SUPN / Supernus Pharmaceuticals, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Supernus Pharmaceuticals, Inc.
US ˙ NasdaqGM ˙ US8684591089

Mga Batayang Estadistika
LEI 549300GRM36VBKISYJ58
CIK 1356576
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Supernus Pharmaceuticals, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 5, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 June 30, 2025 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

August 5, 2025 EX-10.1

Fifth Amendment to the Amended and Restated Employment Agreement, dated July 10, 2025, by and between the Registrant and Jack Khattar

fifthamendmenttotheamend 53116404.6 FIFTH AMENDMENT TO THE AMENDED AND RESTATED EMPLOYMENT AGREEMENT This FIFTH AMENDMENT TO THE AMENDED AND RESTATED EMPLOYMENT AGREEMENT (the “Fifth Amendment”) is made as of July 10, 2025 (the “Effective Date”) by and between Supernus Pharmaceuticals, Inc. a Delaware corporation (the “Company”), and Jack Khattar (the “Executive”). In consideration of the mutual c

August 5, 2025 EX-10.2

Form of Amended and Restated Executive Retention Agreement, dated June 6, 2025

formofamendedandrestated 55081614.3 AMENDED AND RESTATED EXECUTIVE RETENTION AGREEMENT THIS AMENDED AND RESTATED EXECUTIVE RETENTION AGREEMENT (this “Agreement”) is made and entered into this 6 day of June, 2025 (the “Effective Date”) by and between Supernus Pharmaceuticals, Inc., a Delaware corporation (the “Company”), and [•] (the “Executive”). 1. Definitions. Capitalized terms used in this Agre

August 5, 2025 EX-99.1

Supernus Announces Second Quarter 2025 Financial Results

Exhibit 99.1 Supernus Announces Second Quarter 2025 Financial Results •Net sales of Qelbree® increased 31% in the second quarter of 2025, compared to the same period in 2024. ◦Net sales of Qelbree of $77.6 million and $142.3 million in the second quarter and first six months of 2025, respectively. •Net sales of GOCOVRI® increased 16% in the second quarter of 2025, compared to the same period in 20

August 5, 2025 8-K

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): August 5, 2025 Supernus Pharmaceu

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): August 5, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

August 4, 2025 8-K

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): June 16, 2025 Supernus Pharmaceut

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): June 16, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

July 31, 2025 EX-99.1

Supernus Pharmaceuticals Completes Acquisition of Sage Therapeutics Acquisition strengthens Supernus’ leading presence in neuropsychiatric conditions with an innovative commercial product, ZURZUVAE® (zuranolone), and a novel CNS discovery platform, a

Exhibit 99.1 Supernus Pharmaceuticals Completes Acquisition of Sage Therapeutics Acquisition strengthens Supernus’ leading presence in neuropsychiatric conditions with an innovative commercial product, ZURZUVAE® (zuranolone), and a novel CNS discovery platform, accelerating mid- to long-term revenue and cash flow growth and further diversifying revenue base ROCKVILLE, Md., July 31, 2025 – Supernus

July 31, 2025 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) SAGE THERAPEUTICS, INC. (Name of Subject Company (I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) SAGE THERAPEUTICS, INC. (Name of Subject Company (Issuer)) SAPHIRE, INC. (Offeror) A Wholly Owned Subsidiary of SUPERNUS PHARMACEUTICALS, INC. (Parent of Offeror) (Names of Filing Persons) Common Stock

July 31, 2025 8-K

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): July 30, 2025 Supernus Pharmaceut

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): July 30, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

July 31, 2025 EX-10.1

Exhibit 10.1 — Contingent Value Rights Agreement, dated as of July 30, 2025, by and among Supernus Pharmaceuticals, Inc. and Equiniti Trust Company, LLC

Exhibit 10.1 CVR AGREEMENT THIS CVR AGREEMENT (“Agreement”) is made and entered into as of July 30, 2025, by and between: Supernus Pharmaceuticals, Inc., a Delaware corporation (“Parent”) and Equiniti Trust Company, LLC, a New York limited liability trust company, as Rights Agent (as defined herein). Capitalized terms used but not defined herein shall have the meanings assigned to such terms in th

July 28, 2025 EX-99.(A)(5)(C)

Press Release issued by Supernus Pharmaceuticals, Inc. on July 28, 2025.

Exhibit 99.(a)(5)(C) Supernus Pharmaceuticals Announces Expiration of Hart-Scott-Rodino Waiting Period for Sage Therapeutics, Inc. Tender Offer ROCKVILLE, Md., July 28, 2025 - Supernus Pharmaceuticals, Inc., a Delaware corporation (NASDAQ: SUPN) ("Supernus", and the "Company"), today announced that the required waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amend

July 28, 2025 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(l) or 13(e)(l) of the Securities Exchange Act of 1934 (Amendment No. 1) SAGE THERAPEUTICS, INC. (Name of Subject Company (I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(l) or 13(e)(l) of the Securities Exchange Act of 1934 (Amendment No. 1) SAGE THERAPEUTICS, INC. (Name of Subject Company (Issuer)) SAPHIRE INC. (Offeror) A Wholly Owned Subsidiary of SUPERNUS PHARMACEUTICALS, INC. (Parent of Offeror) (Names of Filing Persons) Common Stock

July 22, 2025 8-K

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): July 22, 2025 Supernus Pharmaceut

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): July 22, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

July 22, 2025 EX-99.1

Supernus Pharmaceuticals to Announce Second Quarter 2025 Financial Results and Host Conference Call and Webcast on August 5, 2025

Exhibit 99.1 Supernus Pharmaceuticals to Announce Second Quarter 2025 Financial Results and Host Conference Call and Webcast on August 5, 2025 ROCKVILLE, Md., July 22, 2025 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company expect

July 2, 2025 EX-FILING FEES

Filing Fee Table.*

Calculation of Filing Fee Tables Table 1: Transaction Valuation Transaction Valuation Fee Rate Amount of Filing Fee Fees to be Paid 1 $ 607,928,005.

July 2, 2025 EX-99.(A)(1)(C)

Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.*

 Exhibit (a)(1)(C) Offer to Purchase All Outstanding Shares of Common Stock of SAGE THERAPEUTICS, INC.

July 2, 2025 EX-99.(D)(3)

Mutual Non-Disclosure Agreement, dated January 24, 2025, by and among Supernus Pharmaceuticals, Inc. and Sage Therapeutics, Inc.*

Exhibit 99.(d)(3) 4985741v1 MUTUAL NON-DISCLOSURE AGREEMENT This MUTUAL NON-DISCLOSURE AGREEMENT is made and entered into as of January 24, 2025 (the “Effective Date”), between Sage Therapeutics, Inc. (“SAGE”), with offices at 55 Cambridge Parkway, Cambridge, MA, and Supernus Pharmaceuticals, Inc. (“Supernus”), with offices at 9715 Key West Avenue, Rockville, MD 20850. SAGE and Supernus may be ref

July 2, 2025 EX-99.(A)(1)(E)

Summary Advertisement, published in the

 Exhibit (a)(1)(E) This announcement is neither an offer to purchase nor a solicitation of an offer to sell Shares (as defined below).

July 2, 2025 SC TO-T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 SAGE THERAPEUTICS, INC. (Name of Subject Company (Issuer)) Saphire, I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 SAGE THERAPEUTICS, INC. (Name of Subject Company (Issuer)) Saphire, Inc. (Offeror) A Wholly Owned Subsidiary of SUPERNUS PHARMACEUTICALS, INC. (Parent of Offeror) Common Stock par value $0.0001 per share (Title of Class

July 2, 2025 EX-99.(D)(2)

Form of Contingent Value Rights Agreement.*

Exhibit 99.(d)(2) CONFIDENTIAL ANNEX III FORM OF CVR AGREEMENT THIS CVR AGREEMENT (“Agreement”) is made and entered into as of [●], 2025, by and between: Supernus Pharmaceuticals, Inc., a Delaware corporation (“Parent”) and [Rights Agent], a [●], as Rights Agent (as defined herein). Capitalized terms used but not defined herein shall have the meanings assigned to such terms in the Merger Agreement

July 2, 2025 EX-99.(A)(1)(A)

Offer to Purchase, dated July 2, 2025.*

TABLE OF CONTENTS  Exhibit (a)(1)(A) Offer to Purchase All Outstanding Shares of Common Stock of SAGE THERAPEUTICS, INC.

July 2, 2025 EX-99.(D)(4)

Confidentiality Agreement, dated February 5, 2025, by and among Supernus Pharmaceuticals, Inc. and Sage Therapeutics, Inc.*

Exhibit 99.(d)(4) CONFIDENTIAL February 5, 2025 Supernus Pharmaceuticals, Inc. 9715 Key West Avenue Rockville, MD 20850 Re: Confidentiality Agreement Supernus Pharmaceuticals, Inc. (referred to herein as “you or your”) has requested certain Evaluation Material (as defined below) from Sage Therapeutics, Inc. (together with its subsidiaries, the “Company”) in connection with the evaluation, negotiat

July 2, 2025 EX-99.(A)(1)(B)

Letter of Transmittal (including Guidelines for Certification of Taxpayer Identification Number on IRS Form W-9).*

 Exhibit (a)(1)(B) Letter of Transmittal to Tender Shares of Common Stock of SAGE THERAPEUTICS, INC.

July 2, 2025 EX-99.(A)(1)(D)

Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.*

 Exhibit (a)(1)(D) Offer to Purchase All Outstanding Shares of Common Stock of SAGE THERAPEUTICS, INC.

June 17, 2025 8-K

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): June 16, 2025 Supernus Pharmaceut

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): June 16, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

June 16, 2025 EX-2.1

Agreement and Plan of Merger, dated June 13, 2025, by and among Supernus Pharmaceuticals, Inc., Saphire, Inc. and Sage Therapeutics, Inc. (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K filed by Supernus Pharmaceuticals, Inc. on June 16, 2025 (File No. 001-36544)).

Exhibit 2.1 EXECUTION VERSION AGREEMENT AND PLAN OF MERGER among: Sage Therapeutics, Inc., a Delaware corporation; Supernus Pharmaceuticals, Inc., a Delaware corporation; and Saphire, Inc., a Delaware corporation Dated as of June 13, 2025 Table of Contents Section 1 THE OFFER 1.1 The Offer 2 1.2 Company Actions 5 Section 2 MERGER TRANSACTION 2.1 Merger of Purchaser into the Company 6 2.2 Effect of

June 16, 2025 SC TO-C

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): June 13, 2025 Supernus Pharmaceut

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): June 13, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

June 16, 2025 EX-99.1

Joint Press Release issued by Supernus and Sage on June 16, 2025 (incorporated by reference to Exhibit 99.1 to the Schedule TO-C filed by Supernus on June 16, 2025).

Exhibit 99.1 Supernus Pharmaceuticals to Acquire Sage Therapeutics, Strengthening its Neuropsychiatry Product Portfolio § Proposed acquisition expected to accelerate mid- to long-term revenue and cash flow growth and further diversify revenue base. § Strengthens Supernus’ leading presence in neuropsychiatric conditions with an innovative commercial product, ZURZUVAE® (zuranolone), and a novel CNS

June 16, 2025 EX-99.(A)(5)(C)

Transcript of Supernus Inc. Investor Presentation on June 16, 2025.

Exhibit 99.(a)(5)(c) Transcript of Supernus Inc. Investor Presentation on June 16, 2025. Operator: Good morning, everyone and welcome to Supernus Business Update Conference Call. At this time, all participants are in a listen-only mode. Later, we will conduct a question-and-answer session. Instructions will follow at that time. As a reminder, this conference call is being recorded. I would now lik

June 16, 2025 EX-99.2

© 2025 Supernus Pharmaceuticals, Inc. All Rights Reserved. Acquisition of Sage Therapeutics, Inc. June 16, 2025 ©2025 Supernus Pharmaceuticals, Inc. All Rights Reserved. 2 This presentation and other matters discussed today or answers that may be giv

Exhibit 99.2 © 2025 Supernus Pharmaceuticals, Inc. All Rights Reserved. Acquisition of Sage Therapeutics, Inc. June 16, 2025 ©2025 Supernus Pharmaceuticals, Inc. All Rights Reserved. 2 This presentation and other matters discussed today or answers that may be given to questions asked include forward - looking statements within the meaning of the federal securities laws. These statements, among oth

June 16, 2025 EX-2.1

Exhibit 2.1* — Agreement and Plan of Merger, dated as of June 13, 2025, by and among Supernus Pharmaceuticals, Inc., Sage Therapeutics, Inc. and Saphire Inc.

Exhibit 2.1 EXECUTION VERSION AGREEMENT AND PLAN OF MERGER among: Sage Therapeutics, Inc., a Delaware corporation; Supernus Pharmaceuticals, Inc., a Delaware corporation; and Saphire, Inc., a Delaware corporation Dated as of June 13, 2025 Table of Contents Section 1 THE OFFER 1.1 The Offer 2 1.2 Company Actions 5 Section 2 MERGER TRANSACTION 2.1 Merger of Purchaser into the Company 6 2.2 Effect of

June 16, 2025 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

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): June 13, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

June 16, 2025 SC TO-C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 SAGE THERAPEUTICS, INC. (Name of Subject Company (Issuer)) Saphire, I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 SAGE THERAPEUTICS, INC. (Name of Subject Company (Issuer)) Saphire, Inc. (Offeror) a wholly-owned subsidiary of SUPERNUS PHARMACEUTICALS, INC. (Parent of Offeror) (Names of Filing Persons) Common Stock par value $0.0001

June 16, 2025 EX-99.1

Supernus Pharmaceuticals to Acquire Sage Therapeutics, Strengthening its Neuropsychiatry Product Portfolio

Exhibit 99.1 Supernus Pharmaceuticals to Acquire Sage Therapeutics, Strengthening its Neuropsychiatry Product Portfolio § Proposed acquisition expected to accelerate mid- to long-term revenue and cash flow growth and further diversify revenue base. § Strengthens Supernus’ leading presence in neuropsychiatric conditions with an innovative commercial product, ZURZUVAE® (zuranolone), and a novel CNS

June 16, 2025 EX-99.2

Investor Presentation issued by Supernus on June 16, 2025 (incorporated by reference to Exhibit 99.2 to the Schedule TO-C filed by Supernus on June 16, 2025).

Exhibit 99.2 © 2025 Supernus Pharmaceuticals, Inc. All Rights Reserved. Acquisition of Sage Therapeutics, Inc. June 16, 2025 ©2025 Supernus Pharmaceuticals, Inc. All Rights Reserved. 2 This presentation and other matters discussed today or answers that may be given to questions asked include forward - looking statements within the meaning of the federal securities laws. These statements, among oth

June 16, 2025 EX-99.(A)(5)(D)

Note to Sage Employees sent on June 16, 2025.

Exhibit 99.(a)(5)(d) June 16, 2025 Dear Colleagues, Today’s announcement marks a historic milestone in the treatment of postpartum depression (PPD). Supernus and Sage agreed to unite to continue the fight against a condition that ails millions of women worldwide. You have our commitment that we will continue the incredible work that you started by creating Zurzuvae® and making it available to wome

May 28, 2025 8-K

Financial Statements and Exhibits, Other Events

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): May 22, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or organ

May 28, 2025 EX-99.1

Supernus Announces Paragraph IV ANDA Filings for Qelbree®

Exhibit 99.1 Supernus Announces Paragraph IV ANDA Filings for Qelbree® ROCKVILLE, MD, May 28, 2025 – Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company received Paragraph IV Notice Letters from third parties notifying Supernus that

May 6, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): May 6, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or organi

May 6, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2025 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

May 6, 2025 EX-99.1

Supernus Announces First Quarter 2025 Financial Results

Exhibit 99.1 Supernus Announces First Quarter 2025 Financial Results •First quarter 2025 net sales of Qelbree® increased 44% to $64.7 million, compared to the same period in 2024. •First quarter 2025 net sales of GOCOVRI® increased 16% to $30.7 million, compared to the same period in 2024. •First quarter 2025 total revenues increased 4% to $149.8 million, compared to the same period in 2024. First

April 30, 2025 DEF 14A

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

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: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

April 30, 2025 DEFA14A

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

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 x FILED BY A PARTY OTHER THAN THE REGISTRANT ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy State

April 23, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 23, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

April 23, 2025 EX-99.1

Supernus Pharmaceuticals to Announce First Quarter 2025 Financial Results and Host Conference Call and Webcast on May 6, 2025

Exhibit 99.1 Supernus Pharmaceuticals to Announce First Quarter 2025 Financial Results and Host Conference Call and Webcast on May 6, 2025 ROCKVILLE, Md., April 23, 2025 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company expects t

February 25, 2025 EX-97

Incentive Compensation Recoupment Policy.

Incentive Compensation Recoupment Policy of Supernus Pharmaceuticals, Inc. Recitals Whereas, the Board of Directors (the “Board”) of Supernus Pharmaceuticals, Inc. (the “Company”) believes that it is in the best interests of the Company and its stockholders to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensati

February 25, 2025 EX-19

Policy Statement on Securities Trades by Directors, Officers, and Employees. (incorporated by reference to Exhibit 19 to the Form 10-K filed on February 27, 2024, File No. 001-35518).

EXHIBIT 19 SUPERNUS PHARMACEUTICALS, INC. Policy Statement on Securities Trades by Directors, Officers and Employees THE LAW AND COMPANY POLICY ON SECURITIES TRADING It is against the law and the policy of Supernus Pharmaceuticals, Inc. (the “Company”) for any employee, officer, or director of the Company or any consultant to the Company to buy or sell common stock or other securities of the Compa

February 25, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 31, 2024 or ☐ TRANSMISSION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 31, 2024 or ☐ TRANSMISSION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-35518 SUPER

February 25, 2025 EX-99.1

Supernus Announces Fourth Quarter and Full Year 2024 Financial Results

Exhibit 99.1 Supernus Announces Fourth Quarter and Full Year 2024 Financial Results •Fourth quarter 2024 net sales of Qelbree® increased 60% to $74.4 million, compared to the same period in 2023. Full year 2024 net sales of Qelbree increased 72% to $241.3 million, compared to full year 2023. •Fourth quarter 2024 net sales of GOCOVRI® increased 15% to $36.9 million, compared to the same period in 2

February 25, 2025 EX-21

Subsidiaries of the Registrant.

EXHIBIT 21 SIGNIFICANT SUBSIDIARIES OF SUPERNUS PHARMACEUTICALS, INC. Name of Subsidiaries Jurisdiction of Organization MDD US Enterprises, LLC Delaware MDD US Operations, LLC Delaware Supernus Europe Ltd. United Kingdom Adamas Pharmaceuticals, LLC Delaware Adamas Operations, LLC Delaware Adamas Holdings, LLC Delaware Biscayne Neurotherapeutics, Inc. Delaware

February 25, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 25, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 24, 2025 EX-10.3

Exhibit 10.3 - Form of Performance Share Unit Award Agreement, for awards issued after 2024 under the Supernus Pharmaceuticals, Inc. Amended and Restated 2021 Equity Incentive Plan.

SUPERNUS PHARMACEUTICALS, INC. 2021 EQUITY INCENTIVE PLAN PERFORMANCE SHARE UNIT AWARD AGREEMENT This Performance Share Unit Award Agreement (the “Agreement”) is made and entered into as of , (the “Grant Date”). This Agreement evidences a performance share unit Award granted by Supernus Pharmaceuticals, Inc. (the “Company”) to the undersigned (“Participant”) pursuant to and subject to the terms of

February 24, 2025 8-K

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): February 24, 2025 Supernus Pharma

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): February 24, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 24, 2025 S-8 POS

As filed with the Securities and Exchange Commission on February 24, 2025

As filed with the Securities and Exchange Commission on February 24, 2025 Registration No.

February 18, 2025 8-K

Financial Statements and Exhibits, Other Events

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): February 18, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 18, 2025 EX-99.1

Supernus Announces Topline Results from Phase 2b Study in Adults with Treatment Resistant Depression

Exhibit 99.1 Supernus Announces Topline Results from Phase 2b Study in Adults with Treatment Resistant Depression •Study did not demonstrate statistically significant improvement on primary endpoint of reduction in depressive symptoms as measured by MADRS total score compared to placebo •SPN-820 was well-tolerated with few adverse events, consistent with previously reported studies ROCKVILLE, Md.,

February 11, 2025 EX-99.1

Supernus Pharmaceuticals to Host Conference Call and Webcast on February 25, 2025, to Discuss Fourth Quarter and Full Year 2024 Financial Results

Exhibit 99.1 Supernus Pharmaceuticals to Host Conference Call and Webcast on February 25, 2025, to Discuss Fourth Quarter and Full Year 2024 Financial Results ROCKVILLE, Md., February 11, 2025 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced tha

February 11, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 11, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 4, 2025 EX-99.1

Supernus Announces FDA Approval of ONAPGO™ (apomorphine hydrochloride) for Parkinson’s Disease

Exhibit 99.1 Supernus Announces FDA Approval of ONAPGO™ (apomorphine hydrochloride) for Parkinson’s Disease •ONAPGO is the first and only subcutaneous apomorphine infusion device for the treatment of motor fluctuations in adults with advanced Parkinson’s disease •ONAPGO is a wearable subcutaneous infusion device that provides continuous treatment during the waking day for more consistent control o

February 4, 2025 8-K

Financial Statements and Exhibits, Other Events

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): February 4, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

January 27, 2025 8-K

Financial Statements and Exhibits, Other Events

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): January 27, 2025 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

January 27, 2025 EX-99.1

Supernus Announces Label Update for Non-Stimulant ADHD Treatment, Qelbree®, Including New Pharmacodynamic Data and Information for Breastfeeding Women

Exhibit 99.1 Supernus Announces Label Update for Non-Stimulant ADHD Treatment, Qelbree®, Including New Pharmacodynamic Data and Information for Breastfeeding Women January 27, 2025 •Updated label includes new data in Section 12.2, detailing serotonin 5-HT2C partial agonist activity and norepinephrine transporter inhibition, highlighting Qelbree’s multimodal pharmacodynamics •Qelbree is the first A

December 20, 2024 EX-14.1

Code of Ethics and Business Conduct

Code of Ethics & Business Conduct Any violations of this Code must be reported to your immediate supervisor, if any, or the Compliance Hotline, 1-866-822-4512 CODE OF ETHICS & BUSINESS CONDUCT 1 Corporate Compliance Policies & Guidelines 52514257.

December 20, 2024 8-K

Amendment to Registrant's Code of Ethics, or Waiver of a Provision of the Code of Ethics, Financial Statements and Exhibits

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): December 19, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

November 14, 2024 SC 13G/A

SUPN / Supernus Pharmaceuticals, Inc. / ARMISTICE CAPITAL, LLC Passive Investment

SC 13G/A 1 armistice-supn093024a5.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 5)* SUPERNUS PHARMACEUTICALS, INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 868459108 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Stateme

November 4, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 4, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

November 4, 2024 EX-99.1

Supernus Announces Third Quarter 2024 Financial Results

Exhibit 99.1 Supernus Announces Third Quarter 2024 Financial Results •Net sales of Qelbree® increased 68% in the third quarter of 2024, compared to the same period in 2023. ◦Net sales of Qelbree of $62.4 million and $166.9 million in the third quarter and first nine months of 2024, respectively. •Net sales of GOCOVRI® increased 8% in the third quarter of 2024, compared to the same period in 2023.

November 4, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 September 30, 2024 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

November 1, 2024 EX-99.A

Page 8 of 13

EX-99.A 2 d885694dex99a.htm EX-99.A EXHIBIT A AGREEMENT TO FILE JOINT ACQUISITION STATEMENTS AGREEMENT made this [7th] day of FEBRUARY, 2024 by and between Delaware Funds by Macquarie,® Optimum Fund Trust and Macquarie ETF Trust listed on Annex A hereto, Macquarie Investment Management Business Trust, Macquarie Management Holdings, Inc, and the Macquarie Parties listed on Annex B hereto (collectiv

November 1, 2024 EX-99.B

Page 13 of 13

EX-99.B 3 d885694dex99b.htm EX-99.B EXHIBIT B Powers of Attorney for Macquarie Group Limited incorporated by reference to 13G filings made by Macquarie Group Limited on June 7, 2023. Page 13 of 13

November 1, 2024 SC 13G/A

SUPN / Supernus Pharmaceuticals, Inc. / MACQUARIE GROUP LTD - SC 13G/A Passive Investment

SC 13G/A 1 d885694dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Supernus Pharmaceuticals Inc (Name of Issuer) Common Shares (Title of Class of Securities) 868459108 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate bo

October 31, 2024 SC 13G

SUPN / Supernus Pharmaceuticals, Inc. / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Supernus Pharmaceuticals Inc (Name of Issuer) Common Stock (Title of Class of Securities) 868459108 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

October 30, 2024 8-K

Regulation FD Disclosure

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): October 30, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

October 21, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 21, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

October 21, 2024 EX-99.1

Supernus Pharmaceuticals to Host Conference Call and Webcast on November 4, 2024 to Discuss Third Quarter 2024 Financial Results

Exhibit 99.1 Supernus Pharmaceuticals to Host Conference Call and Webcast on November 4, 2024 to Discuss Third Quarter 2024 Financial Results ROCKVILLE, Md., October 21, 2024 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company expe

October 17, 2024 EX-99.1

Supernus Announces Promising Data from Open-Label Phase 2a Study of SPN-820 in Adults with Major Depressive Disorder Phase 2a study demonstrated rapid and substantial decrease in depressive symptoms SPN-820 was well-tolerated with few adverse events

Exhibit 99.1 Supernus Announces Promising Data from Open-Label Phase 2a Study of SPN-820 in Adults with Major Depressive Disorder Phase 2a study demonstrated rapid and substantial decrease in depressive symptoms SPN-820 was well-tolerated with few adverse events SPN-820 is a novel, first-in-class intracellular modulator of mTORC1 for the treatment of depression Company to host webcast today at 4:3

October 17, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

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): October 17, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

October 10, 2024 EX-99.1

Supernus Pharmaceuticals to Host Webcast to Review Open-Label Phase 2a Study of SPN-820 for the Treatment of Major Depressive Disorder

Supernus Pharmaceuticals to Host Webcast to Review Open-Label Phase 2a Study of SPN-820 for the Treatment of Major Depressive Disorder ROCKVILLE, Md.

October 10, 2024 8-K

Financial Statements and Exhibits, Other Events

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): October 10, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

August 19, 2024 EX-99.1

Supernus Announces SPN-830 Apomorphine Infusion Device NDA Accepted for Review by FDA PDUFA Target Action Date of February 1, 2025

Exhibit 99.1 Supernus Announces SPN-830 Apomorphine Infusion Device NDA Accepted for Review by FDA PDUFA Target Action Date of February 1, 2025 ROCKVILLE, Md., August 19, 2024 – Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the U.S. Food a

August 19, 2024 8-K

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): August 19, 2024 Supernus Pharmace

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): August 19, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or or

August 6, 2024 EX-99.1

Supernus Announces Second Quarter 2024 Financial Results

Exhibit 99.1 Supernus Announces Second Quarter 2024 Financial Results •Net sales of Qelbree® increased 92% in the second quarter of 2024, compared to the same period in 2023. ◦$59.4 million and $104.5 million of net sales in the second quarter and first six months of 2024, respectively. •Net sales of GOCOVRI® increased 10% in the second quarter of 2024, compared to the same period in 2023. ◦$31.7

August 6, 2024 8-K

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): August 6, 2024 Supernus Pharmaceu

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): August 6, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

August 6, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 June 30, 2024 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

August 6, 2024 EX-10.1

Settlement Agreement, dated as of April 30, 2024, by and between Supernus Pharmaceuticals, Inc. and Ascent Pharmaceuticals, Inc.

EXECUTION COPY CERTAIN CONFIDENTIAL INFORMATION IDENTIFIED IN THIS DOCUMENT MARKED BY [**] , HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED.

August 1, 2024 8-K

Financial Statements and Exhibits, Other Events

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): August 1, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

August 1, 2024 EX-99.1

Supernus Resubmits NDA for SPN-830 Apomorphine Infusion Device

Exhibit 99.1 Supernus Resubmits NDA for SPN-830 Apomorphine Infusion Device ROCKVILLE, Md., August 1, 2024 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced it has resubmitted its New Drug Application (NDA) for its apomorphine infusion device (SP

July 23, 2024 EX-99.1

Supernus Pharmaceuticals to Announce Second Quarter 2024 Financial Results and Host Conference Call on August 6, 2024

Exhibit 99.1 Supernus Pharmaceuticals to Announce Second Quarter 2024 Financial Results and Host Conference Call on August 6, 2024 ROCKVILLE, Md., July 23, 2024 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company expects to report

July 23, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 23, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

June 17, 2024 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

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): June 14, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

June 17, 2024 EX-FILING FEES

Filing Fee Table (filed herewith)

Exhibit 107 Calculation of Filing Fees Table Form S-8 (Form Type) SUPERNUS PHARMACEUTICALS, INC.

June 17, 2024 S-8

As filed with the Securities and Exchange Commission on June 17, 2024

As filed with the Securities and Exchange Commission on June 17, 2024 Registration No.

May 23, 2024 EX-99.1

Supernus Announces Promising Interim Data from Ongoing Open-Label Phase 2a Study of SPN-817 in Epilepsy SPN-817 is a novel, first-in-class highly selective acetylcholinesterase (AChE) inhibitor for epilepsy Company to host webcast today at 4:30 p.m.

Exhibit 99.1 Supernus Announces Promising Interim Data from Ongoing Open-Label Phase 2a Study of SPN-817 in Epilepsy SPN-817 is a novel, first-in-class highly selective acetylcholinesterase (AChE) inhibitor for epilepsy Company to host webcast today at 4:30 p.m. ET to discuss the interim data ROCKVILLE, Md., May 23, 2024 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company

May 23, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

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): May 23, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or organ

May 9, 2024 EX-99.1

Supernus Pharmaceuticals to Host Webcast to Review Interim Data from Ongoing Open-Label Phase IIa Study of SPN-817 for Treatment-Resistant Seizures

Exhibit 99.1 Supernus Pharmaceuticals to Host Webcast to Review Interim Data from Ongoing Open-Label Phase IIa Study of SPN-817 for Treatment-Resistant Seizures ROCKVILLE, Md., May 9, 2024 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that th

May 9, 2024 8-K

Financial Statements and Exhibits, Other Events

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): May 9, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or organi

May 8, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2024 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

May 8, 2024 EX-99.1

Supernus Announces First Quarter 2024 Financial Results

Exhibit 99.1 Supernus Announces First Quarter 2024 Financial Results •Net sales of Qelbree® increased 75% to $45.1 million compared to first quarter 2023. •Total revenues were $143.6 million. Total revenues excluding Trokendi XR® and Oxtellar XR® net product sales (non-GAAP)(1) increased 12% to $100.7 million compared to first quarter 2023. •Operating loss was $(3.2) million. Adjusted operating ea

May 8, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): May 8, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or organi

April 29, 2024 DEF 14A

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

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: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

April 29, 2024 DEFA14A

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

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 x FILED BY A PARTY OTHER THAN THE REGISTRANT ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy State

April 24, 2024 EX-99.1

Supernus Pharmaceuticals to Announce First Quarter 2024 Financial Results and Host Conference Call on May 8, 2024

Exhibit 99.1 Supernus Pharmaceuticals to Announce First Quarter 2024 Financial Results and Host Conference Call on May 8, 2024 ROCKVILLE, Md., April 24, 2024 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company expects to report fin

April 24, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): April 22, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

April 24, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 24, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

April 8, 2024 EX-99.1

Supernus Provides Regulatory Update for SPN-830

Exhibit 99.1 Supernus Provides Regulatory Update for SPN-830 ROCKVILLE, Md., April 8, 2024 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced a regulatory update for SPN-830. SPN-830 is an investigational apomorphine infusion device for the contin

April 8, 2024 8-K

Financial Statements and Exhibits, Other Events

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): April 8, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

February 28, 2024 8-K

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): February 22, 2024 Supernus Pharma

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): February 22, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 27, 2024 EX-10.44

Exhibit 10.3 - Form of Performance Share Unit Award Agreement, under the Supernus Pharmaceuticals, Inc. 2021 Equity Incentive Plan (incorporated by reference to Exhibit 10.44 to the Form 10-K filed on February 27, 2024, File No. 001-35518).

EXHIBIT 10.44 SUPERNUS PHARMACEUTICALS, INC. 2021 EQUITY INCENTIVE PLAN PERFORMANCE SHARE UNIT AWARD AGREEMENT This Performance Share Unit Award Agreement (the “Agreement”) is made and entered into as of , (the “Grant Date”). This Agreement evidences a performance share unit Award granted by Supernus Pharmaceuticals, Inc. (the “Company”) to the undersigned (“Participant”) pursuant to and subject t

February 27, 2024 EX-10.42

Exhibit 10.2 - Form of Restricted Stock Unit Award Agreement, under the Supernus Pharmaceuticals, Inc. 2021 Equity Incentive Plan (incorporated by reference to Exhibit 10.42 to the Form 10-K filed on February 27, 2024, File No. 001-35518).

EXHIBIT 10.42 SUPERNUS PHARMACEUTICALS, INC. 2021 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT SUPERNUS PHARMACEUTICALS, INC. STRONGLY ENCOURAGES YOU TO SEEK THE ADVICE OF YOUR OWN LEGAL AND FINANCIAL ADVISORS WITH RESPECT TO YOUR AWARD AND ITS TAX CONSEQUENCES. This Restricted Stock Unit Agreement (this “Agreement”) is made and entered into as of the date set forth below (the “Grant Date

February 27, 2024 EX-97

e Compensation Recoup

EXHIBIT 97 Incentive Compensation Recoupment Policy of Supernus Pharmaceuticals, Inc.

February 27, 2024 EX-10.16

Form of Executive Retention Agreement.

EXHIBIT 10.16 FORM OF EXECUTIVE RETENTION AGREEMENT THIS EXECUTIVE RETENTION AGREEMENT (this “Agreement”) is made and entered into this [·] day of [·], [·] (the “Effective Date”) by and between Supernus Pharmaceuticals, Inc., a Delaware corporation (the “Company”), and [·] (the “Executive”). 1. Definitions. Capitalized terms used in this Agreement shall have the meanings set forth either in this S

February 27, 2024 EX-21

Subsidiaries of the Registrant.

EXHIBIT 21 SIGNIFICANT SUBSIDIARIES OF SUPERNUS PHARMACEUTICALS, INC. Name of Subsidiaries Jurisdiction of Organization MDD US Enterprises, LLC Delaware MDD US Operations, LLC Delaware Supernus Europe Ltd. United Kingdom Adamas Pharmaceuticals, LLC Delaware Adamas Operations, LLC Delaware Adamas Holdings, LLC Delaware Biscayne Neurotherapeutics, Inc. Delaware

February 27, 2024 EX-10.40

Amended and Restated 2021 Equity Incentive Plan (incorporated by reference to Exhibit 10.40 to the Form 10-K filed on February 27, 2024, File No. 001-35518).

EXHIBIT 10.40 Type: Time-Based Option Name: Number of Shares of Stock Subject to Option: Price Per Share: Date of Grant: SUPERNUS PHARMACEUTICALS, INC. 2021 EQUITY INCENTIVE PLAN SUPERNUS PHARMACEUTICALS, INC. STRONGLY ENCOURAGES YOU TO SEEK THE ADVICE OF YOUR OWN LEGAL AND FINANCIAL ADVISORS WITH RESPECT TO YOUR AWARD AND ITS TAX CONSEQUENCES. FORM OF NON-STATUTORY TIME-BASED STOCK OPTION AGREEME

February 27, 2024 EX-99.1

Supernus Announces Fourth Quarter and Full Year 2023 Financial Results

Exhibit 99.1 Supernus Announces Fourth Quarter and Full Year 2023 Financial Results •Fourth quarter 2023 net sales of Qelbree® increased 97% to $46.4 million compared to fourth quarter 2022; Full year 2023 net sales of Qelbree increased 129% to $140.2 million compared to full year 2022. •Fourth quarter 2023 net sales of GOCOVRI® increased 10% to $32.0 million compared to fourth quarter 2022; Full

February 27, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 27, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 27, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 31, 2023 or ☐ TRANSMISSION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 31, 2023 or ☐ TRANSMISSION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-35518 SUPER

February 27, 2024 EX-10.38

Form of Time-Based Incentive Stock Option Agreement, for awards issued after 2023 under the Supernus Pharmaceuticals, Inc. 2021 Equity Incentive Plan

EXHIBIT 10.38 Type: Time-Based Option Name: Number of Shares of Stock Subject to Option: Price Per Share: Date of Grant: SUPERNUS PHARMACEUTICALS, INC. 2021 EQUITY INCENTIVE PLAN SUPERNUS PHARMACEUTICALS, INC. STRONGLY ENCOURAGES YOU TO SEEK THE ADVICE OF YOUR OWN LEGAL AND FINANCIAL ADVISORS WITH RESPECT TO YOUR AWARD AND ITS TAX CONSEQUENCES. FORM OF TIME-BASED INCENTIVE STOCK OPTION AGREEMENT T

February 27, 2024 EX-10.48

Settlement Agreement, dated as of June 21, 2023, by and between Supernus Pharmaceuticals, Inc. with Apotex Inc. and Apotex Corp.

EXECUTION COPY EXHIBIT 10.48 CERTAIN CONFIDENTIAL INFORMATION IDENTIFIED IN THIS DOCUMENT MARKED BY [**] , HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED. SETTLEMENT AGREEMENT BY AND BETWEEN SUPERNUS PHARMACEUTICALS, INC. AND APOTEX INC. APOTEX CORP. DATED AS OF JUNE 21, 2023 EXECUTION COPY THIS SETTLEMENT AGREEM

February 27, 2024 EX-19

urities Trades by Directors, Officer

EXHIBIT 19 SUPERNUS PHARMACEUTICALS, INC. Policy Statement on Securities Trades by Directors, Officers and Employees THE LAW AND COMPANY POLICY ON SECURITIES TRADING It is against the law and the policy of Supernus Pharmaceuticals, Inc. (the “Company”) for any employee, officer, or director of the Company or any consultant to the Company to buy or sell common stock or other securities of the Compa

February 21, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): February 14, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 14, 2024 EX-99.A

Page 8 of 13

EX-99.A 2 d740350dex99a.htm EX-99.A EXHIBIT A AGREEMENT TO FILE JOINT ACQUISITION STATEMENTS AGREEMENT made this [7th] day of FEBRUARY, 2024 by and between Delaware Funds by Macquarie,® Optimum Fund Trust and Macquarie ETF Trust listed on Annex A hereto, Macquarie Investment Management Business Trust, Macquarie Management Holdings, Inc, and the Macquarie Parties listed on Annex B hereto (collectiv

February 14, 2024 EX-99.B

Page 13 of 13

EX-99.B 3 d740350dex99b.htm EX-99.B EXHIBIT B Powers of Attorney for Macquarie Group Limited incorporated by reference to 13G filings made by Macquarie Group Limited on June 7, 2023. Page 13 of 13

February 14, 2024 SC 13G

SUPN / Supernus Pharmaceuticals, Inc. / MACQUARIE GROUP LTD - SC 13G Passive Investment

SC 13G 1 d740350dsc13g.htm SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 0)* Supernus Pharmaceuticals Inc (Name of Issuer) Common Shares (Title of Class of Securities) 868459108 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to d

February 14, 2024 SC 13G/A

SUPN / Supernus Pharmaceuticals, Inc. / ARMISTICE CAPITAL, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 13, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 13, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 13, 2024 EX-99.1

Supernus Pharmaceuticals to Announce Fourth Quarter and Full Year 2023 Financial Results and Host Conference Call on February 27, 2024

Exhibit 99.1 Supernus Pharmaceuticals to Announce Fourth Quarter and Full Year 2023 Financial Results and Host Conference Call on February 27, 2024 ROCKVILLE, Md., February 13, 2024 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Compa

February 13, 2024 SC 13G/A

SUPN / Supernus Pharmaceuticals, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv02020-supernuspharmaceutic.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6)* Name of issuer: Supernus Pharmaceuticals Inc Title of Class of Securities: Common Stock CUSIP Number: 868459108 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate b

February 5, 2024 EX-99.1

Supernus Wins Infringement and Validity Case on Trokendi XR® against Torrent

Exhibit 99.1 Supernus Wins Infringement and Validity Case on Trokendi XR® against Torrent ROCKVILLE, Md., February 5, 2024 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, announced today that the United States District Court for the District of New Jersey rule

February 5, 2024 8-K

Financial Statements and Exhibits, Other Events

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): February 5, 2024 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

November 8, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 September 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

November 8, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 8, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

November 8, 2023 EX-99.1

Supernus Announces Third Quarter 2023 Financial Results

Exhibit 99.1 Supernus Announces Third Quarter 2023 Financial Results •Raises full year 2023 adjusted operating earnings (non-GAAP)(1) guidance range to $95 million to $110 million from previous range of $75 million to $100 million •Total revenues (GAAP) of $153.9 million in the third quarter of 2023; total revenues excluding Trokendi XR® net product sales (non-GAAP)(2), increased by 24% in the thi

November 2, 2023 EX-99.1

Supernus Announces SPN-830 Apomorphine Infusion Device NDA Accepted for Review by FDA PDUFA Target Action Date of April 5, 2024

Exhibit 99.1 Supernus Announces SPN-830 Apomorphine Infusion Device NDA Accepted for Review by FDA PDUFA Target Action Date of April 5, 2024 ROCKVILLE, Md., November 2, 2023 – Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the U.S. Food and

November 2, 2023 8-K

Financial Statements and Exhibits, Other Events

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 1, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

October 25, 2023 EX-99.1

Supernus Pharmaceuticals to Announce Third Quarter 2023 Financial Results and Host Conference Call on November 8, 2023

Exhibit 99.1 Supernus Pharmaceuticals to Announce Third Quarter 2023 Financial Results and Host Conference Call on November 8, 2023 ROCKVILLE, Md., October 25, 2023 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company expects to rep

October 25, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 25, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

October 18, 2023 EX-99.1

© 2023 Supernus Pharmaceuticals, Inc. All Rights Reserved. Introduction and Agenda 2 Jack Khattar President and Chief Executive Officer © 2023 Supernus Pharmaceuticals, Inc. All Rights Reserved. Safe Harbor Statement 3 This presentation and other mat

Exhibit 99.1 © 2023 Supernus Pharmaceuticals, Inc. All Rights Reserved. Supernus Pharmaceuticals R&D Day October 18, 2023 1 © 2023 Supernus Pharmaceuticals, Inc. All Rights Reserved. Introduction and Agenda 2 Jack Khattar President and Chief Executive Officer © 2023 Supernus Pharmaceuticals, Inc. All Rights Reserved. Safe Harbor Statement 3 This presentation and other matters discussed today or an

October 18, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

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): October 18, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

October 10, 2023 EX-99.1

Supernus Resubmits NDA for SPN-830 Apomorphine Infusion Device

Exhibit 99.1 Supernus Resubmits NDA for SPN-830 Apomorphine Infusion Device ROCKVILLE, MD, October 9, 2023 – Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced it has resubmitted its New Drug Application (NDA) for its apomorphine infusion device (SP

October 10, 2023 8-K

Financial Statements and Exhibits, Other Events

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): October 9, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or or

August 21, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events

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): August 17, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or or

August 21, 2023 EX-99.1

Bethany L. Sensenig Joins Supernus’ Board of Directors

Exhibit 99.1 Bethany L. Sensenig Joins Supernus’ Board of Directors ROCKVILLE, MD, August 21, 2023 – Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, announced today that Bethany L. Sensenig has joined the Supernus Board of Directors effective immediately. Ms. Se

August 10, 2023 EX-99.1

Supernus Announces Second Quarter 2023 Financial Results

Exhibit 99.1 Supernus Announces Second Quarter 2023 Financial Results •Qelbree® net product sales growth of 179% and 193% in the second quarter and first six months of 2023, respectively, compared to the same periods in 2022 –$31.0 million and $56.8 million of net product sales in the second quarter and first six months of 2023, respectively •GOCOVRI® net product sales growth of 17% and 16% in the

August 10, 2023 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2023 Supernus Pharmac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

August 8, 2023 EX-99.1

Supernus Announces Second Quarter 2023 Financial Results

Exhibit 99.1 Supernus Announces Second Quarter 2023 Financial Results •Qelbree® net product sales growth of 179% and 193% in the first three months and first six months of 2023, respectively, compared to the same periods in 2022 –$31.0 million and $56.8 million of net product sales in the first three months and first six months of 2023, respectively •GOCOVRI® net product sales growth of 17% and 16

August 8, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

August 8, 2023 8-K

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): August 8, 2023 Supernus Pharmaceu

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): August 8, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

July 24, 2023 EX-99.1

Supernus Pharmaceuticals to Announce Second Quarter 2023 Financial Results and Host Conference Call on August 8, 2023

Exhibit 99.1 Supernus Pharmaceuticals to Announce Second Quarter 2023 Financial Results and Host Conference Call on August 8, 2023 ROCKVILLE, Md., July 24, 2023 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company expects to report

July 24, 2023 8-K

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): July 24, 2023 Supernus Pharmaceut

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): July 24, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

June 23, 2023 8-K

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): June 21, 2023 Supernus Pharmaceut

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): June 21, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

June 20, 2023 8-K

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): June 16, 2023 Supernus Pharmaceut

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): June 16, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

May 9, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

May 9, 2023 8-K

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): May 9, 2023 Supernus Pharmaceutic

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): May 9, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or organi

May 9, 2023 EX-99.1

Supernus Announces First Quarter 2023 Financial Results

Exhibit 99.1 Supernus Announces First Quarter 2023 Financial Results •First quarter 2023 total revenues of $153.8 million, compared to $152.5 million in first quarter 2022 –Qelbree® net product sales of $25.8 million, compared to $8.3 million in first quarter 2022 –GOCOVRI® net product sales of $26.0 million, compared to $22.6 million in first quarter 2022 –Excluding net product sales of Trokendi

May 1, 2023 DEF 14A

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

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: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

May 1, 2023 DEFA14A

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

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 x FILED BY A PARTY OTHER THAN THE REGISTRANT ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy State

April 26, 2023 8-K

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): April 25, 2023 Supernus Pharmaceu

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): April 25, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

April 26, 2023 EX-99.1

Supernus Pharmaceuticals to Announce First Quarter 2023 Financial Results and Host Conference Call on May 9, 2023

Exhibit 99.1 Supernus Pharmaceuticals to Announce First Quarter 2023 Financial Results and Host Conference Call on May 9, 2023 ROCKVILLE, Md., April 25, 2023 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company expects to report fin

April 3, 2023 EX-99.1

Supernus Announces Repayment of Convertible Notes

Exhibit 99.1 Supernus Announces Repayment of Convertible Notes ROCKVILLE, Md., April 3, 2023 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, announced today that it has paid the total principal amount due of $402.5 million under its 0.625% Convertible Senior N

April 3, 2023 8-K

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): March 30, 2023 Supernus Pharmaceu

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): March 30, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

March 9, 2023 EX-21

Subsidiaries of the Registrant.

EXHIBIT 21 SIGNIFICANT SUBSIDIARIES OF SUPERNUS PHARMACEUTICALS, INC. Name of Subsidiaries Jurisdiction of Organization MDD US Enterprises, LLC Delaware MDD US Operations, LLC Delaware Supernus Europe Ltd. United Kingdom Adamas Pharmaceuticals, LLC Delaware Adamas Operations, LLC Delaware Adamas Holdings, LLC Delaware Biscayne Neurotherapeutics, Inc. Delaware

March 9, 2023 EX-10.71

Settlement Agreement, dated as of December 31, 2022, by and between Supernus Pharmaceuticals, Inc., Zydus Pharmaceuticals (USA) Inc. and Zydus Lifesciences Limited. (incorporated by reference to Exhibit 10.71 to the Form 10-K filed on March 9, 2023, File No. 001-35518).

EXECUTION COPY Exhibit 10.71 CERTAIN CONFIDENTIAL INFORMATION IDENTIFIED IN THIS DOCUMENT, MARKED BY [*], HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED. SETTLEMENT AGREEMENT BY AND BETWEEN SUPERNUS PHARMACEUTICALS, INC. AND ZYDUS PHARMACEUTICAL (USA) INC. ZYDUS LIFESCIENCES LIMITED DATED AS OF DECEMBER 31, 2022

March 9, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 31, 2022 or ☐ TRANSMISSION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 31, 2022 or ☐ TRANSMISSION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-35518 SUPER

March 2, 2023 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING SEC File Number: 001-35518 CUSIP Number: 868459 10 8 (Check one): Form 10-K Form 20-F Form 11-K Form 10-Q Form 10-D Form N-SAR Form N-CSR For Period Ended: December 31, 2022 Transition Report on Form 10-K Transition Report on Form 20-F Transition Report on Form 11-K Transition Report on

March 1, 2023 8-K

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): February 23, 2023 Supernus Pharma

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): February 23, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 28, 2023 8-K

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): February 28, 2023 Supernus Pharma

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): February 28, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 28, 2023 EX-99.1

Supernus Announces Fourth Quarter and Full Year 2022 Financial Results

Exhibit 99.1 Supernus Announces Fourth Quarter and Full Year 2022 Financial Results •Full Year 2022 total revenues of $667.2 million, a 15% increase compared to full year 2021 •Fourth quarter 2022 Qelbree® net product sales of $23.6 million increased 29% compared to third quarter of 2022; Full year 2022 Qelbree net product sales of $61.3 million, compared to $9.9 million for full year 2021 •Execut

February 14, 2023 EX-10.1

Credit Line Agreement between UBS Bank USA and Supernus Pharmaceuticals, Inc. dated as of February 8, 2023 (incorporated by reference to Exhibit 10.1 to the Form 8-K filed on February 14, 2023, File No. 001-35518)

Exhibit 10.1 CERTAIN CONFIDENTIAL INFORMATION IDENTIFIED IN THIS DOCUMENT, MARKED BY [*], HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED. ab UBS Bank USA Credit Line Agreement Variable Credit Line Account Number: (if applicable) [*] [*] Fixed Credit Line Account Number: (if applicable) [*] [*] Internal Use Only B

February 14, 2023 EX-99.1

Supernus Enters Into $150 Million Credit Facility

Exhibit 99.1 Supernus Enters Into $150 Million Credit Facility ROCKVILLE, MD, February 14, 2023 – Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced it entered into a credit line agreement (the “Credit Line”) with UBS Bank USA (“UBS”) providing the

February 14, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

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): February 8, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

February 14, 2023 SC 13G/A

SUPN / Supernus Pharmaceuticals Inc / ARMISTICE CAPITAL, LLC Passive Investment

SC 13G/A 1 armistice-supn123122a3.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* SUPERNUS PHARMACEUTICALS, INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 868459108 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statemen

February 10, 2023 EX-99.1

Supernus Pharmaceuticals to Announce Fourth Quarter and Full Year 2022 Financial Results and Host Conference Call on February 28, 2023

Exhibit 99.1 Supernus Pharmaceuticals to Announce Fourth Quarter and Full Year 2022 Financial Results and Host Conference Call on February 28, 2023 ROCKVILLE, Md., February 9, 2023 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Compan

February 10, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 9, 2023 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

February 9, 2023 SC 13G/A

SUPN / Supernus Pharmaceuticals Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01991-supernuspharmaceutic.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 5)* Name of issuer: Supernus Pharmaceuticals Inc. Title of Class of Securities: Common Stock CUSIP Number: 868459108 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate

November 9, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 September 30, 2022 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

November 8, 2022 EX-99.1

Supernus Announces Third Quarter 2022 Financial Results

Exhibit 99.1 Supernus Announces Third Quarter 2022 Financial Results ?Third quarter 2022 total revenues of $177.4 million, a 19% increase compared to third quarter 2021 ?Increasing full year 2022 operating earnings guidance to $35 million to $45 million, from $20 million to $40 million previously ?Increasing full year 2022 total revenues guidance to $650 million to $680 million, from $640 million

November 8, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 8, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

October 25, 2022 EX-99.1

Supernus Pharmaceuticals to Announce Third Quarter 2022 Financial Results and Host Conference Call on November 8, 2022

Exhibit 99.1 Supernus Pharmaceuticals to Announce Third Quarter 2022 Financial Results and Host Conference Call on November 8, 2022 ROCKVILLE, Md., October 25, 2022 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company expects to rep

October 25, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 25, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

October 11, 2022 8-K

Financial Statements and Exhibits, Other Events

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): October 11, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or o

October 11, 2022 EX-99.1

Supernus Provides Regulatory Update on SPN-830

Exhibit 99.1 Supernus Provides Regulatory Update on SPN-830 ROCKVILLE, Md., October 10, 2022 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a pharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the U.S. Food and Drug Administration (FDA) has issued a Complete Response Letter (CRL) for the SPN-8

August 8, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 June 30, 2022 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

August 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): August 4, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

August 4, 2022 EX-99.1

Supernus Announces Second Quarter 2022 Financial Results

Exhibit 99.1 Supernus Announces Second Quarter 2022 Financial Results ?Second quarter 2022 total revenues of $170.1 million, a 20% increase compared to second quarter 2021 ?Second quarter 2022 GAAP operating earnings of $11.3 million; second quarter 2022 non-GAAP operating earnings of $37.6 million ?Qelbree? continued its growth trajectory, with 62,938 prescriptions in second quarter 2022, a 33% i

July 26, 2022 EX-99.1

Supernus Pharmaceuticals to Announce Second Quarter 2022 Financial Results and Host Conference Call on August 4, 2022

EX-99.1 2 ex99107-25x2022.htm EX-99.1 Exhibit 99.1 Supernus Pharmaceuticals to Announce Second Quarter 2022 Financial Results and Host Conference Call on August 4, 2022 ROCKVILLE, Md., July 25, 2022 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announc

July 26, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 26, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

June 17, 2022 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

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): June 17, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

June 9, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

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): June 9, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or organ

June 9, 2022 EX-99.1

© 2022 Supernus Pharmaceuticals, Inc. All Rights Reserved. 1 Supernus Pharmaceuticals Jefferies Healthcare Conference June 2022

Exhibit 99.1 ? 2022 Supernus Pharmaceuticals, Inc. All Rights Reserved. 1 Supernus Pharmaceuticals Jefferies Healthcare Conference June 2022 ? 2022 Supernus Pharmaceuticals, Inc. All Rights Reserved. Safe Harbor Statement This presentation and other matters discussed today or answers that may be given to questions asked include forward - looking statements within the meaning of the federal securit

May 12, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2022 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

May 10, 2022 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

SEC FILE NUMBER: 001-35518 CUSIP NUMBER: 868459 10 8 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 9, 2022 EX-99.1

Supernus Announces First Quarter 2022 Financial Results

Exhibit 99.1 Supernus Announces First Quarter 2022 Financial Results ?First quarter 2022 total revenues of $152.5 million, a 16% increase compared to first quarter 2021 ?First quarter 2022 net earnings and diluted earnings per share (GAAP) were $25.6 million and $0.43, respectively ?First quarter 2022 GAAP operating income of $2.0 million; first quarter 2022 non-GAAP operating income of $28.0 mill

May 9, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): May 9, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or organi

May 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): May 3, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or organi

May 4, 2022 EX-99.1

Supernus Pharmaceuticals to Announce First Quarter 2022 Financial Results and Host Conference Call on May 9, 2022

Exhibit 99.1 Supernus Pharmaceuticals to Announce First Quarter 2022 Financial Results and Host Conference Call on May 9, 2022 ROCKVILLE, Md., May 2, 2022 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company expects to report financ

May 3, 2022 8-K

Financial Statements and Exhibits, Other Events

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): May 3, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or organi

May 3, 2022 EX-99.1

Supernus Announces FDA Approval of Qelbree® for the Treatment of ADHD in Adults

Exhibit 99.1 Supernus Announces FDA Approval of Qelbree? for the Treatment of ADHD in Adults ?First novel, nonstimulant option for adults with ADHD in 20 years ?ADHD affects an estimated 10 million adults in the U.S. ROCKVILLE, Md., April 29, 2022 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of cen

May 2, 2022 DEFA14A

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

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 x FILED BY A PARTY OTHER THAN THE REGISTRANT ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

May 2, 2022 DEF 14A

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

? 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: ? Preliminary Proxy Statement ? ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? ? Definitive Proxy

April 13, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 31, 2021 or ☐ TRANSMISSION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 31, 2021 or ? TRANSMISSION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-35518 SUPER

April 13, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 13, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

April 13, 2022 EX-99.1

Supernus Reports Final Audited Fourth Quarter and Full Year 2021 Financial Results

Exhibit 99.1 Supernus Reports Final Audited Fourth Quarter and Full Year 2021 Financial Results ?Annual Report on Form 10-K filed on April 13, 2022 ?Reiterates full year 2022 financial guidance provided on February 28, 2022 and reiterated on April 4, 2022 ROCKVILLE, Md., April 13, 2022 ? Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercial

April 13, 2022 EX-21

Subsidiaries of the Registrant.

EXHIBIT 21 SUBSIDIARIES OF SUPERNUS PHARMACEUTICALS, INC. Name of Subsidiaries Jurisdiction of Organization MDD US Enterprises, LLC Delaware MDD US Operations, LLC Delaware Supernus Europe Ltd. United Kingdom Adamas Pharmaceuticals, Inc. Delaware Adamas Operations, LLC Delaware Adamas Holdings, LLC Delaware Biscayne Neurotherapeutics, Inc. Delaware

April 5, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

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): April 4, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or orga

April 5, 2022 EX-99.1

Supernus Provides Update on Filing of Annual Report and Reiterates Full Year 2022 Financial Guidance

EX-99.1 2 ex99104-04x2022.htm EX-99.1 Exhibit 99.1 Supernus Provides Update on Filing of Annual Report and Reiterates Full Year 2022 Financial Guidance ROCKVILLE, Md., April 4, 2022 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that it expect

March 21, 2022 EX-99.1

Supernus Notifies Nasdaq Regarding Non-Compliance with Listing Requirement and Expectation to Regain Compliance

Exhibit 99.1 Supernus Notifies Nasdaq Regarding Non-Compliance with Listing Requirement and Expectation to Regain Compliance ROCKVILLE, Md., March 17, 2022 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, filed a notification of Late Filing on Form 12b-25 on Ma

March 21, 2022 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

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): March 21, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or org

March 1, 2022 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING SEC File Number: 001-35518 CUSIP Number: 868459 10 8 (Check one): Form 10-K Form 20-F Form 11-K Form 10-Q Form 10-D Form N-SAR Form N-CSR For Period Ended: December 31, 2021 Transition Report on Form 10-K Transition Report on Form 20-F Transition Report on Form 11-K Transition Report on

February 28, 2022 EX-99.1

Supernus Announces Preliminary Fourth Quarter and Full Year 2021 Financial Results

Exhibit 99.1 Supernus Announces Preliminary Fourth Quarter and Full Year 2021 Financial Results ?Preliminary full year 2021 total revenues were $579.8 million; an 11% increase compared to $520.4 million in 2020 ?SPN-830 (apomorphine infusion device) NDA accepted for review by FDA; PDUFA date early October 2022 ?Completed acquisition of Adamas Pharmaceuticals, Inc. in November 2021; integration wel

February 28, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 28, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 22, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): February 22, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation or

February 22, 2022 EX-99.1

Supernus to Provide Preliminary Fourth Quarter and Full Year 2021 Financial Results and Host Conference Call on February 28, 2022

Exhibit 99.1 Supernus to Provide Preliminary Fourth Quarter and Full Year 2021 Financial Results and Host Conference Call on February 28, 2022 ROCKVILLE, Md., February 22, 2022 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company wi

February 22, 2022 EX-99.2

Supernus Receives Notice Assigning Early October 2022 PDUFA for SPN-830 Apomorphine Infusion Device NDA

Exhibit 99.2 Supernus Receives Notice Assigning Early October 2022 PDUFA for SPN-830 Apomorphine Infusion Device NDA ROCKVILLE, Md., February 22, 2022 ? Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that it received notice from the U.S. Food an

February 15, 2022 SC 13G/A

SUPN / Supernus Pharmaceuticals Inc / ARMISTICE CAPITAL, LLC - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

February 15, 2022 EX-99.A

AGREEMENT

Exhibit A Exhibit A AGREEMENT The undersigned agree that this Amendment No. 2 to Schedule 13G dated February 14, 2022 relating to the Common Stock, $0.001 par value, of Supernus Pharmaceuticals, Inc. shall be filed on behalf of the undersigned. Armistice Capital, LLC By: /s/ Steven Boyd Steven Boyd Managing Member /s/ Steven Boyd Steven Boyd

February 10, 2022 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 10, 2022 Supernus Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35518 20-2590184 (State or other jurisdiction of incorporation o

February 10, 2022 SC 13G/A

SUPN / Supernus Pharmaceuticals Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4)* Name of issuer: Supernus Pharmaceuticals Inc. Title of Class of Securities: Common Stock CUSIP Number: 868459108 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule i

February 10, 2022 EX-99.4

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

EX-99.4 3 ex99402-10x2022unauditedpr.htm EX-99.4 Exhibit 99.4 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Introduction On November 24, 2021, Supernus Pharmaceuticals, Inc. (Company) completed the acquisition (Acquisition) of Adamas Pharmaceuticals, Inc. (Adamas). The following unaudited pro forma condensed combined statements of operations (pro forma statements of operations) and

December 8, 2021 8-K

Financial Statements and Exhibits, Other Events

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): December 8, 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 o

December 8, 2021 EX-99.1

Supernus Resubmits NDA for SPN-830 Apomorphine Infusion Device

EX-99.1 2 ex99112-08x2021.htm EX-99.1 Exhibit 99.1 Supernus Resubmits NDA for SPN-830 Apomorphine Infusion Device ROCKVILLE, Md., December 8, 2021 – Supernus Pharmaceuticals, Inc. (NASDAQ: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced it has resubmitted its New Drug Application (NDA)

November 26, 2021 EX-99.1

Supernus Pharmaceuticals Targeted in Ransomware Incident The attack had no significant impact on the business and did not cause any significant disruption to Company’s operations No ransom payments have been made by the Company

Exhibit 99.1 Supernus Pharmaceuticals Targeted in Ransomware Incident The attack had no significant impact on the business and did not cause any significant disruption to Company?s operations No ransom payments have been made by the Company ROCKVILLE, Md., Nov. 24, 2021 - Supernus Pharmaceuticals, Inc. (NASDAQ: SUPN), a biopharmaceutical company, today announced that it was the recent target of a

November 26, 2021 8-K

Financial Statements and Exhibits, Other Events

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

November 24, 2021 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) ADAMAS PHARMACEUTICALS, INC. (Name of Subject Compa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) ADAMAS PHARMACEUTICALS, INC. (Name of Subject Company (Issuer)) SUPERNUS REEF, INC. (Offeror) A Wholly Owned Subsidiary of SUPERNUS PHARMACEUTICALS, INC. (Parent of Offeror) Common Stock par value $0.0

November 24, 2021 EX-99.1

Supernus Pharmaceuticals Completes Acquisition of Adamas Pharmaceuticals Acquisition strengthens Parkinson’s disease portfolio and diversifies revenue and cash flow

Exhibit 99.1 Supernus Pharmaceuticals Completes Acquisition of Adamas Pharmaceuticals Acquisition strengthens Parkinson?s disease portfolio and diversifies revenue and cash flow ROCKVILLE, MD, November 24, 2021 ? Supernus Pharmaceuticals, Inc. (NASDAQ: SUPN) today announced that it has successfully completed its previously announced acquisition of Adamas Pharmaceuticals, Inc. (NASDAQ: ADMS). ?Adam

November 24, 2021 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

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

November 23, 2021 SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) ADAMAS PHARMACEUTICALS, INC. (Name of Subject Compa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) ADAMAS PHARMACEUTICALS, INC. (Name of Subject Company (Issuer)) SUPERNUS REEF, INC. (Offeror) A Wholly Owned Subsidiary of SUPERNUS PHARMACEUTICALS, INC. (Parent of Offeror) Common Stock par value $0.0

November 23, 2021 EX-99.(A)(5)(C)

Press Release issued by Supernus on November 23, 2021.**

Exhibit (a)(5)(C) Supernus Pharmaceuticals Announces Expiration of Hart-Scott-Rodino Waiting Period for Adamas Pharmaceuticals Tender Offer ROCKVILLE, MD, November 23, 2021 ? Supernus Pharmaceuticals, Inc.

November 5, 2021 EX-10.1

Amendment to Deed of Lease, August 23, 2021, by and between Supernus Pharmaceuticals, Inc. and Key West MD Owner, LLC (incorporated by reference to Exhibit 10.1 to the Form

Amendment To DEED OF Lease THIS AMENDMENT TO DEED OF LEASE (this ?Amendment?) is made this 23 day of, August 2021 (the ?Effective Date?), by and between KEY WEST MD OWNER LLC, a Delaware limited liability company (?Landlord?), and SUPERNUS PHARMACEUTICALS, INC.

November 5, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 September 30, 2021 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

November 4, 2021 EX-99.1

Supernus Announces Third Quarter 2021 Financial Results

Exhibit 99.1 Supernus Announces Third Quarter 2021 Financial Results ?Total revenues for the first nine months of 2021 were $420.7 million; a 12% increase compared to $376.8 million in the first nine months of 2020 ?Third quarter 2021 total revenues were $148.5 million, a 4% decrease compared to $155.1 million in third quarter 2020 ?Strengthen Parkinson's disease portfolio and diversify revenue an

November 4, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 3, 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 o

October 28, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 27, 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 o

October 28, 2021 EX-99.1

Supernus to Announce Third Quarter 2021 Financial Results and Host Conference Call on November 3, 2021

Exhibit 99.1 Supernus to Announce Third Quarter 2021 Financial Results and Host Conference Call on November 3, 2021 ROCKVILLE, Md., October 27, 2021 - Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the Company expects to report financial an

October 25, 2021 SC TO-T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 ADAMAS PHARMACEUTICALS, INC. (Name of Subject Company (Issuer)) Super

? ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 ADAMAS PHARMACEUTICALS, INC. (Name of Subject Company (Issuer)) Supernus Reef, Inc. (Offeror) A Wholly Owned Subsidiary of SUPERNUS PHARMACEUTICALS, INC. (Parent of Offeror) Common Stock par value $0.001 per share

October 25, 2021 EX-99.A1C

Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.*

? ?Exhibit (a)(1)(C) ? Offer to Purchase All Outstanding Shares of Common Stock of ADAMAS PHARMACEUTICALS, INC.

October 25, 2021 EX-99.D3

Mutual Non-Disclosure Agreement, dated August 9, 2021, by and among Supernus Pharmaceuticals, Inc. and Adamas Pharmaceuticals, Inc.*

CONFIDENTIAL Supernus Pharmaceuticals, Inc. 9715 Key West Avenue Rockville, MD 20850 Attention: Jack Khattar Dear Mr. Khattar: ADAMAS August 9, 2021 In connection with the consideration by Supernus Pharmaceuticals, Inc. (together with its subsidiaries, "you") of a possible negotiated transaction (a "Transaction") involving Adamas Pharmaceuticals, Inc. (together with its subsidiaries, the "Company"

October 25, 2021 EX-99.D2

Form of Contingent Value Rights Agreement.*

Exhibit (d)(2) CONTINGENT VALUE RIGHTS AGREEMENT THIS CONTINGENT VALUE RIGHTS AGREEMENT, dated as of [?], 2021 (this ?Agreement?), is entered into by and between Supernus Pharmaceuticals, Inc.

October 25, 2021 EX-99.A1B

Letter of Transmittal (including Guidelines for Certification of Taxpayer Identification Number on IRS Form W-9).*

? ?Exhibit (a)(1)(B)? Letter of Transmittal to Tender Shares of Common Stock of ADAMAS PHARMACEUTICALS, INC.

October 25, 2021 EX-99.A1A

Offer to Purchase, dated October 25, 2021.*

TABLE OF CONTENTS ?Exhibit (a)(1)(A)? Offer to Purchase All Outstanding Shares of Common Stock of ADAMAS PHARMACEUTICALS, INC.

October 25, 2021 EX-99.A1D

Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.*

? ?Exhibit (a)(1)(D) ? Offer to Purchase All Outstanding Shares of Common Stock of ADAMAS PHARMACEUTICALS, INC.

October 25, 2021 EX-99.A1E

Summary Advertisement, published in the

Exhibit (a)(1)(E) This announcement is neither an offer to purchase nor a solicitation of an offer to sell Shares (as defined below).

October 12, 2021 8-K

Entry into a Material Definitive Agreement, Other Events, Financial Statements and Exhibits

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): October 10, 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 o

October 12, 2021 SC TO-C

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): October 10, 2021 Supernus Pharmac

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): October 10, 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 o

October 12, 2021 EX-2.1

Agreement and Plan of Merger, dated October 10, 2021, by and among Supernus Pharmaceuticals, Inc., Supernus Reef, Inc. and Adamas Pharmaceuticals, Inc. (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K filed by Adamas on October 12, 2021 (File No. 001-36399)).

Exhibit 2.1 EXECUTION COPY AGREEMENT AND PLAN OF MERGER by and among: ADAMAS PHARMACEUTICALS, INC., SUPERNUS PHARMACEUTICALS, INC., and SUPERNUS REEF, INC. Dated as of October 10, 2021 TABLE OF CONTENTS Page Article 1 DEFINITIONS 2 Section 1.1 Definitions 2 Article 2 THE OFFER 14 Section 2.1 The Offer 14 Section 2.2 Company Actions 17 Article 3 MERGER TRANSACTION 18 Section 3.1 Merger of Purchaser

October 12, 2021 EX-99.2

© 2021 Supernus Pharmaceuticals, Inc. All Rights Reserved. 1 Acquisition of Adamas Pharmaceuticals, Inc. Transaction Overview October 11, 2021

Exhibit 99.2 ? 2021 Supernus Pharmaceuticals, Inc. All Rights Reserved. 1 Acquisition of Adamas Pharmaceuticals, Inc. Transaction Overview October 11, 2021 ? 2021 Supernus Pharmaceuticals, Inc. All Rights Reserved. Safe Harbor Statement This presentation and other matters discussed today or answers that may be given to questions asked include forward - looking statements within the meaning of the

October 12, 2021 EX-99.1

Supernus Pharmaceuticals to Acquire Adamas Pharmaceuticals Strengthening its CNS Product Portfolio

Exhibit 99.1 Supernus Pharmaceuticals to Acquire Adamas Pharmaceuticals Strengthening its CNS Product Portfolio October 11, 2021 ? Acquisition of two marketed products diversifies and accelerates revenue and cash flow ? Expected to be significantly accretive in 2022 ? Potential synergies of $60 million to $80 million in year one due to strong overlap with existing infrastructure ? Total considerat

September 3, 2021 EX-99.1

Supernus Announces Qelbree™ sNDA for Adult Indication Accepted for Review by FDA

Exhibit 99.1 Supernus Announces Qelbree? sNDA for Adult Indication Accepted for Review by FDA ROCKVILLE, Md., September 2, 2021 ? Supernus Pharmaceuticals, Inc. (Nasdaq: SUPN), a biopharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (CNS) diseases, today announced that the U.S. Food and Drug Administration (FDA) has acknowledged it

September 3, 2021 8-K

Financial Statements and Exhibits, Other Events

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): September 2, 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

August 6, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 June 30, 2021 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: 001-35518 SUPERNUS PHARMACEUTICALS, INC.

August 6, 2021 EX-10.5

Exhibit 10.2 - Form of Restricted Stock Unit Award Agreement, under the Supernus Pharmaceuticals, Inc. 2021 Equity Incentive Plan (incorporated by reference to Exhibit 10.5 to the Form 10-Q filed on August 6, 2021, File No. 001-35518).

EX-10.5 6 supn-20210630x10qxex105.htm EX-10.5 Exhibit 10.5 SUPERNUS PHARMACEUTICALS, INC. 2021 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT This Restricted Stock Unit Award Agreement (the “Agreement”) is made and entered into as of , (the “Grant Date”). This Agreement evidences a restricted stock unit award granted by Supernus Pharmaceuticals, Inc. (the “Company”) to the undersigned

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