X0508 4 2022-08-10 false 0001000623 Mativ Holdings, Inc. MATV 0001927959 Allegri Cheryl C/O MATIV HOLDINGS, INC, 100 KIMBALL PLACE, SUITE 600 ALPHARETTA GA 30009 false true false false Controller false Common Stock 2024-02-16 4 M false 642.00 0.00 A 9077.00 D Common Stock 2024-02-16 4 D false 642.00 12.73 D 8435.00 D Common Stock 2024-12-29 4 A false 200.00 0.00 A 8160.00 D Common Stock 2024-12-29 4 D false 200.00 10.97 D 7960.00 D Common Stock 2025-02-13 4 M false 1226.00 0.00 A 9186.00 D Common Stock 2025-02-13 4 F false 435.00 8.79 D 8751.00 D Common Stock 2025-02-16 4 M false 642.00 0.00 A 9393.00 D Common Stock 2025-02-16 4 D false 642.00 9.10 D 8751.00 D Common Stock 2025-02-16 4 M false 1764.00 0.00 A 10515.00 D Common Stock 2025-02-16 4 D false 1764.00 9.10 D 8751.00 D Restricted Stock Units 2024-04-26 4 A false 3677.00 0.00 A Common Stock 3677.00 3677.00 D Restricted Stock Units 2025-02-13 4 M false 1226.00 0.00 D Common Stock 1226.00 2451.00 D Restricted Stock Units 2023-02-16 4 A false 1926.00 0.00 A Common Stock 1926.00 1926.00 D Restricted Stock Units 2024-02-16 4 M false 642.00 0.00 D Common Stock 642.00 642.00 D Restricted Stock Units 2025-02-16 4 M false 642.00 0.00 D Common Stock 642.00 642.00 D Restricted Stock Units 2022-08-10 4 A false 1764.00 0.00 A Common Stock 1764.00 1764.00 D Restricted Stock Units 2025-02-16 4 M false 1764.00 0.00 D Common Stock 1764.00 0.00 D On February 16, 2023, the reporting person was granted 1,926 RSUs subject to time vesting. Such RSUs vest in three equal annual installments beginning on February 16, 2025 and each anniversary thereafter. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. 642 RSUs vested on each of February 16, 2024 and 2025. The reporting person's number of shares of common stock owned was previously overstated by 3,048 shares as of February 16, 2024, due to a number of RSUs that should have been reported in Table II instead of Table I on the reporting person's Form 4 documents filed on May 18, 2023. The transaction reflects the re-reporting of the vesting of 642 RSUs previously reported on the reporting person's Form 4 filed February 20, 2024. The transaction also reflects the cash settlement of 642 vested RSUs. The transaction reflects the cash settlement of 642 vested RSUs on each of February 16, 2024 and 2025. On December 29, 2020, the reporting person was granted 200 restricted stock units ("RSUs") subject to time vesting. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. 200 RSUs vested on December 29, 2024. The reporting person's number of shares of common stock owned was previously overstated by an aggregate of 6,725 shares as of May 9, 2024, due to a number of RSUs that should have been reported in Table II instead of Table I on the reporting person's Form 4 documents filed on May 18, 2023 and May 9, 2024. The amount of shares beneficially owned in Column 5 also takes into account the disposition of an aggregate 475 RSUs that were settled for cash as previously disclosed on the reporting person's Form 4 filed on February 20, 2024. The transaction reflects the cash settlement of 200 vested RSUs. On April 26, 2024, the reporting person was granted 3,677 RSUs subject to time vesting. Such RSUs vest in three equal annual installments beginning on February 13, 2025 and each anniversary thereafter. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. 1,226 RSUs vested on February 13, 2025. Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs. These RSUs were incorrectly reported in Table I instead of Table II on the reporting person's Form 4 filed on May 18, 2023. On August 11, 2022, the reporting person was granted 1,764 RSUs subject to time vesting. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. 1,764 RSUs vested on February 16, 2025. The transaction reflects the cash settlement of 1,764 vested RSUs. These RSUs were incorrectly reported in Table I instead of Table II on the reporting person's Form 4 filed on May 9, 2024. These RSUs were incorrectly reported in Table I instead of Table II on the reporting person's Form 4 filed on September 6, 2022. /s/ Honor Winks, attorney-in-fact for Cheryl Allegri, principal 2025-03-14