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Each RSU represents a right to receive one share of the common stock of the Issuer upon vesting."}],"balance_after":19815,"derivative":{"underlying":"Common Stock","underlying_shares":19815},"source":{"system":"sec-edgar","filing":"0001663373-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000166337326000002/primarydocument.xml","form_type":"4"}},{"id":716189,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":28641,"kind":"person","name":"Stipancich John K","position":1,"cik":"0001479933","reported_name":"Stipancich John K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"RSU","published_at":"2026-07-06T22:24:11.000Z","date":"2026-07-01","kind":"grant","planned":false,"acquired":true,"shares":19815,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents an annual equity retainer of Restricted Stock Units (\"RSUs\") vesting on July 1, 2027, and granted pursuant to the Company's Outside Director Stock Plan. Each RSU represents a right to receive one share of the common stock of the Issuer upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents an annual equity retainer of Restricted Stock Units (\"RSUs\") vesting on July 1, 2027, and granted pursuant to the Company's Outside Director Stock Plan. Each RSU represents a right to receive one share of the common stock of the Issuer upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents an annual equity retainer of Restricted Stock Units (\"RSUs\") vesting on July 1, 2027, and granted pursuant to the Company's Outside Director Stock Plan. Each RSU represents a right to receive one share of the common stock of the Issuer upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents an annual equity retainer of Restricted Stock Units (\"RSUs\") vesting on July 1, 2027, and granted pursuant to the Company's Outside Director Stock Plan. Each RSU represents a right to receive one share of the common stock of the Issuer upon vesting."}],"balance_after":19815,"derivative":{"underlying":"Common Stock","underlying_shares":19815},"source":{"system":"sec-edgar","filing":"0001479933-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000147993326000002/primarydocument.xml","form_type":"4"}},{"id":799257,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":51079,"kind":"person","name":"Elwart Ryan Michael","position":1,"cik":"0002013323","reported_name":"Elwart Ryan Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group President"}}],"security":"RSU","published_at":"2026-04-28T20:03:41.000Z","date":"2026-04-26","kind":"exercise","planned":false,"acquired":false,"shares":11070,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On April 26, 2024, the reporting person was granted 22,140 RSUs subject to time vesting in two equal annual installments beginning on April 26, 2025. The RSUs reported herein represent the second and final installment of such grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"On April 26, 2024, the reporting person was granted 22,140 RSUs subject to time vesting in two equal annual installments beginning on April 26, 2025. The RSUs reported herein represent the second and final installment of such grant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On April 26, 2024, the reporting person was granted 22,140 RSUs subject to time vesting in two equal annual installments beginning on April 26, 2025. The RSUs reported herein represent the second and final installment of such grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On April 26, 2024, the reporting person was granted 22,140 RSUs subject to time vesting in two equal annual installments beginning on April 26, 2025. The RSUs reported herein represent the second and final installment of such grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On April 26, 2024, the reporting person was granted 22,140 RSUs subject to time vesting in two equal annual installments beginning on April 26, 2025. The RSUs reported herein represent the second and final installment of such grant."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":11070},"source":{"system":"sec-edgar","filing":"0002013323-26-000009","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000201332326000009/primarydocument.xml","form_type":"4"}},{"id":799256,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":51079,"kind":"person","name":"Elwart Ryan Michael","position":1,"cik":"0002013323","reported_name":"Elwart Ryan Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group President"}}],"security":"Common Stock","published_at":"2026-04-28T20:03:41.000Z","date":"2026-04-26","kind":"tax_withholding","planned":false,"acquired":false,"shares":3318,"price":9.76,"value":32383.68,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs."}],"balance_after":151994,"source":{"system":"sec-edgar","filing":"0002013323-26-000009","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000201332326000009/primarydocument.xml","form_type":"4"}},{"id":799255,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":51079,"kind":"person","name":"Elwart Ryan Michael","position":1,"cik":"0002013323","reported_name":"Elwart Ryan Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group President"}}],"security":"Common Stock","published_at":"2026-04-28T20:03:41.000Z","date":"2026-04-26","kind":"exercise","planned":false,"acquired":true,"shares":11070,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On April 26, 2024, the reporting person was granted 22,140 RSUs subject to time vesting in two equal annual installments beginning on April 26, 2025. The RSUs reported herein represent the second and final installment of such grant."}],"balance_after":155312,"source":{"system":"sec-edgar","filing":"0002013323-26-000009","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000201332326000009/primarydocument.xml","form_type":"4"}},{"id":831466,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":56674,"kind":"person","name":"Allegri Cheryl","position":1,"cik":"0001927959","reported_name":"Allegri Cheryl","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller"}}],"security":"Common Stock","published_at":"2026-03-23T20:06:21.000Z","date":"2026-03-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":965,"price":8.53,"value":8231.45,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent the shares withheld to satisfy tax withholding obligations arising from the vesting of RSUs granted on March 19, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The balance was adjusted to account for the overreporting of 978 shares on the Reporting Persons Form 4 filed on March 14, 2025."}],"balance_after":17377,"source":{"system":"sec-edgar","filing":"0001927959-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000192795926000006/primarydocument.xml","form_type":"4"}},{"id":831465,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":1742,"kind":"person","name":"JOHNSON MARK W","position":1,"cik":"0001802219","reported_name":"JOHNSON MARK W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CLO and Corporate Secretary"}}],"security":"Common Stock","published_at":"2026-03-23T20:05:41.000Z","date":"2026-03-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":2944,"price":8.53,"value":25112.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent the shares withheld to satisfy tax withholding obligations arising from the vesting of RSUs granted on March 19, 2025."}],"balance_after":125113,"source":{"system":"sec-edgar","filing":"0001802219-26-000007","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000180221926000007/primarydocument.xml","form_type":"4"}},{"id":831463,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":51079,"kind":"person","name":"Elwart Ryan Michael","position":1,"cik":"0002013323","reported_name":"Elwart Ryan Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group President"}}],"security":"Common Stock","published_at":"2026-03-23T20:05:09.000Z","date":"2026-03-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":3562,"price":8.53,"value":30383.86,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent the shares withheld to satisfy tax withholding obligations arising from the vesting of RSUs granted on March 19, 2025."}],"balance_after":144242,"source":{"system":"sec-edgar","filing":"0002013323-26-000007","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000201332326000007/primarydocument.xml","form_type":"4"}},{"id":844691,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":61100,"kind":"person","name":"Singhal Shruti","position":1,"cik":"0001698686","reported_name":"Singhal Shruti","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO"}}],"security":"RSU","published_at":"2026-03-13T20:11:07.000Z","date":"2026-03-11","kind":"exercise","planned":false,"acquired":false,"shares":305677,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On March 11, 2025, the reporting person was granted 305,677 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest one year from the date of grant on March 11, 2026. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 11, 2025, the reporting person was granted 305,677 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest one year from the date of grant on March 11, 2026. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On March 11, 2025, the reporting person was granted 305,677 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest one year from the date of grant on March 11, 2026. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On March 11, 2025, the reporting person was granted 305,677 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest one year from the date of grant on March 11, 2026. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":305677},"source":{"system":"sec-edgar","filing":"0001698686-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000169868626000004/primarydocument.xml","form_type":"4"}},{"id":844690,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":61100,"kind":"person","name":"Singhal Shruti","position":1,"cik":"0001698686","reported_name":"Singhal Shruti","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO"}}],"security":"Common Stock","published_at":"2026-03-13T20:11:07.000Z","date":"2026-03-11","kind":"tax_withholding","planned":false,"acquired":false,"shares":84016,"price":9.02,"value":757824.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs."}],"balance_after":278194,"source":{"system":"sec-edgar","filing":"0001698686-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000169868626000004/primarydocument.xml","form_type":"4"}},{"id":844689,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":61100,"kind":"person","name":"Singhal Shruti","position":1,"cik":"0001698686","reported_name":"Singhal Shruti","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO"}}],"security":"Common Stock","published_at":"2026-03-13T20:11:07.000Z","date":"2026-03-11","kind":"exercise","planned":false,"acquired":true,"shares":305677,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 11, 2025, the reporting person was granted 305,677 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest one year from the date of grant on March 11, 2026. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting."}],"balance_after":362210,"source":{"system":"sec-edgar","filing":"0001698686-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000169868626000004/primarydocument.xml","form_type":"4"}},{"id":880400,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":64567,"kind":"person","name":"Minder Scott","position":1,"cik":"0001944012","reported_name":"Minder Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"RSU","published_at":"2026-02-26T22:01:39.000Z","date":"2026-02-24","kind":"grant","planned":false,"acquired":true,"shares":30556,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On February 24, 2026, the reporting person was granted 30,556 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 24, 2026, the reporting person was granted 30,556 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 24, 2026, the reporting person was granted 30,556 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On February 24, 2026, the reporting person was granted 30,556 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On February 24, 2026, the reporting person was granted 30,556 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."}],"balance_after":30556,"derivative":{"underlying":"Common Stock","underlying_shares":30556},"source":{"system":"sec-edgar","filing":"0001944012-26-000005","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000194401226000005/primarydocument.xml","form_type":"4"}},{"id":880398,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":61100,"kind":"person","name":"Singhal Shruti","position":1,"cik":"0001698686","reported_name":"Singhal Shruti","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO"}}],"security":"RSU","published_at":"2026-02-26T22:01:16.000Z","date":"2026-02-24","kind":"grant","planned":false,"acquired":true,"shares":125159,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On February 24, 2026, the reporting person was granted 125,159 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 24, 2026, the reporting person was granted 125,159 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 24, 2026, the reporting person was granted 125,159 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On February 24, 2026, the reporting person was granted 125,159 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On February 24, 2026, the reporting person was granted 125,159 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."}],"balance_after":125159,"derivative":{"underlying":"Common Stock","underlying_shares":125159},"source":{"system":"sec-edgar","filing":"0001698686-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000169868626000002/primarydocument.xml","form_type":"4"}},{"id":880399,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":56674,"kind":"person","name":"Allegri Cheryl","position":1,"cik":"0001927959","reported_name":"Allegri Cheryl","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller"}}],"security":"RSU","published_at":"2026-02-26T22:00:08.000Z","date":"2026-02-24","kind":"grant","planned":false,"acquired":true,"shares":7812,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On February 24, 2026, the reporting person was granted 7,812 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 24, 2026, the reporting person was granted 7,812 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 24, 2026, the reporting person was granted 7,812 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On February 24, 2026, the reporting person was granted 7,812 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On February 24, 2026, the reporting person was granted 7,812 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."}],"balance_after":7812,"derivative":{"underlying":"Common Stock","underlying_shares":7812},"source":{"system":"sec-edgar","filing":"0001927959-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000192795926000004/primarydocument.xml","form_type":"4"}},{"id":880394,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":1742,"kind":"person","name":"JOHNSON MARK W","position":1,"cik":"0001802219","reported_name":"JOHNSON MARK W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CLO and Corporate Secretary"}}],"security":"RSU","published_at":"2026-02-26T21:59:21.000Z","date":"2026-02-24","kind":"grant","planned":false,"acquired":true,"shares":24000,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On February 24, 2026, the reporting person was granted 24,000 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 24, 2026, the reporting person was granted 24,000 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 24, 2026, the reporting person was granted 24,000 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On February 24, 2026, the reporting person was granted 24,000 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On February 24, 2026, the reporting person was granted 24,000 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."}],"balance_after":24000,"derivative":{"underlying":"Common Stock","underlying_shares":24000},"source":{"system":"sec-edgar","filing":"0001802219-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000180221926000004/primarydocument.xml","form_type":"4"}},{"id":880397,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":51079,"kind":"person","name":"Elwart Ryan Michael","position":1,"cik":"0002013323","reported_name":"Elwart Ryan Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group President"}}],"security":"RSU","published_at":"2026-02-26T21:58:58.000Z","date":"2026-02-24","kind":"grant","planned":false,"acquired":true,"shares":28917,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On February 24, 2026, the reporting person was granted 28,917 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 24, 2026, the reporting person was granted 28,917 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 24, 2026, the reporting person was granted 28,917 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On February 24, 2026, the reporting person was granted 28,917 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On February 24, 2026, the reporting person was granted 28,917 Restricted Stock Units (\"RSUs\") subject to time vesting. Such RSUs vest in three equal annual installments on the anniversary of the grant date (February 24, 2027, February 24, 2028, and February 24, 2029). Each RSU represents a right to receive one share of the common stock of the issuer upon vesting."}],"balance_after":28917,"derivative":{"underlying":"Common Stock","underlying_shares":28917},"source":{"system":"sec-edgar","filing":"0002013323-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000201332326000004/primarydocument.xml","form_type":"4"}},{"id":898344,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":56674,"kind":"person","name":"Allegri Cheryl","position":1,"cik":"0001927959","reported_name":"Allegri Cheryl","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller"}}],"security":"RSU","published_at":"2026-02-18T19:54:21.000Z","date":"2026-02-16","kind":"exercise","planned":false,"acquired":false,"shares":642,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"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, 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. 642 RSUs vested on February 16, 2026."},{"field":"shares","element":"transactionShares","label":"F3","text":"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, 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. 642 RSUs vested on February 16, 2026."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"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, 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. 642 RSUs vested on February 16, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"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, 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. 642 RSUs vested on February 16, 2026."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":642},"source":{"system":"sec-edgar","filing":"0001927959-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000192795926000002/primarydocument.xml","form_type":"4"}},{"id":898343,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":56674,"kind":"person","name":"Allegri Cheryl","position":1,"cik":"0001927959","reported_name":"Allegri Cheryl","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller"}}],"security":"RSU","published_at":"2026-02-18T19:54:21.000Z","date":"2026-02-13","kind":"exercise","planned":false,"acquired":false,"shares":1225,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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. 1,225 RSUs vested on February 13, 2026."},{"field":"shares","element":"transactionShares","label":"F1","text":"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. 1,225 RSUs vested on February 13, 2026."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"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. 1,225 RSUs vested on February 13, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"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. 1,225 RSUs vested on February 13, 2026."}],"balance_after":1226,"derivative":{"underlying":"Common Stock","underlying_shares":1225},"source":{"system":"sec-edgar","filing":"0001927959-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000192795926000002/primarydocument.xml","form_type":"4"}},{"id":898342,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":56674,"kind":"person","name":"Allegri Cheryl","position":1,"cik":"0001927959","reported_name":"Allegri Cheryl","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller"}}],"security":"Common Stock","published_at":"2026-02-18T19:54:21.000Z","date":"2026-02-16","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":642,"price":14.78,"value":9488.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"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, 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. 642 RSUs vested on February 16, 2026."},{"field":"shares","element":"transactionShares","label":"F4","text":"The transaction reflects the cash settlement of 642 vested RSUs on each of February 16, 2026."}],"balance_after":19320,"source":{"system":"sec-edgar","filing":"0001927959-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000192795926000002/primarydocument.xml","form_type":"4"}},{"id":898341,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":56674,"kind":"person","name":"Allegri Cheryl","position":1,"cik":"0001927959","reported_name":"Allegri Cheryl","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller"}}],"security":"Common Stock","published_at":"2026-02-18T19:54:21.000Z","date":"2026-02-16","kind":"exercise","planned":false,"acquired":true,"shares":642,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"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, 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. 642 RSUs vested on February 16, 2026."}],"balance_after":19962,"source":{"system":"sec-edgar","filing":"0001927959-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000192795926000002/primarydocument.xml","form_type":"4"}},{"id":898340,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":56674,"kind":"person","name":"Allegri Cheryl","position":1,"cik":"0001927959","reported_name":"Allegri Cheryl","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller"}}],"security":"Common Stock","published_at":"2026-02-18T19:54:21.000Z","date":"2026-02-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":434,"price":14.52,"value":6301.68,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs."}],"balance_after":19320,"source":{"system":"sec-edgar","filing":"0001927959-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000192795926000002/primarydocument.xml","form_type":"4"}},{"id":898339,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":56674,"kind":"person","name":"Allegri Cheryl","position":1,"cik":"0001927959","reported_name":"Allegri Cheryl","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller"}}],"security":"Common Stock","published_at":"2026-02-18T19:54:21.000Z","date":"2026-02-13","kind":"exercise","planned":false,"acquired":true,"shares":1225,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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. 1,225 RSUs vested on February 13, 2026."}],"balance_after":19754,"source":{"system":"sec-edgar","filing":"0001927959-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000192795926000002/primarydocument.xml","form_type":"4"}},{"id":898335,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":51079,"kind":"person","name":"Elwart Ryan Michael","position":1,"cik":"0002013323","reported_name":"Elwart Ryan Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group President"}}],"security":"RSU","published_at":"2026-02-18T19:52:33.000Z","date":"2026-02-13","kind":"exercise","planned":false,"acquired":false,"shares":7380,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On April 26, 2024, the reporting person was granted 22,140 restricted stock units (\"RSUs\") subject to time vesting. Such RUSs vest in three equal installments beginning February 13, 2025. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. 7,380 RSUs vested on February 13, 2026."},{"field":"shares","element":"transactionShares","label":"F1","text":"On April 26, 2024, the reporting person was granted 22,140 restricted stock units (\"RSUs\") subject to time vesting. Such RUSs vest in three equal installments beginning February 13, 2025. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. 7,380 RSUs vested on February 13, 2026."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On April 26, 2024, the reporting person was granted 22,140 restricted stock units (\"RSUs\") subject to time vesting. Such RUSs vest in three equal installments beginning February 13, 2025. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. 7,380 RSUs vested on February 13, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On April 26, 2024, the reporting person was granted 22,140 restricted stock units (\"RSUs\") subject to time vesting. Such RUSs vest in three equal installments beginning February 13, 2025. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. 7,380 RSUs vested on February 13, 2026."}],"balance_after":7380,"derivative":{"underlying":"Common Stock","underlying_shares":7380},"source":{"system":"sec-edgar","filing":"0002013323-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000201332326000002/primarydocument.xml","form_type":"4"}},{"id":898334,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":51079,"kind":"person","name":"Elwart Ryan Michael","position":1,"cik":"0002013323","reported_name":"Elwart Ryan Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group President"}}],"security":"Common Stock","published_at":"2026-02-18T19:52:33.000Z","date":"2026-02-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":2613,"price":14.52,"value":37940.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs."}],"balance_after":147804,"source":{"system":"sec-edgar","filing":"0002013323-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000201332326000002/primarydocument.xml","form_type":"4"}},{"id":898333,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":51079,"kind":"person","name":"Elwart Ryan Michael","position":1,"cik":"0002013323","reported_name":"Elwart Ryan Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group President"}}],"security":"Common Stock","published_at":"2026-02-18T19:52:33.000Z","date":"2026-02-13","kind":"exercise","planned":false,"acquired":true,"shares":7380,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On April 26, 2024, the reporting person was granted 22,140 restricted stock units (\"RSUs\") subject to time vesting. Such RUSs vest in three equal installments beginning February 13, 2025. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. 7,380 RSUs vested on February 13, 2026."}],"balance_after":150417,"source":{"system":"sec-edgar","filing":"0002013323-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000201332326000002/primarydocument.xml","form_type":"4"}},{"id":898338,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":1742,"kind":"person","name":"JOHNSON MARK W","position":1,"cik":"0001802219","reported_name":"JOHNSON MARK W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CLO and Corporate Secretary"}}],"security":"RSU","published_at":"2026-02-18T19:50:51.000Z","date":"2026-02-13","kind":"exercise","planned":false,"acquired":false,"shares":6888,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On April 26, 2024, the reporting person was granted 20,664 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. 6,888 RSUs vested on February 13, 2026."},{"field":"shares","element":"transactionShares","label":"F1","text":"On April 26, 2024, the reporting person was granted 20,664 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. 6,888 RSUs vested on February 13, 2026."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On April 26, 2024, the reporting person was granted 20,664 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. 6,888 RSUs vested on February 13, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On April 26, 2024, the reporting person was granted 20,664 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. 6,888 RSUs vested on February 13, 2026."}],"balance_after":6888,"derivative":{"underlying":"Common Stock","underlying_shares":6888},"source":{"system":"sec-edgar","filing":"0001802219-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000180221926000002/primarydocument.xml","form_type":"4"}},{"id":898337,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":1742,"kind":"person","name":"JOHNSON MARK W","position":1,"cik":"0001802219","reported_name":"JOHNSON MARK W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CLO and Corporate Secretary"}}],"security":"Common Stock","published_at":"2026-02-18T19:50:51.000Z","date":"2026-02-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":2439,"price":14.52,"value":35414.28,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs."}],"balance_after":128057,"source":{"system":"sec-edgar","filing":"0001802219-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000180221926000002/primarydocument.xml","form_type":"4"}},{"id":898336,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":1742,"kind":"person","name":"JOHNSON MARK W","position":1,"cik":"0001802219","reported_name":"JOHNSON MARK W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CLO and Corporate Secretary"}}],"security":"Common Stock","published_at":"2026-02-18T19:50:51.000Z","date":"2026-02-13","kind":"exercise","planned":false,"acquired":true,"shares":6888,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On April 26, 2024, the reporting person was granted 20,664 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. 6,888 RSUs vested on February 13, 2026."}],"balance_after":130496,"source":{"system":"sec-edgar","filing":"0001802219-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000180221926000002/primarydocument.xml","form_type":"4"}},{"id":934636,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Restricted Stock Units","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"exercise","planned":false,"acquired":false,"shares":14022,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"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."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":14022},"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934635,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Restricted Stock Units","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"exercise","planned":false,"acquired":false,"shares":589,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"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."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":589},"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934634,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Restricted Stock Units","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"exercise","planned":false,"acquired":false,"shares":2254,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"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."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2254},"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934633,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"tax_withholding","planned":false,"acquired":false,"shares":7260,"price":12.53,"value":90967.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F13","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F14","text":"These shares represent the shares withheld to satisfy tax withholding obligations arising from the prorated vesting of PSUs granted on March 19, 2025."}],"balance_after":53867,"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934632,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"grant","planned":false,"acquired":true,"shares":24118,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F13","text":"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."}],"balance_after":61127,"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934631,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"tax_withholding","planned":false,"acquired":false,"shares":9027,"price":12.53,"value":113108.31,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F11","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"These shares represent the shares withheld to satisfy tax withholding obligations arising from the prorated vesting of PSUs granted on April 26, 2024."}],"balance_after":37009,"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934630,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"grant","planned":false,"acquired":true,"shares":27514,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F11","text":"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."}],"balance_after":46036,"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934629,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":9003,"price":12.53,"value":112807.59,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F9","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The transaction reflects the cash settlement of 9,003 vested PSUs."}],"balance_after":18522,"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934628,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"grant","planned":false,"acquired":true,"shares":9003,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F9","text":"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."}],"balance_after":27525,"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934627,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2351,"price":12.53,"value":29458.03,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The transaction reflects the cash settlement of 2,351 vested PSUs."}],"balance_after":18522,"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934626,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"grant","planned":false,"acquired":true,"shares":2351,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"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."}],"balance_after":20873,"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934625,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":26167,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"These shares represent shares that remained unvested and were forfeited by the reporting person for RSUs granted on March 19, 2025."}],"balance_after":18522,"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934624,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"tax_withholding","planned":false,"acquired":false,"shares":2798,"price":12.53,"value":35058.94,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"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."}],"balance_after":44689,"source":{"system":"sec-edgar","filing":"0001971783-26-000003","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000197178326000003/primarydocument.xml","form_type":"4"}},{"id":934623,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":69100,"kind":"person","name":"Weitzel Gregory Thomas","position":1,"cik":"0001971783","reported_name":"Weitzel Gregory Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-01-21T23:50:17.000Z","date":"2026-01-16","kind":"tax_withholding","planned":false,"acquired":false,"shares":2648,"price":12.53,"value":33179.44,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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. 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The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":16113,"source":{"system":"sec-edgar","filing":"0001562180-25-004630","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004630/primarydocument.xml","form_type":"4"}},{"id":1121964,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":78853,"kind":"person","name":"Rickheim Michael W","position":1,"cik":"0001808077","reported_name":"Rickheim Michael W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Restricted Stock Units","published_at":"2025-06-05T20:47:01.000Z","date":"2025-06-03","kind":"exercise","planned":false,"acquired":false,"shares":11070,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"On April 26, 2024, the reporting person was granted 16,605 RSUs subject to time vesting. 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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 resigned as the Mativ Holdings, Inc.'s Chief Human Resources and Communications Officer effective June 1, 2025 (the \"Resignation\"); as such, an additional 1,736 RSUs vested and settled in cash on June 3, 2025, and the unvested 538 RSUs were forfeited and no shares will be issued with respect to any portion of the unvested award."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 16, 2023, the reporting person was granted 6,822 restricted stock units (\"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. The reporting person resigned as the Mativ Holdings, Inc.'s Chief Human Resources and Communications Officer effective June 1, 2025 (the \"Resignation\"); as such, an additional 1,736 RSUs vested and settled in cash on June 3, 2025, and the unvested 538 RSUs were forfeited and no shares will be issued with respect to any portion of the unvested award."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 16, 2023, the reporting person was granted 6,822 restricted stock units (\"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. The reporting person resigned as the Mativ Holdings, Inc.'s Chief Human Resources and Communications Officer effective June 1, 2025 (the \"Resignation\"); as such, an additional 1,736 RSUs vested and settled in cash on June 3, 2025, and the unvested 538 RSUs were forfeited and no shares will be issued with respect to any portion of the unvested award."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On February 16, 2023, the reporting person was granted 6,822 restricted stock units (\"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. The reporting person resigned as the Mativ Holdings, Inc.'s Chief Human Resources and Communications Officer effective June 1, 2025 (the \"Resignation\"); as such, an additional 1,736 RSUs vested and settled in cash on June 3, 2025, and the unvested 538 RSUs were forfeited and no shares will be issued with respect to any portion of the unvested award."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On February 16, 2023, the reporting person was granted 6,822 restricted stock units (\"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. The reporting person resigned as the Mativ Holdings, Inc.'s Chief Human Resources and Communications Officer effective June 1, 2025 (the \"Resignation\"); as such, an additional 1,736 RSUs vested and settled in cash on June 3, 2025, and the unvested 538 RSUs were forfeited and no shares will be issued with respect to any portion of the unvested award."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2274},"source":{"system":"sec-edgar","filing":"0001562180-25-004495","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004495/primarydocument.xml","form_type":"4"}},{"id":1121962,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":78853,"kind":"person","name":"Rickheim Michael W","position":1,"cik":"0001808077","reported_name":"Rickheim Michael W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-06-05T20:47:01.000Z","date":"2025-06-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":723,"price":5.72,"value":4135.56,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"On March 19, 2025, the reporting person was granted 23,708 RSUs subject to time vesting. 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. Upon the Resignation, 1,602 RSUs vested, and the unvested 22,106 RSUs were forfeited and no shares will be issued with respect to any portion of the unvested award."}],"balance_after":65763,"source":{"system":"sec-edgar","filing":"0001562180-25-004495","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004495/primarydocument.xml","form_type":"4"}},{"id":1121961,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":78853,"kind":"person","name":"Rickheim Michael W","position":1,"cik":"0001808077","reported_name":"Rickheim Michael W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-06-05T20:47:01.000Z","date":"2025-06-03","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":22106,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"On March 19, 2025, the reporting person was granted 23,708 RSUs subject to time vesting. 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. Upon the Resignation, 1,602 RSUs vested, and the unvested 22,106 RSUs were forfeited and no shares will be issued with respect to any portion of the unvested award."}],"balance_after":66486,"source":{"system":"sec-edgar","filing":"0001562180-25-004495","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004495/primarydocument.xml","form_type":"4"}},{"id":1121960,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":78853,"kind":"person","name":"Rickheim Michael W","position":1,"cik":"0001808077","reported_name":"Rickheim Michael W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-06-05T20:47:01.000Z","date":"2025-06-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":1084,"price":5.72,"value":6200.48,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On March 19, 2025, the reporting person was granted a target number of 35,563 RSUs subject to performance and time-based vesting. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. Upon the Resignation, the reporting person was entitled to 2,403 vested RSUs."}],"balance_after":88592,"source":{"system":"sec-edgar","filing":"0001562180-25-004495","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004495/primarydocument.xml","form_type":"4"}},{"id":1121959,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":78853,"kind":"person","name":"Rickheim Michael W","position":1,"cik":"0001808077","reported_name":"Rickheim Michael W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-06-05T20:47:01.000Z","date":"2025-06-03","kind":"grant","planned":false,"acquired":true,"shares":2403,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On March 19, 2025, the reporting person was granted a target number of 35,563 RSUs subject to performance and time-based vesting. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. Upon the Resignation, the reporting person was entitled to 2,403 vested RSUs."}],"balance_after":89676,"source":{"system":"sec-edgar","filing":"0001562180-25-004495","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004495/primarydocument.xml","form_type":"4"}},{"id":1121958,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":78853,"kind":"person","name":"Rickheim Michael W","position":1,"cik":"0001808077","reported_name":"Rickheim Michael W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-06-05T20:47:01.000Z","date":"2025-06-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":5069,"price":5.72,"value":28994.68,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"On April 26, 2024, the reporting person was granted a target number of 24,908 RSUs subject to performance and time-based vesting. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. Upon the Resignation, the reporting person was entitled to 11,321 vested RSUs."}],"balance_after":87273,"source":{"system":"sec-edgar","filing":"0001562180-25-004495","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004495/primarydocument.xml","form_type":"4"}},{"id":1121957,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":78853,"kind":"person","name":"Rickheim Michael W","position":1,"cik":"0001808077","reported_name":"Rickheim Michael W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-06-05T20:47:01.000Z","date":"2025-06-03","kind":"grant","planned":false,"acquired":true,"shares":11321,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"On April 26, 2024, the reporting person was granted a target number of 24,908 RSUs subject to performance and time-based vesting. Each RSU represents a right to receive one share of the common stock of the issuer and/or cash upon vesting. Upon the Resignation, the reporting person was entitled to 11,321 vested RSUs."}],"balance_after":92342,"source":{"system":"sec-edgar","filing":"0001562180-25-004495","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004495/primarydocument.xml","form_type":"4"}},{"id":1121956,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":78853,"kind":"person","name":"Rickheim Michael W","position":1,"cik":"0001808077","reported_name":"Rickheim Michael W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-06-05T20:47:01.000Z","date":"2025-06-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":2162,"price":5.72,"value":12366.64,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On April 26, 2024, the reporting person was granted 16,605 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. Upon the Resignation, an additional 4,792 RSUs vested and settled in cash on June 3, 2025, and the unvested 6,278 RSUs were forfeited and no shares will be issued with respect to any portion of the unvested award."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs."}],"balance_after":81021,"source":{"system":"sec-edgar","filing":"0001562180-25-004495","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004495/primarydocument.xml","form_type":"4"}},{"id":1121955,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":78853,"kind":"person","name":"Rickheim Michael W","position":1,"cik":"0001808077","reported_name":"Rickheim Michael W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-06-05T20:47:01.000Z","date":"2025-06-03","kind":"exercise","planned":false,"acquired":true,"shares":4792,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On April 26, 2024, the reporting person was granted 16,605 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. Upon the Resignation, an additional 4,792 RSUs vested and settled in cash on June 3, 2025, and the unvested 6,278 RSUs were forfeited and no shares will be issued with respect to any portion of the unvested award."}],"balance_after":83183,"source":{"system":"sec-edgar","filing":"0001562180-25-004495","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004495/primarydocument.xml","form_type":"4"}},{"id":1121954,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":78853,"kind":"person","name":"Rickheim Michael W","position":1,"cik":"0001808077","reported_name":"Rickheim Michael W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-06-05T20:47:01.000Z","date":"2025-06-03","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":1736,"price":5.72,"value":9929.92,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 16, 2023, the reporting person was granted 6,822 restricted stock units (\"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. The reporting person resigned as the Mativ Holdings, Inc.'s Chief Human Resources and Communications Officer effective June 1, 2025 (the \"Resignation\"); as such, an additional 1,736 RSUs vested and settled in cash on June 3, 2025, and the unvested 538 RSUs were forfeited and no shares will be issued with respect to any portion of the unvested award."}],"balance_after":78391,"source":{"system":"sec-edgar","filing":"0001562180-25-004495","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004495/primarydocument.xml","form_type":"4"}},{"id":1121953,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":78853,"kind":"person","name":"Rickheim Michael W","position":1,"cik":"0001808077","reported_name":"Rickheim Michael W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-06-05T20:47:01.000Z","date":"2025-06-03","kind":"exercise","planned":false,"acquired":true,"shares":1736,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 16, 2023, the reporting person was granted 6,822 restricted stock units (\"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. The reporting person resigned as the Mativ Holdings, Inc.'s Chief Human Resources and Communications Officer effective June 1, 2025 (the \"Resignation\"); as such, an additional 1,736 RSUs vested and settled in cash on June 3, 2025, and the unvested 538 RSUs were forfeited and no shares will be issued with respect to any portion of the unvested award."}],"balance_after":80127,"source":{"system":"sec-edgar","filing":"0001562180-25-004495","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004495/primarydocument.xml","form_type":"4"}},{"id":1126184,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":29366,"kind":"person","name":"Levi Marco","position":1,"cik":"0001703841","reported_name":"Levi Marco","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-03T21:04:56.000Z","date":"2025-05-30","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":5.78,"value":57800.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Open market purchase."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $5.72 to $5.83. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":44732,"source":{"system":"sec-edgar","filing":"0001562180-25-004358","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004358/primarydocument.xml","form_type":"4"}},{"id":1128284,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":32340,"kind":"person","name":"COOK WILLIAM M","position":1,"cik":"0001226577","reported_name":"COOK WILLIAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-02T20:06:19.000Z","date":"2025-05-29","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":5.84,"value":29200.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Open market purchase."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $5.82 to $5.86. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":26436,"source":{"system":"sec-edgar","filing":"0001562180-25-004291","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004291/primarydocument.xml","form_type":"4"}},{"id":1129763,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":32339,"kind":"person","name":"Ritrievi Kimberly E","position":1,"cik":"0001592089","reported_name":"Ritrievi Kimberly E","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-30T22:53:11.000Z","date":"2025-05-29","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":5.88,"value":58800.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Open market purchase."}],"balance_after":30640,"source":{"system":"sec-edgar","filing":"0001562180-25-004287","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004287/primarydocument.xml","form_type":"4"}},{"id":1129761,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":61100,"kind":"person","name":"Singhal Shruti","position":1,"cik":"0001698686","reported_name":"Singhal Shruti","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO"}}],"security":"Common Stock","published_at":"2025-05-30T22:52:29.000Z","date":"2025-05-29","kind":"purchase","planned":false,"acquired":true,"shares":40000,"price":5.76,"value":230400.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Open market purchase."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $5.72 to $5.85. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":56533,"source":{"system":"sec-edgar","filing":"0001562180-25-004286","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004286/primarydocument.xml","form_type":"4"}},{"id":1135982,"issuer":{"id":1741,"kind":"organization","name":"Mativ Holdings, Inc.","symbol":"MATV"},"owners":[{"id":51079,"kind":"person","name":"Elwart Ryan Michael","position":1,"cik":"0002013323","reported_name":"Elwart Ryan Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group President"}}],"security":"Common Stock","published_at":"2025-05-23T21:18:43.000Z","date":"2025-05-23","kind":"grant","planned":false,"acquired":true,"shares":94828,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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."}],"balance_after":143037,"source":{"system":"sec-edgar","filing":"0001562180-25-004140","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000623/000156218025004140/primarydocument.xml","form_type":"4"}}],"next_cursor":"2025-05-23T21:18:43.000000Z,1135982"}