X0508 4 2024-01-30 false 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 2024-02-16 4 M false 1200.00 0.00 A 1282.00 D Common Stock 2024-02-16 4 D false 1200.00 12.73 D 82.00 D Common Stock 2025-02-16 4 M false 1200.00 0.00 A 3983.00 D Common Stock 2025-02-16 4 D false 1200.00 9.10 D 82.00 D Common Stock 2025-02-13 4 M false 4182.00 0.00 A 4346.00 D Common Stock 2025-02-13 4 F false 1481.00 8.74 D 2865.00 D Restricted Stock Units 2024-04-26 4 A false 12546.00 A Common Stock 12546.00 12546.00 D Restricted Stock Units 2025-02-13 4 M false 4182.00 D Common Stock 4182.00 8364.00 D Restricted Stock Units 2024-01-30 4 A false 3600.00 A Common Stock 3600.00 3600.00 D Restricted Stock Units 2024-02-16 4 M false 1200.00 D Common Stock 1200.00 2400.00 D Restricted Stock Units 2025-02-16 4 M false 1200.00 D Common Stock 1200.00 1200.00 D On January 30, 2024, the reporting person was granted 3,600 RSUs subject to time vesting. 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. 1,200 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 18,083 shares due to (i) 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 March 11, 2024 and April 30, 2024 and (ii) a clerical error in recording an acquisition of 15,683 RSUs instead of 12,546 RSUs on the reporting person's Form 4 filed on April 30, 2024. The transaction reflects the cash settlement of 1,200 vested RSUs on each of February 16, 2024 and 2025. On April 26, 2024, the reporting person was 12,546 restricted stock units ("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. 4,182 RSUs vested on February 13, 2025. Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs. These RSUs were incorrectly disclosed in Table I on the reporting person's Form 4 documents filed on April 30, 2024. These RSUs were incorrectly disclosed in Table I on the reporting person's Form 4 documents filed on March 11, 2024. /s/ Mark Johnson, attorney-in-fact for Andrew Downard, principal 2025-03-14