Jonathan Rubin - 24 Feb 2026 Form 4 Insider Report for SUPERNUS PHARMACEUTICALS, INC. (SUPN)

Signature
/s/ Timothy C. Dec, as attorney-in-fact
Issuer symbol
SUPN
Transactions as of
24 Feb 2026
Net transactions value
-$49,731
Form type
4
Filing time
25 Feb 2026, 16:51:15 UTC
Previous filing
20 Feb 2026
Next filing
26 Feb 2026

Reporting Owners (1)

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

Transactions Table

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

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 -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
* 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.