WILLIAM M. COOK - 29 May 2025 Form 4 Insider Report for Mativ Holdings, Inc. (MATV)

Role: Director
Signature: /s/ Brian Park, attorney-in-fact for William M. Cook, principal
Issuer symbol: MATV
Transactions as of: 29 May 2025
Net transactions value: +$29,200
Form type: 4
Filing time: 02 Jun 2025, 16:06:19 UTC
Previous filing: 03 Apr 2025
Next filing: 02 Jul 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
COOK WILLIAM M	Director	MATIV HOLDINGS, 100 KIMBALL PLACE, STE 600, ALPHARETTA	/s/ Brian Park, attorney-in-fact for William M. Cook, principal	02 Jun 2025	0001226577

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MATV	Common Stock	Purchase	$29,200	+5,000	+23%	$5.84	26,436	29 May 2025	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Open market purchase.
F2	This transaction was executed in multiple trades at prices ranging from $5.82 to $5.86. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.