[Form 4] Minerals Technologies Inc Insider Trading Activity

Rhea-AI Filing Summary

Minerals Technologies Inc. director John J. Carmola received 44.371 phantom stock units under the companys Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors, recorded for a transaction dated 09/05/2025. Each phantom unit equals one share of common stock and will be settled in cash when Mr. Carmola ends his service as a director. After this accrual, Mr. Carmolas reported beneficial ownership is 25,904.413 shares (direct).

Insights

Financial Analyst

TL;DR: Director received a small cash-settled phantom equity accrual; routine compensation event with limited market impact.

The Form 4 reports an accrual of 44.371 phantom stock units for a non-employee director under the companys deferred compensation plan. Phantom units mirror economic exposure to common shares but are cash-settled upon termination of service, so they do not immediately change share count or liquidity. The reported beneficial ownership of 25,904.413 shares is presented as direct ownership. This is a routine issuer-provided director compensation entry and, by itself, is unlikely to materially affect MTXs capital structure or market valuation.

Corporate Governance Expert

TL;DR: Compensation via cash-settled phantom units aligns with typical director pay practices and raises no immediate governance concerns.

The disclosure indicates the units were granted under the Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and will be cash-settled at termination. Cash-settled phantom units avoid automatic dilution but create a future cash obligation. The itemized reporting follows Section 16 requirements and shows transparency on director remuneration. There is no indication of accelerated vesting, unusual pricing, or related-party transaction complexities in the disclosed lines.

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
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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^*

CARMOLA JOHN J

(Last) (First) (Middle)

622 THIRD AVENUE

(Street)

NEW YORK NY 10017-6707

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MINERALS TECHNOLOGIES INC [ MTX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/05/2025

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

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

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

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)
			Code	V	Amount	(A) or (D)	Price

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
PHANTOM STOCK UNITS	(1)	09/05/2025		A		44.371		(2)	(2)	COMMON STOCK	44.371	$0	25,904.413	D

Explanation of Responses:

1. Each phantom stock unit is the economic equivalent of one share of Minerals Technologies Inc. Common Stock.

2. The phantom stock units were accrued under the Minerals Technologies Inc. Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and are to be settled in cash upon the reporting person's termination of service as a director.

	TIMOTHY JORDAN FOR JOHN J CARMOLA	09/09/2025
	** 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.

FAQ

What transaction did John J. Carmola report for MTX?

He reported an accrual of 44.371 phantom stock units under the companys non-employee director deferred compensation plan, recorded with a transaction date of 09/05/2025.

How are the phantom stock units settled for MTX director awards?

The phantom stock units are economic equivalents of one share each and are to be settled in cash upon the reporting persons termination of service as a director.

How many shares does John J. Carmola beneficially own after the reported transaction?

The Form 4 shows 25,904.413 shares as the amount of securities beneficially owned following the reported transaction, listed as direct ownership.

Do the phantom units create immediate dilution for MTX shareholders?

No. The disclosed phantom units are cash-settled, so they do not immediately increase the companys outstanding share count according to the filing.

Under which plan were the phantom units accrued?

They were accrued under the Minerals Technologies Inc. Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors.