Mativ Holdings, Inc. Insider Trading Activity

Accepted by SEC EDGAR 07/02/2025 - 06:33 PM EDT Learn about SEC filing dates

Insider Trade Summary

Grant/Award: 18,943 shares

Grant/Award 2 txns

Insider COOK WILLIAM M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock	18,328	$6.82	$125K
Grant/Award	Phantom Stock	615	$5.55	$3K
Holding	Common Stock	--	--	--

Holdings After Transaction: Phantom Stock — 53,106 units (Direct); Common Stock — 26,436 shares (Direct)

Holdings Before and After: Phantom Stock, 34,163 to 53,106 units (Direct)

Footnotes (3)

1. F1. Represents an annual equity retainer of Restricted Stock Units ("RSUs") vesting on July 1, 2026, and granted pursuant to the Company's Outside Director Stock Plan. Deferred pursuant to the Director's election in accordance with the Company's Non-Employee Directors Deferred Compensation Plan.
2. F2. Stock units are converted to stock upon the earlier of retirement from the Board or termination as a Director in accordance with the Company's Non-Employee Directors Deferred Compensation Plan.
3. F3. Represents in-kind dividends credited pursuant to the Director's election under the Non-Employee Directors Deferred Compensation Plan.

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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^*

COOK WILLIAM M

(Last) (First) (Middle)

MATIV HOLDINGS

100 KIMBALL PLACE, STE 600

(Street)

ALPHARETTA GA 30009

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Mativ Holdings, Inc. [ MATV ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2025

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
Common Stock								26,436	D

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
Phantom Stock(1)	$0.00	07/01/2025		A		18,328		(2)	(2)	Common Stock	18,328	$6.82	52,491	D
Phantom Stock(3)	$0.00	07/01/2025		A		615		(2)	(2)	Common Stock	615	$5.55	53,106	D

Explanation of Responses:

1. Represents an annual equity retainer of Restricted Stock Units ("RSUs") vesting on July 1, 2026, and granted pursuant to the Company's Outside Director Stock Plan. Deferred pursuant to the Director's election in accordance with the Company's Non-Employee Directors Deferred Compensation Plan.

2. Stock units are converted to stock upon the earlier of retirement from the Board or termination as a Director in accordance with the Company's Non-Employee Directors Deferred Compensation Plan.

3. Represents in-kind dividends credited pursuant to the Director's election under the Non-Employee Directors Deferred Compensation Plan.

Remarks:

	/s/ Brian Park, attorney-in-fact for William M. Cook, principal	07/02/2025
	** 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.