# EDGAR Filing Document

**Accession Number:** 0001000623
**File Stem:** 0001562180-25-004495
**Filing Date:** 2025-6
**Character Count:** 11853
**Document Hash:** 24d667701c16c9e683b3a8cc34764d87
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001562180-25-004495.hdr.sgml**: 20250605

**ACCESSION NUMBER**: 0001562180-25-004495

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250603

**FILED AS OF DATE**: 20250605

**DATE AS OF CHANGE**: 20250605

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Rickheim Michael W
- **CENTRAL INDEX KEY:** 0001808077

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-13948
- **FILM NUMBER:** 251027779

**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

## Ex-24

```

POWER OF ATTORNEY

The undersigned hereby makes, constitutes and appoints each of Greg Weitzel,
Mark W. Johnson, Brian Park, or any of them acting individually, and with
full power of substitution, the undersigned's true and lawful agents and
attorneys-in-fact (each hereinafter referred to as an "Attorney") to act
either together or alone in the name and on behalf of the undersigned for
and with respect to the matters hereinafter described.

Each Attorney shall have the power and authority to prepare, execute, deliver
and file Statements of Changes of Beneficial Ownership of Securities on Form 3,
Form 4 or Form 5 (or such other forms as may be designated from time-to-time by
the Securities and Exchange Commission (the "Commission") for such purpose) or
any amendments thereto required to be filed with the Commission under the
Securities Exchange Act of 1934 on behalf of the undersigned as a result of the
undersigned's transactions in or changes in beneficial ownership of, equity
securities (including derivative securities) of Mativ Holdings, Inc.

Each Attorney is hereby authorized to execute and deliver all documents,
acknowledgments, consents and other agreements and to take such further action
as may be necessary or convenient in order to more effectively carry out the
intent and purposes of the foregoing.

The Power of Attorney conferred hereby is not delegable by any Attorney. Each
Attorney shall serve without compensation for acting in the capacity of agent
and attorney-in-fact hereunder.

The undersigned hereby ratifies, confirms and adopts as the undersigned's own
act and deed all action lawfully taken by the Attorneys, or any of them,
pursuant to the power and authority herein granted.

Unless sooner revoked by the undersigned, this Power of Attorney shall be
governed by the laws of the State of Georgia, and the power and authority
granted herein shall remain in full force and effect until such time as the
undersigned is no longer subject to Section 16 or and required to file
Forms 3, 4 and 5.

IN WITNESS WHEREOF, the undersigned has set his or her hand as of the 14th day
of April, 2025.

/s/ Michael W. Rickheim
Signature
Name: Michael W. Rickheim

State of Georgia
County of Fulton

Signed and sworn before me, Honor Winks, Notary Public, on April 14, 2025,
by Michael W. Rickheim, personally known to me.

/s/ Honor Winks
Signature of Notary
Name:  Honor Winks
Notary Public State of Georgia
My commission expires: February 6, 2028

```

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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>Rickheim Michael W<br><sub>(Last) (First) (Middle)</sub><br>MATIV HOLDINGS, INC.<br>100 KIMBALL PLACE, STE 600<br><sub>(Street)</sub><br>ALPHARETTA, GA 30009<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-03 | **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>_CHRO_ |
| **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 | 2025-06-03 |  | M |  | 1736.00 | A | 0.00<sup>(1)</sup> | 80127.00 | D |  |
| Common Stock | 2025-06-03 |  | D |  | 1736.00 | D | 5.72<sup>(1)</sup> | 78391.00 | D |  |
| Common Stock | 2025-06-03 |  | M |  | 4792.00 | A | 0.00<sup>(2)</sup> | 83183.00 | D |  |
| Common Stock | 2025-06-03 |  | F |  | 2162.00 | D | 5.72<sup>(2)(3)</sup> | 81021.00 | D |  |
| Common Stock | 2025-06-03 |  | A |  | 11321.00 | A | 0.00<sup>(4)</sup> | 92342.00 | D |  |
| Common Stock | 2025-06-03 |  | F |  | 5069.00 | D | 5.72<sup>(3)(4)</sup> | 87273.00 | D |  |
| Common Stock | 2025-06-03 |  | A |  | 2403.00 | A | 0.00<sup>(5)</sup> | 89676.00 | D |  |
| Common Stock | 2025-06-03 |  | F |  | 1084.00 | D | 5.72<sup>(3)(5)</sup> | 88592.00 | D |  |
| Common Stock | 2025-06-03 |  | D |  | 22106.00 | D | 0.00<sup>(6)</sup> | 66486.00 | D |  |
| Common Stock | 2025-06-03 |  | F |  | 723.00 | D | 5.72<sup>(3)(6)</sup> | 65763.00 | 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> | 2025-06-03 |  | M |  |  | 2274.00<sup>(1)</sup> | <sup>(1)</sup> | <sup>(1)</sup> | Common Stock | 2274.00 | <sup>(1)</sup> | 0.00 | D |  |
| Restricted Stock Units | <sup>(2)</sup> | 2025-06-03 |  | M |  |  | 11070.00<sup>(2)</sup> | <sup>(2)</sup> | <sup>(2)</sup> | Common Stock | 11070.00 | <sup>(2)</sup> | 0.00 | D |  |

---

### Footnotes:

(1) 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.

(2) 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.

(3) Shares withheld to satisfy tax withholding obligation arising upon the vesting of RSUs.

(4) 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.

(5) 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.

(6) 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.

**Signature:** /s/ Brian Park, attorney-in-fact for Michael W. Rickheim, principal  
**Date:** 2025-06-05

### 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.**