DEC TIMOTHY C 4
4 · SUPERNUS PHARMACEUTICALS, INC. · Filed Feb 25, 2026
Insider Transaction Report
Form 4
DEC TIMOTHY C
Senior Vice-President & CFO
Transactions
- Award
Common Stock
2026-02-24+1,125→ 2,763 total - Tax Payment
Common Stock
[F1]2026-02-24$51.35/sh−603$30,964→ 2,160 total - Award
Common Stock
2026-02-24+500→ 2,660 total - Tax Payment
Common Stock
[F1]2026-02-24$50.86/sh−242$12,308→ 2,418 total - Award
Common Stock
2026-02-24+3,000→ 5,418 total - Tax Payment
Common Stock
[F1]2026-02-24$50.86/sh−1,524$77,511→ 3,894 total - Disposition to Issuer
Restricted Stock Unit
[F2][F3]2026-02-24−1,125→ 3,375 total→ Common Stock (1,125 underlying) - Disposition to Issuer
Restricted Stock Unit
[F2][F4]2026-02-24−500→ 0 total→ Common Stock (500 underlying) - Disposition to Issuer
Restricted Stock Unit
[F2][F5]2026-02-24−3,000→ 6,000 total→ Common Stock (3,000 underlying)
Footnotes (5)
- [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.
Signature
/s/ Timothy C. Dec|2026-02-25