X0508 4 2026-01-16 true 0001000623 Mativ Holdings, Inc. MATV 0001971783 Weitzel Gregory Thomas 100 KIMBALL PLACE SUITE 600 ALPHARETTA GA 30009 false true false false CFO false Common Stock 2026-01-16 4 M false 2159.00 0.00 A 46145.00 D Common Stock 2026-01-16 4 D false 2159.00 12.53 D 43986.00 D Common Stock 2026-01-16 4 M false 564.00 0.00 A 44550.00 D Common Stock 2026-01-16 4 D false 564.00 12.53 D 43986.00 D Common Stock 2026-01-16 4 M false 6149.00 0.00 A 50135.00 D Common Stock 2026-01-16 4 F false 2648.00 12.53 D 47487.00 D Common Stock 2026-01-16 4 F false 2798.00 12.53 D 44689.00 D Common Stock 2026-01-16 4 D false 26167.00 0.00 D 18522.00 D Common Stock 2026-01-16 4 A false 2351.00 0.00 A 20873.00 D Common Stock 2026-01-16 4 D false 2351.00 12.53 D 18522.00 D Common Stock 2026-01-16 4 A false 9003.00 0.00 A 27525.00 D Common Stock 2026-01-16 4 D false 9003.00 12.53 D 18522.00 D Common Stock 2026-01-16 4 A false 27514.00 0.00 A 46036.00 D Common Stock 2026-01-16 4 F false 9027.00 12.53 D 37009.00 D Common Stock 2026-01-16 4 A false 24118.00 0.00 A 61127.00 D Common Stock 2026-01-16 4 F false 7260.00 12.53 D 53867.00 D Restricted Stock Units 2026-01-16 4 M false 2254.00 D Common Stock 2254.00 0.00 D Restricted Stock Units 2026-01-16 4 M false 589.00 D Common Stock 589.00 0.00 D Restricted Stock Units 2026-01-16 4 M false 14022.00 D Common Stock 14022.00 0.00 D On February 16, 2023, the reporting person was granted 6,762 restricted stock units subject to time vesting ("RSUs"). Such RSUs vest in three equal annual installments beginning on February 16, 2024 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. The reporting person separated from Mativ Holdings, Inc. (the "Issuer") and ceased to serve as its Chief Financial Officer effective December 31, 2025 (the "Separation"). Pursuant to the terms of the Separation, 2,159 RSUs were vested on January 16, 2026 (the "Settlement Date") and paid in cash on January 20, 2026. 95 RSUs remained unvested and were forfeited by the reporting person, and no shares will be issued with respect to any portion of the unvested award. On February 16, 2023, the reporting person was granted 1,765 RSUs. Such RSUs vest in three equal annual installments beginning on February 16, 2024, 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. Pursuant to the terms of the Separation, 564 RSUs were vested on the Settlement Date and paid in cash on January 20, 2026. 25 RSUs remained unvested and were forfeited by the reporting person, and no shares will be issued with respect to any portion of the unvested award. On April 26, 2024, the reporting person was granted 21,033 RSUs. 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 upon vesting. Pursuant to the terms of the Separation, 8,797 RSUs were vested in shares on the Settlement Date, 2,648 of such vested shares were withheld to satisfy tax withholding obligations, and the remaining 6,149 of such vested shares issued to the reporting person. These shares represent the shares withheld to satisfy tax withholding obligations arising from the prorated vesting of RSUs granted on April 26, 2024. On March 19, 2025, the reporting person was granted 35,461 RSUs (as disclosed in Table I on the reporting person's Form 4 filed with the Commission on March 21, 2025). Such RSUs vest in three equal annual installments beginning on March 19, 2026, and each anniversary thereafter. Each RSU represents a right to receive one share of the common stock of the issuer upon vesting. Pursuant to the terms of the Separation, 9,294 RSUs were vested in shares on the Settlement Date, 2,798 of such vested shares were withheld to satisfy tax withholding obligations, and the remaining 6,496 of such vested shares issued to the reporting person. 26,167 RSUs remained unvested and were forfeited by the reporting person, and no shares will be issued with respect to any portion of the unvested award. These shares represent shares that remained unvested and were forfeited by the reporting person for RSUs granted on March 19, 2025. On February 16, 2023, the reporting person was granted a target number of 2,648 restricted stock units subject to performance and time-based vesting ("PSUs"). Each PSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. Pursuant to the terms of the Separation, 2,351 PSUs were vested on the Settlement Date and paid in cash on January 20, 2026. The transaction reflects the cash settlement of 2,351 vested PSUs. On February 16, 2023, the reporting person was granted a target number of 10,142 PSUs. Each PSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. Pursuant to the terms of the Separation, 9,003 PSUs were vested on the Settlement Date and paid in cash on January 20, 2026. The transaction reflects the cash settlement of 9,003 vested PSUs. On April 26, 2024, the reporting person was granted a target number of 31,550 PSUs. Each PSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. Pursuant to the terms of the Separation, the reporting person was entitled to 27,514 PSUs were vested on the Settlement Date. These shares represent the shares withheld to satisfy tax withholding obligations arising from the prorated vesting of PSUs granted on April 26, 2024. On March 19, 2025, the reporting person was granted a target number of 53,191 PSUs. Each PSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. Pursuant to the terms of the Separation, 24,118 PSUs were vested on the Settlement Date. These shares represent the shares withheld to satisfy tax withholding obligations arising from the prorated vesting of PSUs granted on March 19, 2025. Brian Park, attorney-in-fact for Gregory Weitzel, principal 2026-01-21