SUPN Supernus Pharmaceuticals

Filed: 4 May 21, 8:00pm

Washington, D.C. 20549
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): May 4, 2021
Supernus Pharmaceuticals, Inc.
(Exact name of registrant as specified in its charter)
(State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)
9715 Key West AveRockvilleMD20850
(Address of Principal Executive Offices)(Zip Code)
Registrant’s telephone number, including area code: (301) 838-2500
Not Applicable
(Former name or former address, if changed since last report.)

  Securities registered pursuant to Section 12(b) of the Exchange Act
Title of each classTrading SymbolName of each exchange on which registered
Common Stock, $0.001 par value per shareSUPNThe Nasdaq Global Market

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
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.

Item 8.01                                           Other Events.

On May 4, 2021, Supernus Pharmaceuticals, Inc. (the “Company”) issued a press release announcing that Newron Pharmaceuticals S.p.A. (“Newron”) received a Paragraph IV Notice Letter (“Notice Letter”) from Aurobindo Pharma Limited, India and its wholly owned subsidiary Aurobindo Pharma USA Inc. (collectively “Aurobindo”) , advising Newron of the filing by Aurobindo of an Abbreviated New Drug Application to the U.S. Food and Drug Administration (“FDA”) seeking approval for safinamide tablets. The Notice Letter is directed to the three XADAGO patents with U.S. patent numbers 8,076,515, 8,278,485 and 8,283,380, that expire between June 2027 and December 2028 and are listed in the FDA's publication, Approved Drug Products with Therapeutic Equivalence Evaluations, commonly referred to as the Orange Book. The Company has a license agreement with Zambon S.p.A., Newron’s partner, related to the XADAGO Patents, and as a new chemical entity, XADAGO is under the 5 year FDA exclusivity period that expires on March 21, 2022. The Company is currently reviewing the details of this Notice Letter with its partners to respond as appropriate to protect the intellectual property rights relating to XADAGO. A copy of this press release is furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

Item 9.01                                          Financial Statements and Exhibits.
(d)                                Exhibits
     Exhibit 99.1 — Press Release Dated May 4, 2021, furnished as an Exhibit pursuant to Item 8.01 hereof.
Exhibit 104 — The cover page from this Current Report on Form 8-K, formatted in Inline XBRL.


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 hereunto duly authorized. 
DATED: May 4, 2021By:/s/ James P. Kelly
  James P. Kelly
Executive Vice-President and Chief Financial Officer