Mativ director William Cook awarded phantom stock

Mativ Holdings director William M. Cook reported updates to his equity-based compensation.

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Form Type

Rhea-AI Filing Summary

Mativ Holdings director William M. Cook reported updates to his equity-based compensation. He now directly holds 26,436 shares of Common Stock. On the same date, he was credited with several phantom stock awards at $0.00 per unit, including 19,815 units, which brought one phantom stock balance to 80,539 units. Other entries reflect additional phantom stock units tied to reinvested dividends and an annual stock retainer under the company’s non‑employee director plans. According to the footnotes, these stock units are deferred compensation that convert into common stock when he retires from the board or his service as a director ends.

Insider Trade Summary

Grant/Award: 22,516 shares

Grant/Award 5 txns

Insider COOK WILLIAM M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock	1,075	$0.00	$0.00
Grant/Award	Phantom Stock	658	$0.00	$0.00
Grant/Award	Phantom Stock	968	$0.00	$0.00
Grant/Award	Phantom Stock	19,815	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Phantom Stock — 80,539 contracts (Direct); Common Stock — 26,436 shares (Direct)

Footnotes (5)

F1. Represents quarterly meeting and committee retainers deferred pursuant to the Director's election in accordance with the Non-Employee Directors Deferred Compensation Plan.
F2. Stock units are converted to stock upon the earlier of retirement from the Board or termination as a Director in accordance with the Company's Non-Employee Directors Deferred Compensation Plan.
F3. Represents net reinvested dividends on deferred shares after accounting adjustments related to non-employee director compensation program
F4. Represent reinvested dividend equivalents on vested RSUs.
F5. Represents an annual stock retainer pursuant to the Company's Outside Director Stock Plan. Deferred pursuant to the Director's election in accordance with the Company's Non-Employee Directors Deferred Compensation Plan.

Key Figures

Common stock held directly: 26,436 shares Largest phantom stock grant: 19,815 units at $0.00 Phantom stock balance example: 80,539 units +2 more

5 metrics

Common stock held directly 26,436 shares Total common shares following reported transactions

Largest phantom stock grant 19,815 units at $0.00 Phantom stock grant on reported date

Phantom stock balance example 80,539 units Total phantom stock units after 19,815-unit grant

Additional phantom stock grant 1,075 units at $0.00 Grant coded as award on reported date

Phantom stock balance example 59,098 units Total phantom stock units after 1,075-unit grant

Key Terms

Phantom Stock, Non-Employee Directors Deferred Compensation Plan, Outside Director Stock Plan, reinvested dividends

4 terms

Phantom Stock financial

"Represents quarterly meeting and committee retainers deferred as phantom stock units."

A phantom stock is a form of compensation that gives employees or executives the benefits of stock ownership, such as the increase in stock value, without actually giving them real shares. It acts like a promise to pay the employee the equivalent value of company stock later, often as a bonus or incentive. This allows companies to motivate and reward staff without diluting ownership or transferring actual shares.

Non-Employee Directors Deferred Compensation Plan financial

"Deferred pursuant to the Director's election under the Non-Employee Directors Deferred Compensation Plan."

Outside Director Stock Plan financial

"Represents an annual stock retainer pursuant to the Company's Outside Director Stock Plan."

reinvested dividends financial

"Represents net reinvested dividends on deferred shares after accounting adjustments."

Reinvested dividends are payouts a shareholder receives from a company that are automatically used to buy additional shares instead of being taken as cash. For investors this acts like planting dividends back into the portfolio so each future payout can come from a slightly larger holding, helping returns compound over time and showing the difference between income you spend today and total growth of your investment.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did William M. Cook report in this Form 4 for Mativ (MATV)?

William M. Cook reported updated holdings of Mativ common stock and several phantom stock awards. He now holds 26,436 common shares directly, plus multiple deferred phantom stock unit balances granted as non-cash director compensation under the company’s non-employee director plans.

Did William M. Cook buy or sell Mativ (MATV) shares in the market?

The Form 4 does not show open-market buys or sells. It reports grants and adjustments of phantom stock awards at $0.00 per unit, reflecting non-cash director compensation and dividend reinvestments, rather than discretionary purchases or sales in the public market.

How many Mativ (MATV) common shares does William M. Cook hold after these transactions?

After these transactions, William M. Cook directly holds 26,436 shares of Mativ common stock. This figure reflects his direct ownership position reported in the filing and is separate from his deferred phantom stock unit balances recorded under the company’s compensation plans.

What phantom stock awards did William M. Cook receive from Mativ (MATV)?

He received several phantom stock awards coded as grants, including 19,815 units at $0.00 per unit, which brought one phantom stock balance to 80,539 units. Additional smaller awards reflect reinvested dividends and compensation-related adjustments under Mativ’s director compensation programs.

When do William M. Cook’s Mativ phantom stock units convert into common shares?

The phantom stock units convert into common stock upon the earlier of his retirement from the board or termination as a director. This timing follows Mativ’s Non-Employee Directors Deferred Compensation Plan, as described in the filing’s footnote explaining the phantom stock conversion terms.

How are Mativ (MATV) director fees reflected in this Form 4 filing?

Director fees are reflected as deferred phantom stock units and reinvested dividend equivalents. The filing notes quarterly meeting and committee retainers, and an annual stock retainer, were deferred into phantom stock under Mativ’s Non-Employee Directors Deferred Compensation Plan and Outside Director Stock Plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/06/2026 - 08:16 PM EDT

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

COOK WILLIAM M

(Last)

(First)

(Middle)

C/O MATIV HOLDINGS, INC,

100 KIMBALL PLACE, STE 600

(Street)

ALPHARETTA

GEORGIA

30009

(City)

(State)

(Zip)

UNITED STATES

(Country)

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
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock								26,436	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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Phantom Stock⁽¹⁾	⁽²⁾	07/01/2026		A		1,075		⁽²⁾	⁽²⁾	Common Stock	1,075	⁽²⁾	59,098	D
Phantom Stock⁽³⁾	⁽²⁾	07/01/2026		A		658		⁽²⁾	⁽²⁾	Common Stock	658	⁽²⁾	59,756	D
Phantom Stock⁽⁴⁾	⁽²⁾	07/01/2026		A		968		⁽²⁾	⁽²⁾	Common Stock	968	⁽²⁾	60,724	D
Phantom Stock⁽⁵⁾	⁽²⁾	07/01/2026		A		19,815		⁽²⁾	⁽²⁾	Common Stock	19,815	⁽²⁾	80,539	D

Explanation of Responses:

1. Represents quarterly meeting and committee retainers deferred pursuant to the Director's election in accordance with the Non-Employee Directors Deferred Compensation Plan.

2. Stock units are converted to stock upon the earlier of retirement from the Board or termination as a Director in accordance with the Company's Non-Employee Directors Deferred Compensation Plan.

3. Represents net reinvested dividends on deferred shares after accounting adjustments related to non-employee director compensation program

4. Represent reinvested dividend equivalents on vested RSUs.

5. Represents an annual stock retainer pursuant to the Company's Outside Director Stock Plan. Deferred pursuant to the Director's election in accordance with the Company's Non-Employee Directors Deferred Compensation Plan.

Remarks:

	/s/ Brian Park, attorney-in-fact for William M. Cook, principal	07/06/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR