Minerals Technologies director reports 50.903 phantom stock units

Rhea-AI Filing Summary

Minerals Technologies Inc. director reports deferred compensation grant

A Minerals Technologies Inc. (MTX) director reported receiving 50.903 phantom stock units on 12/04/2025 under the company’s Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors. Each phantom stock unit is the economic equivalent of one share of Minerals Technologies common stock, but will be settled in cash rather than stock when the director’s board service ends.

After this grant, the director beneficially owns 24,921.053 derivative securities in the form of phantom stock units, held directly. The filing is an administrative disclosure of director compensation and does not describe any change to the company’s operations or financial performance.

Insider Trade Summary

Grant/Award: 50.903 shares

Grant/Award 1 txn

Insider ROBINSON MARC E

Role Director

Type	Security	Shares	Price	Value
Grant/Award	PHANTOM STOCK UNITS	50.903	$0.00	$0.00

Holdings After Transaction: PHANTOM STOCK UNITS — 24,921.053 contracts (Direct)

Footnotes (2)

1. F1. Each phantom stock unit is the economic equivalent of one share of Minerals Technologies Inc. Common Stock.
2. F2. 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.

FAQ

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What did Minerals Technologies (MTX) disclose in this Form 4?

A director reported receiving 50.903 phantom stock units on 12/04/2025 as part of non-employee director deferred compensation.

What are the phantom stock units reported by the Minerals Technologies director?

Each phantom stock unit is described as the economic equivalent of one share of Minerals Technologies common stock, but is paid in cash instead of actual shares.

When will the Minerals Technologies phantom stock units be settled?

The filing states the phantom stock units will be settled in cash upon the reporting persons termination of service as a director.

How many derivative securities does the director beneficially own after this transaction?

Following the transaction, the director beneficially owns 24,921.053 derivative securities in the form of phantom stock units, held directly.

Is this Minerals Technologies (MTX) Form 4 related to company earnings or operations?

No. The disclosure relates to director deferred compensation through phantom stock units and does not report changes in earnings or business operations.

Does this Form 4 indicate open-market buying or selling of MTX stock?

No. It reports an award of phantom stock units under a deferred compensation plan, not open-market purchases or sales of common stock.

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Accepted by SEC EDGAR 12/08/2025 - 03:10 PM Learn about SEC filing dates

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^*

ROBINSON MARC E

(Last) (First) (Middle)

622 THIRD AVE.

38TH FLOOR

(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)
12/04/2025

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)	12/04/2025		A		50.903		(2)	(2)	COMMON STOCK	50.903	$0	24,921.053	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 MARC ROBINSON	12/08/2025
	** 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.