UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

Filed by the Registrant  ☒                              Filed by a Party other than the Registrant  ☐

Check the appropriate box:

Apogee Enterprises, Inc.

(Name of Registrant as Specified In Its Charter)

Not Applicable

(Name of Person(s) Filing Proxy Statement if other than the Registrant)

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4400 West 78th Street, Suite 520 Minneapolis, Minnesota 55435		May 7, 2020 Notice of 2022 Annual Meeting of Shareholders

Dear Shareholder:Wednesday, June 22, 2022

You are cordially invited to attend the 20208:00 a.m. Central Time

The 2022 Annual Meeting of Shareholders of Apogee Enterprises, Inc. to be held at Apogee’s headquarters, 4400 West 78th Street, Suite 520, Minneapolis, Minnesota, commencing at 8:00 a.m. Central Daylight Time on Wednesday, June 24, 2020. The Corporate Secretary’s formal notice of the meeting and the proxy statement appear on the following pages and describe the matters to come before the meeting. You may be required to present a valid government-issued picture identification and proof of stock ownership in order to attend the meeting. If you hold stock through a broker, bank, trust or other nominee, you may be required to present a copy of a statement reflecting your stock ownership as of the record date.

Even if you plan to attend the meeting, we urge you to vote your shares by Internet, telephone, or mail as promptly as possible so your shares will be represented at the meeting. Instructions on voting your shares are on the Notice of Internet Availability of Proxy Materials you received for the annual meeting. If you received paper copies of our proxy materials, instructions on the three ways to vote your shares can be found on the enclosed proxy form. Internet and telephone voting facilities for shareholders of record will be available 24 hours a day and will close at 11:59 p.m. Eastern Daylight Time (10:59 p.m. Central Daylight Time) on June 23, 2020. If you attend the meeting in person and you are a shareholder of record, you may at that time revoke any proxy previously given and vote in person, if desired.

Sincerely,

TABLE OF CONTENTS

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SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERSSecurity Ownership of Certain Beneficial Owners

The following table sets forth information concerning beneficial ownership of our common stock outstanding as of May 4, 2020,April 25, 2022, by persons known to us to own more than 5% of our common stock. Unless otherwise indicated, the named holders have sole voting and investment power with respect to the shares beneficially owned by them. As of April 25, 2022, there were 22,196,448 shares of common stock outstanding.

SECURITY OWNERSHIP OF DIRECTORS AND MANAGEMENTSecurity Ownership of Directors and Management

TheExcept as otherwise noted, the following table sets forth the number of shares of our common stock beneficially owned as of May 4, 2020,April 25, 2022, by each of our directors, each of our executive officers named in the Summary Compensation Table (our “Named Executive Officers”) and by all of our current directors and executive officers as a group.

Amount and Nature As of Beneficial OwnershipApril 25, 2022, there were 22,196,448 shares of common stock outstanding.

* Indicates less than 1%.

PROPOSALDelinquent Section 16(a) Reports

Section 16(a) of the Securities Exchange Act of 1934 requires our directors, officers and all persons who beneficially own more than 10% of the outstanding shares of our common stock to file with the SEC initial reports of ownership and reports of changes in ownership of our common stock. Section 16(a) officers, directors and greater than 10% beneficial owners are also required to furnish us with copies of all Section 16(a) forms they file. Based solely on a review of Section 16(a) reports filed electronically with the SEC and written representations from certain reporting persons, we believe that all forms required to be filed by such persons under Section 16(a) were filed on a timely basis, with the exception of one late filing for Mr. Gupta reporting the withholding of shares as payment of tax liability in connection with vesting of restricted stock.

Proposal 1: ELECTION OF DIRECTORSElection of Directors

Our Articles provide that our Board of Directors will be divided into three classes of directors of as nearly equal size as possible and the term of each class of directors is three years. Our Articles further provide that the total number of directors will be determined exclusively by our Board of Directors. The term of one class expires each year in rotation. Currently, we have nine directors, with three directors serving in each class. At our Annual Meeting, the terms of our three Class IIII directors will expire. Currently, we have ten directors, with three directors serving in each of Classes I

Frank G. Heard, Elizabeth M. Lilly and II and four directors serving in Class III.

Lloyd E. Johnson, DonaldMark A. Nolan and Patricia K. WagnerPompa have been nominated forre-election to our Board as Class IIII directors. Class IIII directors elected at the Annual Meeting will serve until our 20232025 Annual Meeting of Shareholders and until their successors are duly elected and qualified or until their earlier resignation or removal. Each of the nominees has agreed to serve as a director, if elected.

Each of the nominees has consented to be named as a nominee to the Board in this proxy statement, and we have no reason to expect that any of the nominees will fail to be a candidate at the Annual Meeting. Therefore, we have not identified any substitute nominee or nominees at this time. If any of the nominees should bebecomes unable or unwilling to serve as a director prior to the Annual Meeting, proxies will be voted for a substitute nominee or nominees in accordance withdesignated by the best judgmentBoard. Alternatively, at the Board’s discretion, the proxies may be voted for a fewer number of the person or persons named as proxies in the enclosed proxy card.nominees.

Information about the background and qualifications of the Board nominees for election at the Annual Meeting and the directors continuing to serve after the Annual Meeting who are not subject tore-election at the Annual Meeting is provided below. All of our directors possess the minimum qualities and skills described under “Criteria for Membership on Our

Board of Directors” on page 18.

Required Vote and Recommendation

In accordance with Section 5.02 of the Company’s Articles of Incorporation, a director nominee will be elected only if he or she receives a majority of the votes cast with respect to his or her election in an uncontested election, that is, the number of shares voted “for” that nominee exceeds the number of shares cast “against” that nominee. A vote to “abstain” will not have an effect on the determination of the election results.

Our Board of Directors recommends that you vote FOR the three Class IIII director nominees. Unless authority for one or more ofa contrary instruction is indicated on the nominees is withheld,proxy, proxies will be voted FOR the election of the three Class IIII director nominees.

Class III Director Nominees As – Terms Expiring in 2025

Mr. Heard served as Chief Executive Officer of Gibraltar Industries, Inc., a leading manufacturer and distributor of building products for the renewable energy, conservation, residential, industrial and infrastructure markets, from 2015 to 2019. He served as a director at Gibraltar Industries from 2015 to 2020, including as Vice Chair of the Board from 2019 to 2020. Prior to joining Gibraltar Industries in 2014 as President and Chief Operating Officer, he served as President of the Building Components Group, a division of Illinois Tool Works, Inc., from 2008 to 2013 and in various executive management roles for Illinois Tool Works from 1990 to 2008.

		Elizabeth M. Lilly Age: 59 Director since: 2020 Independent		Apogee Committees: •  Compensation •  Nominating and Corporate Governance

Ms. Lilly has served as Chief Investment Officer and Executive Vice President for The Pohlad Companies, a privately-owned business based in Minneapolis, Minnesota that holds a diverse group of businesses and business interests, since 2018. She oversees the public and private investments for the Pohlad family and provides leadership and management of the investment team of The Pohlad Companies. Ms. Lilly has over 30 years in portfolio and investment management experience. She founded Crocus Hill Partners, a small capitalization portfolio firm, in 2017 and served as its President from 2017 to 2018. She served as Senior Vice President and Portfolio Manager for Gabelli Asset Management from 2002 to 2017. She was a co-founder of Woodland Partners, LLC in 1997 and served as Managing Director from 1997 to 2002, when the firm was acquired by Gabelli Asset Management. Earlier in her career, Ms. Lilly served in various portfolio management and analyst positions for First Asset Management, Fund American Companies and Goldman, Sachs and Company.

Class III Director Nominees – Terms Expiring in 2025 (continued)

		Mark A. Pompa Age: 57 Director since: 2018 Independent Audit Committee Financial Expert		Apogee Committees: •  Audit •  Compensation

Mr. Pompa has served as the Executive Vice President and Chief Financial Officer of EMCOR Group, Inc., a Fortune 500 leader in electrical and mechanical construction services, industrial and energy infrastructure and building services, since 2006. Previously, he was Senior Vice President and Chief Accounting Officer of EMCOR from 2003 to 2006 and Treasurer from 2003 to 2007. He joined EMCOR in 1994, serving as Vice President and Controller until 2003. Prior to joining EMCOR, Mr. Pompa was an Audit and Business Advisory Manager at Arthur Andersen LLP.

Class I Directors – Term Expiring in 2023

		Lloyd E. Johnson   Age:6668   Director since:2017   Independent   Audit Committee Financial Expert				Apogee Committees: •  Audit, Chair		Public Directorships: •  Haemonetics (2021 – Present) •  Beazer Homes (2021 – Present)
Mr. Johnson

Mr. L. Johnson was the Global Managing Director, Finance and Internal Audit of Accenture Corporation, a global management consulting and professional services firm providing strategy, consulting, digital technology and operations services, from 2004 to 2015. Prior to joining Accenture Corporation, he served as Executive Director, M&A and General Auditor for Delphi Automotive PLC, a vehicle components manufacturer, from 1999 to 2004. From 1997 to 1999, he served as Corporate Vice President, Finance and Chief Audit Executive for Emerson Electric Corporation, a diversified global manufacturing company serving industrial, commercial and consumer markets. Earlier in his career, he held senior finance leadership roles at Sara Lee Knit Products, a division of Sara Lee Corporation; Shaw Food Industries, a privately-held food service supply company; and Harper, Wiggins & Johnson, CPA, a regional accounting firm. Mr. L. Johnson began his career with Coopers & Lybrand, a global accounting firm that became part of PricewaterhouseCoopers, a global accounting firm.

Class I Directors – Term Expiring in 2023 (Continued)

		Donald A. Nolan   Age:5961   Director since:2013   Independent   Non-Executive Chair     since January 2020 Audit Committee Financial Expert				Apogee Committees: •  Ad hoc Member – all Board Committees

Mr. Nolan served as President and Chief Executive Officer of Kennametal Inc., a global industrial technology leader, present in over 60 countries, manufacturing tooling and wear-resistant solutions for customers in the aerospace, energy, and transportation industries from 2014 to 2016. Previously, Mr. Nolan was President of the Materials Group for Avery Dennison Corporation from 2008 to 2014, a global leader in packaging solutions. Prior to joining Avery Dennison Corporation, he served on the executive team at Valspar, a global leader in paint and coatings, as Senior Vice President, leading the Global Packaging and Refinish Coatings businesses. Before joining Valspar, he held leadership positions of increasing responsibility with Loctite, General Electric and Ashland Chemical. Mr. Nolan is also active in private equity, serving on several private company boards.

Public Directorships:

•  Kennametal Inc.
(2014 – 2016)

Class II DirectorsDirector Nominees – Terms Expiring 2021 (continued)2024

		Herbert K. ParkerChristina M. Alvord   Age:6255   Director since: 2018 Independent Audit Committee Financial Expert				Apogee Committees: •  Nominating and Corporate Governance		Public Directorships: •  TriMas Corporation (2015 – Present) •  nVent Electric plc (2018 – Present) •  American Axle & Manufacturing Holdings, Inc. (2018 – Present)
Mr. Parker is the retired Executive Vice President – Operation Excellence of Harman International Industries, Inc., a worldwide leader in the development, manufacture, and marketing of high quality, high-fidelity audio products, lighting solutions, and electronic systems. He joined Harman International in June 2008 as Executive Vice President and Chief Financial Officer and served in that capacity to 2015. He served as Executive Vice President – Operation Excellence from 2015 to 2017. Prior to joining Harman International Industries, Inc., Mr. Parker served in various senior financial positions with ABB Ltd. (known as ABB Group), a global power and technology company, from 1980 to 2006, including as the Chief Financial Officer of the Global Automation Division from 2002 to 2005 and the Americas Region from 2006 to 2008.						Skills & Qualifications: •  Executive Leadership •  Accounting and Audit •  Financial Management •  Mergers and Acquisitions •  Property and Asset Acquisition and Management •  Investor Relations •  Operations •  Enterprise Risk Management •  Sarbanes-Oxley Compliance •  International Business •  Leadership Development •  Corporate Governance •  Public Company Board Experience

		Joseph F. Puishys     Age:61 Director since:2011 Not Independent Chief Executive Officer and President				Apogee Committees: •  N/A		Public Directorships: •  Arctic Cat, Inc. (2013 – 2017)
Mr. Puishys has served as our Chief Executive Officer and President since August 2011. Prior to joining our Company, he served in various leadership positions at Honeywell International, Inc., a Fortune 100 diversified technology and manufacturing company, for over 32 years. He served as President of Honeywell Environment & Combustion Controls from 2008 to 2011; President of Honeywell Building Solutions from 2005 to 2008; President of Honeywell Building Solutions, America from 2004 to 2005; President of Bendix Friction Materials from 2002 to 2004; Vice President and General Manager of Garrett Engine Boosting Systems from 2000 to 2002; Vice President and General Manager, Aftermarket, Allied Signal Turbocharging Systems from 1996 to 2000; Vice President, Logistics, Allied Signal Automotive Products Group from 1992 to 1996; and various accounting and financial positions from 1979 to 1992.						Skills & Qualifications: •  Executive Leadership •  Financial Management •  Commercial Building Industry •  Commercial Construction Industry •  Strategy Development and Execution •  Manufacturing Operations •  Sales •  Business Operations •  Leadership Development •  International Operations •  Corporate Governance •  Public Company Board Experience

Class II Director Nominees – Terms Expiring 2024 (continued)

		Ty R. Silberhorn Age: 54 Director since: 2021 Not Independent Chief Executive Officer     and President		Apogee Committees: •  N/A

Mr. Silberhorn has served as our Chief Executive Officer and President since January 2021. Prior to joining our Company, he served for over twenty years in various roles for 3M, a diversified global manufacturer and technology company, most recently as Senior Vice President of 3M’s Transformation, Technology and Services from 2019 to 2020. Prior to this position, and since 2001, he held several 3M global business unit leadership roles, serving as Vice President and General Manager for divisions within Safety & Industrial, Transportation & Electronics, and Consumer business groups.

CORPORATE GOVERNANCECorporate Governance

Our Board is committed to high standards of corporate governance and ethical business conduct. The following corporate governance resources reflect this commitment and provide a framework within which directors and management operate the business.

Corporate Governance Resources

Information related to our corporate governance is available on our website atwww.apog.com by clicking on “Investors,” selecting “Governance” and then selecting the applicable document or information. This information includes:

Information relating to our management team is also available on our website atwww.apog.com by clicking on “About Us” and then selecting “Leadership.”

We will provide copies of any of the foregoing information without charge upon written request to: Corporate Secretary, Apogee Enterprises, Inc., 4400 West 78th Street, Suite 520, Minneapolis, Minnesota 55435.

Certain sections of this Proxy Statement reference or refer you to materials posted on our website,www.apog.com. www.apog.com. These materials and our website are not incorporated by reference in, and are not part of this Proxy Statement.

Code of Business Ethics and Conduct

Our Board of Directors has adopted our Code of Business Ethics and Conduct (our “Code of Conduct”), which is a statement of our high standards for ethical behavior and legal compliance. All of our employees and all members of our Board of Directors are required to comply with our Code of Conduct.

Corporate Governance Guidelines

Our Corporate Governance Guidelines outline the role, composition, qualifications, operation and other policies applicable to our Board of Directors and are revised as necessary to continue to reflect evolving corporate governance practices.

Communications with Our Board of Directors

Our stakeholders may communicate directly with our Board of Directors, our Non-Executive Chair or any other specified individual director in writing by (i) sending a letter addressed to Apogee Directors, Apogee Enterprises, Inc., 4400 West 78th Street, Suite 520, Minneapolis, Minnesota 55435, or (ii) sending an email to Directors@apog.com. Substantive communications, such as corporate

governance matters or potential issues relating to accounting, internal controls or other auditing matters, are forwarded by our General Counsel to the relevant director(s) as appropriate. Communications not requiring the substantive attention of our Board, such as employment inquiries, sales solicitations, donation requests, questions about our products, and other such matters, are handled directly by our management team.

Director Independence

Under our Corporate Governance Guidelines, a substantial majority of the directors on our Board, and all members of our Audit, Compensation, and Nominating and Corporate Governance Committees (collectively, the “Committees”) must be independent. Each year, in accordance with NASDAQNasdaq rules, our Board of Directors affirmatively determines the independence of each director and nominee for election as a director in accordance with guidelines it has adopted, which include all elements of independence set forth in the NASDAQNasdaq listing standards.standards and applicable SEC rules.

each proposed nominee, based upon resume and biographical information, willingness to serve and other background information, business experience and leadership skills. TheOur Board believes that its membership should reflect a diversity of experience, skills, geography, gender, race and ethnicity.ethnicity, and invites directors to annually self-identify certain diversity characteristics that may inform their perspectives and contributions to the Board. The Committee considers each of these factors when evaluating our Board composition, and it considers these factors on an ongoing basis as it identifies and evaluates director candidates. All director candidates who continue in the process are then interviewed by members of our Nominating and Corporate Governance Committee and other current directors. Our Nominating and Corporate Governance Committee makes recommendations to our Board of Directors for inclusion in the slate of director nominees at a meeting of shareholders, or for appointment by our Board of Directors to fill a vacancy. Prior to recommending a director to stand forre-election for another term, our Nominating and Corporate Governance Committee applies its director candidate selection criteria, including a director’s past contributions to our Board of Directors, effectiveness as a director and desire to continue to serve as a director.

Board Diversity Matrix

The table below provides self-identified diversity statistics for our Board members as of April 25, 2022. Each of the categories listed in the table below has the meaning as it is used in Nasdaq Rule 5605(f).