Assertio CEO granted 26,667 stock options

Reisenauer Mark L reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Reisenauer Mark L reported acquisition or exercise transactions in this Form 4 filing.

Assertio Holdings CEO Mark L. Reisenauer received a grant of 26,667 stock options on March 2, 2026. These derivative securities were awarded at no cost to him and give the right to buy Assertio common stock.

One-third of the options will vest on each of the first three anniversaries of the grant date, assuming he remains employed through each vesting date. The reported amounts have been adjusted to reflect a 1-for-15 reverse stock split that occurred on December 26, 2025.

Insider Trade Summary

Grant/Award: 26,667 shares

Grant/Award 1 txn

Insider Reisenauer Mark L

Role CEO

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (right to buy)	26,667	$0.00	$0.00

Holdings After Transaction: Stock Option (right to buy) — 26,667 contracts (Direct)

Footnotes (3)

1. 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.
2. 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.
3. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Assertio Holdings (ASRT) report on this Form 4?

Assertio Holdings reported that CEO Mark L. Reisenauer received a grant of 26,667 stock options on March 2, 2026. These derivative securities provide a right to buy company stock and were awarded without the CEO paying consideration for the options.

How many stock options did Assertio CEO Mark Reisenauer receive?

Mark Reisenauer received 26,667 stock options, as reported after a 1-for-15 reverse stock split adjustment. This entire amount is shown as directly owned following the transaction, reflecting a new grant rather than a purchase on the open market.

What is the vesting schedule for the Assertio (ASRT) CEO’s 26,667 stock options?

The 26,667 stock options vest in three equal parts over three years. One-third vests on each of the first three anniversaries of the March 2, 2026 grant date, provided Mark Reisenauer remains employed through each applicable vesting date.

Did Assertio’s CEO pay for the 26,667 stock options reported on Form 4?

No, the filing states the derivative securities were granted to Mark Reisenauer and not sold to him. As a result, he did not pay any consideration for the 26,667 stock options reported in this Form 4 transaction.

How did Assertio’s 1-for-15 reverse stock split affect this Form 4 data?

The company completed a 1-for-15 reverse stock split on December 26, 2025. The Form 4 explains that the number of securities reported, including the 26,667 stock options, has been adjusted to reflect the impact of that reverse stock split.

Is the Assertio (ASRT) CEO’s Form 4 transaction a buy or a grant?

The transaction is classified as a grant or award acquisition of derivative securities, not a market buy. The Form 4 uses transaction code “A” and explains the stock options were granted to Mark Reisenauer, with no consideration paid by him.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/03/2026 - 07:22 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Reisenauer Mark L

(Last) (First) (Middle)

ASSERTIO HOLDINGS, INC.

100 SOUTH SANDERS ROAD, SUITE 300

(Street)

LAKE FORREST IL 60045

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Assertio Holdings, Inc. [ ASRT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	$11.77	03/02/2026		A		26,667(1)		(2)	03/02/2036	Common Stock	26,667	$0(3)	26,667	D

Explanation of Responses:

1. 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.

2. 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.

3. 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.

	/s/ Sam Schlessinger, Attorney-in-Fact for Mark L. Reisenauer	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.