Timothy C. Dec - 24 Feb 2026 Form 4 Insider Report for SUPERNUS PHARMACEUTICALS, INC. (SUPN)

Role
Senior Vice-President & CFO
Signature
/s/ Timothy C. Dec
Issuer symbol
SUPN
Transactions as of
24 Feb 2026
Net transactions value
-$120,783
Form type
4
Filing time
25 Feb 2026, 17:22:00 UTC
Previous filing
20 Feb 2026
Next filing
26 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

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 25 Feb 2026 0001194020

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SUPN Common Stock Award $0 +1,125 +69% $0.000000 2,763 24 Feb 2026 Direct
transaction SUPN Common Stock Tax liability $30,964 -603 -22% $51.35 2,160 24 Feb 2026 Direct F1
transaction SUPN Common Stock Award $0 +500 +23% $0.000000 2,660 24 Feb 2026 Direct
transaction SUPN Common Stock Tax liability $12,308 -242 -9.1% $50.86 2,418 24 Feb 2026 Direct F1
transaction SUPN Common Stock Award $0 +3,000 +124% $0.000000 5,418 24 Feb 2026 Direct
transaction SUPN Common Stock Tax liability $77,511 -1,524 -28% $50.86 3,894 24 Feb 2026 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

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 -500 -100% $0.000000 0 24 Feb 2026 Common Stock 500 Direct F2, F4
transaction SUPN Restricted Stock Unit Disposed to Issuer $0 -3,000 -33% $0.000000 6,000 24 Feb 2026 Common Stock 3,000 Direct F2, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

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.