| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| DEC TIMOTHY C | Senior Vice-President & CFO | C/O SUPERNUS PHARMACEUTICALS, INC., 9715 KEY WEST AVENUE, ROCKVILLE | /s/ Timothy C. Dec | 26 Feb 2026 | 0001194020 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SUPN | Common Stock | Award | $0 | +2,500 | +64% | $0.000000 | 6,394 | 25 Feb 2026 | Direct | |
| transaction | SUPN | Common Stock | Tax liability | $64,833 | -1,279 | -20% | $50.69 | 5,115 | 25 Feb 2026 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SUPN | Restricted Stock Unit | Disposed to Issuer | $0 | -2,500 | -50% | $0.000000 | 2,500 | 25 Feb 2026 | Common Stock | 2,500 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | Represents the number of shares of common stock withheld by the Company to satisfy tax withholding requirements in connection with the RSU vesting. |
| F2 | Each restricted stock unit represents the right to receive one share of Supernus common stock upon vesting. |
| F3 | These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 23, 2024. |