Minerals Technologies (MTX) director awarded 40 phantom stock units in cash-settled plan

Rhea-AI Filing Summary

Minerals Technologies Inc. director compensation update: Director Joseph C. Breunig reported acquiring 40.009 phantom stock units of Minerals Technologies Inc. on 12/04/2025. The transaction is coded as an acquisition and carries a price of $0, indicating it is part of a compensation arrangement rather than an open-market purchase.

Each phantom stock unit is the economic equivalent of one share of Minerals Technologies common stock, but these units will be settled in cash, not stock. They were accrued under the company’s Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and are to be paid out when the director’s service ends. Following this grant, Breunig holds 19,587.591 derivative securities in the form of phantom stock units, held directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Breunig Joseph C.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	PHANTOM STOCK UNITS	40.009	$0.00	--

Holdings After Transaction: PHANTOM STOCK UNITS — 19,587.591 shares (Direct)

Footnotes (1)

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

Form 4 Insider Transactions: What Each Field Means →

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^*

Breunig Joseph C.

(Last) (First) (Middle)

622 THIRD AVENUE

38TH FLOOR

(Street)

NEW YORK NY 10017

(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		40.009		(2)	(2)	COMMON STOCK	40.009	$0	19,587.591	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 JOSEPH C. BREUNIG	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.

FAQ

What insider transaction did Minerals Technologies (MTX) report in this Form 4?

The filing reports that director Joseph C. Breunig acquired 40.009 phantom stock units of Minerals Technologies Inc. on 12/04/2025 as part of a compensation arrangement.

What are the phantom stock units reported by Minerals Technologies (MTX)?

Each phantom stock unit is described as the economic equivalent of one share of Minerals Technologies common stock, but they are settled in cash rather than actual shares.

Under what plan were the 40.009 phantom stock units for MTX’s director accrued?

The 40.009 phantom stock units were accrued under the Minerals Technologies Inc. Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors.

When will the phantom stock units for the MTX director be paid out?

The phantom stock units are stated to be settled in cash upon the reporting person's termination of service as a director.

How many phantom stock units does the MTX director hold after this transaction?

After the reported transaction, the director beneficially owns 19,587.591 derivative securities in the form of phantom stock units, held directly.

Was there any cash price paid for the MTX phantom stock unit grant?

The filing shows a price of $0 for the 40.009 phantom stock units, indicating they were received as part of a compensation plan rather than purchased in the market.