Company: SUPN
Filing Date: 2025-04-30
Form Type: DEF 14A
Source: 0001104659-25-042531
Chunk: 6

Company: SUPERNUS PHARMACEUTICALS, INC.
Filing Date: 2025-04-30
Form: DEF 14A
Chunk 6
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 beneficial ownership of our Common Stock as of April 22, 2025 by: (i) any person who, to our knowledge, owns 5% or more of the Common Stock on an as-converted basis, (ii) our named executive officers (“NEOs”) and our directors and director nominees individually, and (iii) all of our executive officers and directors, as a group. Unless otherwise indicated, the address for each of the stockholders listed in the table below is c/o Supernus Pharmaceuticals, Inc., 9715 Key West Avenue, Rockville, Maryland 20850. Beneficial ownership is determined in accordance with the rules and regulations of the United States Securities and Exchange Commission (SEC). In computing the number of shares beneficially owned by a person and the percentage ownership of that person, shares of common stock subject to options held by that person that are currently exercisable or exercisable within sixty (60) days of April 22, 2025, are deemed outstanding. These shares, however, are not deemed outstanding for the purposes of computing the percentage ownership of any other person. Except as indicated in the footnotes to this table and pursuant to applicable community property laws, we believe each stockholder named in the table has sole voting and investment power with respect to the shares set forth opposite that stockholders’ name.

| Name and Address of Beneficial Owner                                                            | ​ | ​ | Number of Shares ofCommon StockBeneficially Owned |   |           |   | ​ | ​ | Percentage of Sharesof Common StockBeneficially Owned |   |       |   | ​ |
| 5% Stockholders:                                                                                | ​ | ​ | ​                                                 | ​ |         ​ | ​ | ​ | ​ | ​                                                     | ​ | ​     | ​ | ​ |
| BlackRock, Inc. and its affiliates﻿(1)50 Hudson YardsNew York, NY 10001                         | ​ | ​ | ​                                                 | ​ | 8,197,023 | ​ | ​ | ​ | ​                                                     | ​ | 14.6% | ​ | ​ |
| The Vanguard Group and its affiliates﻿(2)100 Vanguard Blvd.Malvern, PA 19355                    | ​ | ​ | ​                                                 | ​ | 6,214,731 | ​ | ​ | ​ | ​                                                     | ​ | 11.1% | ​ | ​ |
| Armistice Capital, LLC﻿(3)510 Madison Avenue, 7th FloorNew York, NY