Minerals Technologies (NYSE: MTX) director awarded new phantom stock units

Rhea-AI Filing Summary

CARMOLA JOHN J reported acquisition or exercise transactions in this Form 4 filing.

Minerals Technologies Inc. director John J. Carmola received a grant of 46.236 phantom stock units, bringing his total phantom stock holdings to 26,003.668 units. Each unit is economically equivalent to one share of common stock and will be settled in cash when his board service ends, reflecting routine non-employee director compensation rather than an open-market trade.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider CARMOLA JOHN J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	PHANTOM STOCK UNITS	46.236	$0.00	--

Holdings After Transaction: PHANTOM STOCK UNITS — 26,003.668 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^*

CARMOLA JOHN J

(Last) (First) (Middle)

MINERALS TECHNOLOGIES INC.

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)
03/06/2026

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)	03/06/2026		A		46.236		(2)	(2)	COMMON STOCK	46.236	$0	26,003.668	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	03/10/2026
	** 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.

FAQ

What insider transaction did Minerals Technologies (MTX) report for John J. Carmola?

Minerals Technologies reported that director John J. Carmola received 46.236 phantom stock units as a grant. These units are part of the company’s non-employee director compensation and increase his total phantom stock holdings to 26,003.668 units.

Was the MTX Form 4 transaction a stock purchase or sale by the director?

The MTX Form 4 shows an acquisition through a grant, not a market trade. Carmola received 46.236 phantom stock units at a price of $0.0000 per unit as compensation, with no open-market buying or selling involved in this transaction.

What are phantom stock units in the Minerals Technologies (MTX) filing?

In this filing, each phantom stock unit is economically equivalent to one share of Minerals Technologies common stock. The units track the stock’s value but are not actual shares and are ultimately settled in cash, rather than delivered as stock.

When will John J. Carmola receive cash for his MTX phantom stock units?

The phantom stock units will be settled in cash when Carmola’s service as a director ends. They were accrued under Minerals Technologies’ Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and are designed as deferred, cash-settled compensation.

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

After receiving the 46.236-unit grant, Carmola holds a total of 26,003.668 phantom stock units. This figure represents his accumulated balance in the company’s non-employee director deferred compensation and unit award plan, all to be settled in cash at termination.