[Form 4] MINERALS TECHNOLOGIES INC Insider Trading Activity

Rhea-AI Filing Summary

Minerals Technologies Inc. vice president Michael Cipolla reported equity transactions involving company stock and deferred units. On January 21, 2026, 1,290 Deferred Restricted Stock Units (DRSUs), each economically equivalent to one share of common stock, were converted into 1,290 shares of common stock at $0 per share. On the same date, 731 common shares at $66.92 were withheld by Minerals Technologies Inc. to cover tax withholding obligations.

After these transactions, Cipolla directly held 38,244 shares of common stock, with an additional 9,802.966 shares held indirectly through a 401(k) plan. He also held 11,342 DRSUs directly. The DRSUs referenced in this report were originally granted on January 21, 2025 and vest in three equal annual installments beginning January 21, 2026.

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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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^*

CIPOLLA MICHAEL

(Last) (First) (Middle)

622 THIRD AVENUE

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/21/2026

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
Common Stock	01/21/2026		M		1,290	A	$0	38,975	D
Common Stock	01/21/2026		F		731(1)	D	$66.92	38,244	D
Common Stock								9,802.966	I	By 401(k)(2)

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
Deferred Restricted Stock Units (DRSUs)	(3)	01/21/2026		M			1,290	(4)	(4)	Common Stock	1,290	$0	11,342	D

Explanation of Responses:

1. These shares were withheld by Minerals Technologies Inc. to satisfy tax withholding obligations.

2. The information contained in this report is based on a Plan Statement dated as of January 21, 2026.

3. Each DRSU is the economic equivalent of one share of Minerals Technologies Inc. Common Stock.

4. The DRSUs were granted on January 21, 2025, and vest in three equal annual installments beginning on January 21, 2026.

	/s/ Timothy J. Jordan for Michael Cipolla	01/23/2026
	** 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.
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FAQ

What insider transactions did MTX vice president Michael Cipolla report on January 21, 2026?

On January 21, 2026, Michael Cipolla reported the conversion of 1,290 Deferred Restricted Stock Units (DRSUs) into 1,290 shares of Minerals Technologies Inc. common stock at $0 per share, and the withholding of 731 common shares at $66.92 by the company to satisfy tax withholding obligations.

How many Minerals Technologies (MTX) shares does Michael Cipolla hold after these Form 4 transactions?

Following the reported transactions, Michael Cipolla directly held 38,244 shares of Minerals Technologies Inc. common stock and indirectly held 9,802.966 shares through a 401(k) plan. He also beneficially owned 11,342 Deferred Restricted Stock Units (DRSUs).

What are DRSUs in the context of Minerals Technologies (MTX) and how many does Cipolla own?

For Minerals Technologies Inc., each Deferred Restricted Stock Unit (DRSU) is the economic equivalent of one share of common stock. After the January 21, 2026 transactions, Michael Cipolla beneficially owned 11,342 DRSUs directly.

Why were some Minerals Technologies (MTX) shares withheld in Michael Cipollas Form 4 filing?

The filing states that 731 shares of common stock were withheld by Minerals Technologies Inc. to satisfy tax withholding obligations related to the equity transaction on January 21, 2026.

What is Michael Cipollas role at Minerals Technologies Inc. (MTX) as shown in this Form 4?

The Form 4 identifies Michael Cipolla as an officer of Minerals Technologies Inc. with the title of Vice President, and not as a director or 10% owner.

When were the DRSUs in this Minerals Technologies (MTX) Form 4 originally granted and how do they vest?

The filing explains that the DRSUs were granted on January 21, 2025 and vest in three equal annual installments beginning on January 21, 2026.