Timothy C. Dec - 06 Mar 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
06 Mar 2026
Net transactions value
$0
Form type
4
Filing time
10 Mar 2026, 16:12:53 UTC
Previous filing
03 Mar 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 10 Mar 2026 0001194020

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SUPN Common Stock Options Exercise +3,000 +59% $0.000000* 8,115 06 Mar 2026 Direct
transaction SUPN Common Stock Tax liability -1,433 -18% $54.73* 6,682 06 Mar 2026 Direct F1
transaction SUPN Common Stock Options Exercise +3,000 +45% $0.000000* 9,682 06 Mar 2026 Direct
transaction SUPN Common Stock Tax liability -1,450 -15% $54.73* 8,232 06 Mar 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 Performance Share Unit Options Exercise -3,000 -100% $0.000000* 0 06 Mar 2026 Common Stock 3,000 $0.000000 Direct F2
transaction SUPN Performance Share Unit Options Exercise -3,000 -100% $0.000000* 0 06 Mar 2026 Common Stock 3,000 $0.000000 Direct F2
* 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 vesting of Performance Share Units.
F2 On February 22, 2024, the Reporting Person was awarded Performance Share Units, a portion of which vested upon the achievement of individual performance objectives within a defined performance period, which objectives were established on June 24, 2024.