Jack A. Khattar - 28 Feb 2026 Form 4 Insider Report for SUPERNUS PHARMACEUTICALS, INC. (SUPN)

Role: President, CEO, Director
Signature: /s/ Timothy C. Dec, as attorney-in-fact
Issuer symbol: SUPN
Transactions as of: 28 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 03 Mar 2026, 16:12:06 UTC
Previous filing: 20 Feb 2026
Next filing: 10 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Khattar Jack A.	President, CEO, Director	C/O SUPERNUS PHARMACEUTICALS INC., 9715 KEY WEST AVENUE, ROCKVILLE	/s/ Timothy C. Dec, as attorney-in-fact	03 Mar 2026	0001539937

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	Award	$0	+38,640		$0.000000	38,640	28 Feb 2026	Common Stock	38,640	$0.000000	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.