William Todd Horich - 06 Mar 2026 Form 4 Insider Report for SUPERNUS PHARMACEUTICALS, INC. (SUPN)

Role
SVP, Commercial Operations
Signature
/s/ Timothy C. Dec, as attorney-in-fact
Issuer symbol
SUPN
Transactions as of
06 Mar 2026
Net transactions value
-$483,797
Form type
4
Filing time
10 Mar 2026, 16:12:10 UTC
Previous filing
10 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Horich William Todd SVP, Commercial Operations C/O SUPERNUS PHARMACEUTICALS, INC.,, 9715 KEY WEST AVENUE, ROCKVILLE /s/ Timothy C. Dec, as attorney-in-fact 10 Mar 2026 0002117599

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SUPN Common Stock Options Exercise +2,625 +54% $0.000000* 7,457 06 Mar 2026 Direct
transaction SUPN Common Stock Tax liability -1,216 -16% $54.73* 6,241 06 Mar 2026 Direct F1
transaction SUPN Common Stock Options Exercise +3,750 +60% $0.000000* 9,991 06 Mar 2026 Direct
transaction SUPN Common Stock Tax liability -1,718 -17% $54.73* 8,273 06 Mar 2026 Direct F1
transaction SUPN Common Stock Options Exercise +1,125 +14% $0.000000* 9,398 06 Mar 2026 Direct
transaction SUPN Common Stock Tax liability -521 -5.5% $54.73* 8,877 06 Mar 2026 Direct F1
transaction SUPN Common Stock Sale $239,652 -4,438 -50% $54.00 4,439 09 Mar 2026 Direct
transaction SUPN Common Stock Sale $244,145 -4,439 -100% $55.00 0 10 Mar 2026 Direct

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 -2,625 -100% $0.000000* 0 06 Mar 2026 Common Stock 2,625 $0.000000 Direct F2
transaction SUPN Performance Share Unit Options Exercise -3,750 -100% $0.000000* 0 06 Mar 2026 Common Stock 3,750 $0.000000 Direct F2
transaction SUPN Performance Share Unit Options Exercise -1,125 -100% $0.000000* 0 06 Mar 2026 Common Stock 1,125 $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.