X0508 4 2025-07-01 true 0001000623 Mativ Holdings, Inc. MATV 0002013794 Downard Andrew 100 KIMBALL PLACE SUITE 600 ALPHARETTA GA 30009 false true false false Chief Supply Chain Officer false Common Stock 2025-07-01 4 M false 1200.00 0.00 A 21896.00 D Common Stock 2025-07-01 4 D false 1200.00 6.82 D 20696.00 D Common Stock 2025-07-01 4 M false 8364.00 0.00 A 29060.00 D Common Stock 2025-07-01 4 F false 2518.00 6.82 D 26542.00 D Common Stock 2025-07-01 4 F false 5361.00 6.82 D 21181.00 D RSU 2025-07-01 4 M false 1200.00 D Common Stock 1200.00 0.00 D RSU 2025-07-01 4 M false 8364.00 D Common Stock 8364.00 0.00 D In connection with the reporting person's departure from Mativ Holdings, Inc. (the "Company"), the Board approved the accelerated vesting of 1,200 restricted stock units originally granted on January 30, 2024, which would have fully vested on February 16, 2026. The balance was adjusted to account for the over reporting of 82 shares on March 14, 2025. The transaction reflects the accelerated cash settlement of 1,200 vested RSUs on July 1, 2025. In connection with the reporting person's departure from the Company, the Board approved the accelerated vesting of 8,364 restricted stock units originally granted on April 26, 2024, which would have fully vested on February 13, 2027. Represents shares withheld in payment of tax liability resulting from the accelerated vesting of previously reported restricted stock units, in connection with the reporting person's departure from the Company. In connection with the reporting person's departure from the Company, the Board approved the accelerated vesting of 17,913 restricted stock units originally granted on March 19, 2025, which would have fully vested on March 19, 2028. /s/ Mark Johnson, attorney-in-fact for Andrew Downard, principal 2025-07-02