Mark L. Reisenauer - 02 Mar 2026 Form 4 Insider Report for Assertio Holdings, Inc. (ASRT)

Role: CEO, Director
Signature: /s/ Sam Schlessinger, Attorney-in-Fact for Mark L. Reisenauer
Issuer symbol: ASRT
Transactions as of: 02 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 03 Mar 2026, 19:22:48 UTC
Previous filing: 14 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Reisenauer Mark L	CEO, Director	ASSERTIO HOLDINGS, INC., 100 SOUTH SANDERS ROAD, SUITE 300, LAKE FORREST	/s/ Sam Schlessinger, Attorney-in-Fact for Mark L. Reisenauer	03 Mar 2026	0001413481

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	ASRT	Stock Option (right to buy)	Award	$0	+26,667		$0.000000	26,667	02 Mar 2026	Common Stock	26,667	$11.77	Direct	F1, F2, F3

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

Explanation of Responses:

Id	Content
F1	On December 26, 2025, the Issuer effected a 1-for-15 reverse stock split (the "Reverse Stock Split"). The number of securities reported on this Form 4 have been adjusted to reflect the Reverse Stock Split.
F2	One-third of these stock options are scheduled to vest on each of the first three anniversaries of the grant date, assuming continued employment through the applicable vesting date.
F3	The derivative securities were granted to the reporting person, and were not sold to the reporting person. As such, the reporting person did not pay any consideration for the derivative securities.