| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Rubin Jonathan | SVP, Chief Medical Officer | C/O SUPERNUS PHARMACEUTICALS, INC.,, 9715 KEY WEST AVENUE, ROCKVILLE | /s/ Timothy C. Dec, as attorney-in-fact | 25 Feb 2026 | 0001836067 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SUPN | Common Stock | Award | $0 | +1,125 | +10% | $0.000000 | 12,409 | 24 Feb 2026 | Direct | |
| transaction | SUPN | Common Stock | Tax liability | $30,964 | -603 | -4.9% | $51.35 | 11,806 | 24 Feb 2026 | Direct | F1 |
| transaction | SUPN | Common Stock | Award | $0 | +750 | +6.4% | $0.000000 | 12,556 | 24 Feb 2026 | Direct | |
| transaction | SUPN | Common Stock | Tax liability | $18,767 | -369 | -2.9% | $50.86 | 12,187 | 24 Feb 2026 | Direct | F1 |
| transaction | SUPN | Common Stock | Award | $0 | +1,250 | +10% | $0.000000 | 13,437 | 24 Feb 2026 | Direct | |
| transaction | SUPN | Common Stock | Tax liability | $0 | -671 | -5% | $0.000000 | 12,766 | 24 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 | -1,125 | -25% | $0.000000 | 3,375 | 24 Feb 2026 | Common Stock | 1,125 | Direct | F2, F3 | |
| transaction | SUPN | Restricted Stock Unit | Disposed to Issuer | $0 | -750 | -100% | $0.000000 | 0 | 24 Feb 2026 | Common Stock | 750 | Direct | F2, F4 | |
| transaction | SUPN | Restricted Stock Unit | Disposed to Issuer | $0 | -1,250 | -33% | $0.000000 | 2,500 | 24 Feb 2026 | Common Stock | 1,250 | Direct | F2, F5 |
| 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 19, 2026. |
| F4 | These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2023. |
| F5 | These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2025. |