into their products more quickly or more successfully and their AI features may achieve higher market acceptance than ours, which may result in us failing to recoup our investments in developing AI-powered features and result in lost business. Should any of these items or others occur, our ability to compete, our reputation and operating results may be materially and adversely affected.
The AI technology and features incorporated into our solution include new and evolving technologies that may present both legal and business risks.
We have incorporated a number of AI-powered features into our solution, and are making investments in expanding our AI capabilities. AI technologies are complex and rapidly evolving, and we face significant competition from other companies as well as an evolving legal and regulatory landscape. The incorporation of AI-powered features into our solution may subject us to new or enhanced governmental or regulatory scrutiny, litigation, confidentiality or security risks, ethical concerns, or other complications that could harm our business, reputation, financial condition or results of operations. Intellectual property ownership and license rights, including copyright, surrounding AI technologies has not been fully addressed by federal or state laws or by U.S. courts, and the manner in which we configure and use AI technologies may expose us to claims of copyright infringement or other intellectual property misappropriation. It is possible that new laws and regulations will be adopted in the United States and in other countries, or that existing laws and regulations will be interpreted in ways that would affect the operation of our solution and the way in which we use AI. Further, the cost to comply with such laws or regulations could be significant and would increase our operating expenses, which could harm our business, reputation, financial condition and results of operations.
Uncertainty around new and emerging AI technologies, such as generative AI, may require additional investment, development of new approaches and processes, which will be costly and increase our expenses. Large language models, or LLMs, can generate written content which contains bias, factual errors, misrepresentations, offensive language, or inappropriate statements. While we seek to use LLMs in a way that minimize this from happening, there is still risks of such events occurring. These risks could harm our business, reputation, financial condition and results of operations. In addition, the use of AI involves significant technical complexity and requires specialized expertise, and competition for specialized personnel in the AI industry is intense. Any disruption or failure in our AI systems or infrastructure could result in delays or errors in our operations, which could harm our business, reputation, financial condition and results of operations.

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The use of AI by our workforce may present risks to our business.
Our workforce is exposed to and uses AI technologies for certain tasks related to our business. We have guidelines specifically directed at the use of AI tools in the workplace, including our code of conduct, confidentiality obligations, IT internal use policies and other corporate policies. Nevertheless, our workforce may use these authorized or unauthorized tools, which poses potential risks relating to the protection of data, including cybersecurity risk, exposure of our proprietary confidential information to unauthorized recipients and the misuse of our or third-party intellectual property. Use of AI technology by our workforce even when used consistent with our guidelines, may result in allegations or claims against us related to violation of third-party intellectual property rights, unauthorized access to or use of proprietary information and failure to comply with open source software requirements. AI technology may also produce inaccurate responses that could lead to errors in our decision-making, solution development or other business activities, which could have a negative impact on our business, operating results and financial condition. Our ability to mitigate these risks will depend on our continued effective training, monitoring and enforcement of appropriate policies, guidelines and procedures governing the use of AI technology, and compliance by our workforce.




ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds
Not applicable.
ITEM 3. Defaults Upon Senior Securities
None.
ITEM 4. Mine Safety Disclosures
Not applicable.
ITEM 5. Other Information
None.Rule 10b5-1 Plans
None of the Company’s directors or officers adopted, modified, or terminated a Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement during the Company’s fiscal quarter ended June 30, 2023.
Adoption of Amended and Restated Bylaws
On August 2, 2023, the Company’s board of directors adopted amended and restated bylaws of the Company (the “Amended and Restated Bylaws”), effective immediately. The Amended and Restated Bylaws, among other things:
Address matters relating to Rule 14a-19 under the Securities Exchange Act of 1934, as amended (the “Universal Proxy Rules”), including:
Requiring that a stockholder using the Universal Proxy Rules provide evidence that it has solicited the Company’s stockholders in compliance with the Universal Proxy Rules requirements;
Requiring that a stockholder providing notice pursuant to the advance notice bylaws to inform the Company if such stockholder no longer plans to solicit proxies in accordance with the Universal Proxy Rules;
Permitting the Company to disregard, and requiring a stockholder using the Universal Proxy Rules to agree that the Company may disregard, proxies or votes if the stockholder notifies the Company that such stockholder is no longer soliciting pursuant to the Universal Proxy Rules or fails to comply with the applicable rules; and
Requiring that a stockholder intending to use the Universal Proxy Rules provide reasonable evidence of the satisfaction of the requirements under the Universal Proxy Rules at least five business days before the meeting;
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Enhance the informational and procedural requirements in connection with stockholder proposals and stockholder director nominations, including:
Requiring the proposing or nominating stockholder to disclose certain additional or expanded information, including (i) such stockholder’s interests in competitors; (ii) such stockholder’s reasons for believing that the business to be brought before the annual meeting is in the best interest of the Company and its stockholders; and (iii) information regarding related parties of such stockholder; and
Requiring a nominating stockholder to disclose additional information with respect to each nominee, including: (i) information regarding such stockholder’s relationship with and compensation paid to such nominee and his or her affiliates, associates or others acting in concert therewith; and (ii) the same or similar information as is required to be disclosed by such stockholder proponent regarding itself pursuant to the advance notice provisions in the Amended and Restated Bylaws;
Clarify that updated information will not cure advance notice deficiencies, extend deadlines or allow new proposals or nominees;
Expressly reserve the white proxy card for use by the Company’s board of directors;
Modify the provisions relating to adjournment procedures and availability of lists of stockholders entitled to vote at stockholder meetings, in each case, to reflect recent amendments to the Delaware General Corporation Law; and
Make other updates, including ministerial, clarifying and conforming changes.

The foregoing summary of the Amended and Restated Bylaws does not purport to be complete and is qualified in its entirety by reference to the complete text of the Amended and Restated Bylaws, which are attached hereto as Exhibit 3.1 and are incorporated herein by reference.

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ITEM 6. Exhibits
Exhibit
Number
Description
101.INS*XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH*XBRL Taxonomy Schema Linkbase Document
101.CAL*XBRL Taxonomy Calculation Linkbase Document
101.DEF*XBRL Taxonomy Definition Linkbase Document
101.LAB*XBRL Taxonomy Labels Linkbase Document
101.PRE*XBRL Taxonomy Presentation Linkbase Document
104Cover Page Interactive Data File. Formatted as inline XBRL and contained in Exhibit 101.
Ø Previously filed.
+ Indicates management contract or compensatory plan.
* Filed herewith.
** Furnished herewith.



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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
Five9, Inc.
Date:May 4,August 7, 2023 By:/s/ Michael Burkland
Michael Burkland
Chief Executive Officer
(Principal Executive Officer)
/s/ Barry Zwarenstein
Barry Zwarenstein
Chief Financial Officer
(Principal Financial Officer)
/s/ Leena Mansharamani
Leena Mansharamani
Chief Accounting Officer
(Principal Accounting Officer)

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