UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 24, 2021

Supernus Pharmaceuticals, Inc.

(Exact name of registrant as specified in its charter)

Delaware

001-35518

20-2590184

(State or other jurisdiction of

incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

9715 Key West Ave

Rockville

20850

(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 class	Trading Symbol	Name of each exchange on which registered
Common Stock, $0.001 par value per share	SUPN	The Nasdaq Stock Market LLC

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)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ 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 November 24, 2021, Supernus Pharmaceuticals, Inc. (the “Company”) issued a press release regarding a recent ransomware incident. The incident had no significant impact on the Company’s business and did not cause any serious disruption to the Company’s operations. A copy of the press release is filed as Exhibit 99.1 hereto, and the text of such press release is incorporated herein by reference.

Item 9.01

Financial Statements and Exhibits.

(d) Exhibits

Exhibit	Description

99.1	Press Release dated November 24, 2021.

104	Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document).

SIGNATURE

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.

Date: November 24, 2021	By:	/s/ Timothy C. Dec
	Name:	Timothy C. Dec
	Title:	Senior Vice President and Chief Financial Officer