# EDGAR Filing Document

**Accession Number:** 0001971783
**File Stem:** 0001971783-26-000003
**Filing Date:** 2026-1
**Character Count:** 12415
**Document Hash:** 712bebca959e7a201190b3fc04e065ae
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001971783-26-000003.hdr.sgml**: 20260121

**ACCESSION NUMBER**: 0001971783-26-000003

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260116

**FILED AS OF DATE**: 20260121

**DATE AS OF CHANGE**: 20260121

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Weitzel Gregory Thomas
- **CENTRAL INDEX KEY:** 0001971783

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-13948
- **FILM NUMBER:** 26549308

**MAIL ADDRESS:**
- **STREET 1:** C/O MATIV HOLDINGS, INC.
- **STREET 2:** 100 KIMBALL PLACE, SUITE 600
- **CITY:** ALPHARETTA
- **STATE:** GA
- **ZIP:** 30009
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Mativ Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001000623
- **STANDARD INDUSTRIAL CLASSIFICATION:** PAPER MILLS [2621]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 621612879
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 100 KIMBALL PLACE
- **STREET 2:** SUITE 600
- **CITY:** ALPHARETTA
- **STATE:** GA
- **ZIP:** 30009
- **BUSINESS PHONE:** 8005140186

**MAIL ADDRESS:**
- **STREET 1:** 100 KIMBALL PLACE
- **STREET 2:** SUITE 600
- **CITY:** ALPHARETTA
- **STATE:** GA
- **ZIP:** 30009

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SCHWEITZER MAUDUIT INTERNATIONAL INC
- **DATE OF NAME CHANGE:** 19950914

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Weitzel Gregory Thomas<br><sub>(Last) (First) (Middle)</sub><br>100 KIMBALL PLACE<br>SUITE 600<br><sub>(Street)</sub><br>ALPHARETTA, GA 30009<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-01-16 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_CFO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Mativ Holdings, Inc. [ MATV ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2026-01-16 |  | M |  | 2159.00 | A | 0.00<sup>(1)</sup> | 46145.00 | D |  |
| Common Stock | 2026-01-16 |  | D |  | 2159.00 | D | 12.53<sup>(1)</sup> | 43986.00 | D |  |
| Common Stock | 2026-01-16 |  | M |  | 564.00 | A | 0.00<sup>(2)</sup> | 44550.00 | D |  |
| Common Stock | 2026-01-16 |  | D |  | 564.00 | D | 12.53<sup>(2)</sup> | 43986.00 | D |  |
| Common Stock | 2026-01-16 |  | M |  | 6149.00 | A | 0.00<sup>(3)</sup> | 50135.00 | D |  |
| Common Stock | 2026-01-16 |  | F |  | 2648.00 | D | 12.53<sup>(3)(4)</sup> | 47487.00 | D |  |
| Common Stock | 2026-01-16 |  | F |  | 2798.00 | D | 12.53<sup>(5)</sup> | 44689.00 | D |  |
| Common Stock | 2026-01-16 |  | D |  | 26167.00 | D | 0.00<sup>(5)(6)</sup> | 18522.00 | D |  |
| Common Stock | 2026-01-16 |  | A |  | 2351.00 | A | 0.00<sup>(7)</sup> | 20873.00 | D |  |
| Common Stock | 2026-01-16 |  | D |  | 2351.00 | D | 12.53<sup>(7)(8)</sup> | 18522.00 | D |  |
| Common Stock | 2026-01-16 |  | A |  | 9003.00 | A | 0.00<sup>(9)</sup> | 27525.00 | D |  |
| Common Stock | 2026-01-16 |  | D |  | 9003.00 | D | 12.53<sup>(9)(10)</sup> | 18522.00 | D |  |
| Common Stock | 2026-01-16 |  | A |  | 27514.00 | A | 0.00<sup>(11)</sup> | 46036.00 | D |  |
| Common Stock | 2026-01-16 |  | F |  | 9027.00 | D | 12.53<sup>(11)(12)</sup> | 37009.00 | D |  |
| Common Stock | 2026-01-16 |  | A |  | 24118.00 | A | 0.00<sup>(13)</sup> | 61127.00 | D |  |
| Common Stock | 2026-01-16 |  | F |  | 7260.00 | D | 12.53<sup>(13)(14)</sup> | 53867.00 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units | <sup>(1)</sup> | 2026-01-16 |  | M |  |  | 2254.00 | <sup>(1)</sup> | <sup>(1)</sup> | Common Stock | 2254.00 | <sup>(1)</sup> | 0.00 | D |  |
| Restricted Stock Units | <sup>(2)</sup> | 2026-01-16 |  | M |  |  | 589.00 | <sup>(2)</sup> | <sup>(2)</sup> | Common Stock | 589.00 | <sup>(2)</sup> | 0.00 | D |  |
| Restricted Stock Units | <sup>(3)</sup> | 2026-01-16 |  | M |  |  | 14022.00 | <sup>(3)</sup> | <sup>(3)</sup> | Common Stock | 14022.00 | <sup>(3)</sup> | 0.00 | D |  |

---

### Footnotes:

(1) 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.

(2) 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.

(3) 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.

(4) These shares represent the shares withheld to satisfy tax withholding obligations arising from the prorated vesting of RSUs granted on April 26, 2024.

(5) 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.

(6) These shares represent shares that remained unvested and were forfeited by the reporting person for RSUs granted on March 19, 2025.

(7) 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.

(8) The transaction reflects the cash settlement of 2,351 vested PSUs.

(9) 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.

(10) The transaction reflects the cash settlement of 9,003 vested PSUs.

(11) 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.

(12) These shares represent the shares withheld to satisfy tax withholding obligations arising from the prorated vesting of PSUs granted on April 26, 2024.

(13) 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.

(14) These shares represent the shares withheld to satisfy tax withholding obligations arising from the prorated vesting of PSUs granted on March 19, 2025.

**Signature:** Brian Park, attorney-in-fact for Gregory Weitzel, principal  
**Date:** 2026-01-21

### Remarks:

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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**