X0508 4 2025-05-23 false 0001000623 Mativ Holdings, Inc. MATV 0001802219 JOHNSON MARK W 100 KIMBALL PLACE SUITE 600 ALPHARETTA GA 30009 false true false false CLO and Corporate Secretary false Common Stock 2025-05-23 4 A false 89655.00 0.00 A 123608.00 D Represents a grant of restricted stock units ("RSUs"). Each RSU represents a right to receive one share of the Issuer's common stock upon vesting. Each RSU will vest on the second anniversary of the grant date subject to Reporting Person's employment or service with the Issuer as contemplated in the RSU Agreement. /s/ Brian Park, attorney-in-fact for Mark W. Johnson, principal 2025-05-23