Sec Form 3 Filing - Schertell Julie @ Mativ Holdings, Inc. - 2022-07-06

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Schertell Julie 2. Issuer Name and Ticker or Trading Symbol Mativ Holdings, Inc. [ MATV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) CEO, President (Last) (First) (Middle) C/O MATIV HOLDINGS, 100 NORTH POINT CENTER EAST, STE 600 3. Date of Earliest Transaction (MM/DD/YY) 07/06/2022 (Street) ALPHARETTA, GA30022 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Mativ Common Stock 142,291( 1 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Appreciation Rights $ 22.99 ( 2 ) 01/28/2023 Mativ Stock Appreciation RIghts 6,654( 3 ) D Stock Appreciation Right $ 31.53 ( 2 ) 01/27/2024 Mativ Stock Appreciation Rights 5,934( 3 ) D Stock Appreciation Right $ 42.67 ( 2 ) 01/25/2026 Mativ Stock Appreciation Rights 8,142( 3 ) D Stock Appreciation Right $ 43.97 ( 2 ) 01/26/2025 Mativ Stock Appreciation Right 5,948( 3 ) D Stock Appreciation Right $ 60.49 ( 2 ) 01/29/2027 Mativ Stock Appreciation Right 9,621( 3 ) D Stock Appreciation Right $ 68.74 ( 2 ) 01/29/2028 Mativ Stock Appreciation 9,758( 3 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Schertell Julie C/O MATIV HOLDINGS 100 NORTH POINT CENTER EAST, STE 600 ALPHARETTA, GA30022 X CEO, President Signatures Honor Winks as Attorney-in-Fact for Julie Schertell 07/18/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares of Mativ Holdings, Inc. received per the Merger Agreement filed with the SEC. ( 2 )SARS are fully vested. ( 3 )SARS of Mativ Holdings, Inc. received per the Merger Agreement filed with the SEC.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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