Minerals Technologies (NYSE: MTX) grants RSUs and options to Group President

Rhea-AI Filing Summary

Minerals Technologies Inc. reported that Group President Brett Argirakis received new equity awards. On January 20, 2026, he was granted 12,101 Deferred Restricted Stock Units (DRSUs), each economically equivalent to one share of common stock. These DRSUs vest in three equal annual installments beginning on January 20, 2027.

On the same date, Argirakis also received 10,393 employee stock options with an exercise price of $66.23 per share, which likewise vest in three equal annual installments starting on January 20, 2027. Following the DRSU grant, he beneficially owns 30,603 DRSUs, and he holds 10,393 options directly.

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

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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^*

ARGIRAKIS BRETT

(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)
	Group President

3. Date of Earliest Transaction (Month/Day/Year)
01/20/2026

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
Deferred Restricted Stock Units (DRSUs)	(1)	01/20/2026		A		12,101		(2)	(2)	Common Stock	12,101	$0	30,603	D
Employee Stock Option (Right to Buy)	$66.23	01/20/2026		A		10,393		(3)	01/20/2036	Common Stock	10,393	$0	10,393	D

Explanation of Responses:

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

2. The DRSUs were granted on January 20, 2026 and vest in three equal annual installments beginning on January 20, 2027.

3. These options were granted on January 20, 2026 and vest in three equal annual installments beginning on January 20, 2027.

	/s/ Timothy J. Jordan for Brett Argirakis	01/22/2026
	** 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 transaction did MTX report for Brett Argirakis?

Minerals Technologies Inc. reported that Group President Brett Argirakis received grants of 12,101 Deferred Restricted Stock Units (DRSUs) and 10,393 employee stock options on January 20, 2026.

How many Minerals Technologies (MTX) DRSUs were granted to Brett Argirakis and how do they work?

Brett Argirakis was granted 12,101 DRSUs. Each DRSU is the economic equivalent of one share of Minerals Technologies Inc. common stock, meaning their value tracks the company’s share price.

What stock options were granted to the MTX Group President on January 20, 2026?

On January 20, 2026, the Group President received 10,393 employee stock options with an exercise price of $66.23 per share, giving him the right to buy common stock at that price.

When do the new MTX DRSUs and stock options for Brett Argirakis vest?

Both the 12,101 DRSUs and the 10,393 stock options granted on January 20, 2026 vest in three equal annual installments, beginning on January 20, 2027.

How many Minerals Technologies (MTX) DRSUs does Brett Argirakis hold after this Form 4?

After the reported grant, Brett Argirakis beneficially owns 30,603 DRSUs directly, according to the filing’s derivative securities table.

Are the MTX equity awards to Brett Argirakis held directly or indirectly?

The filing indicates the 12,101 DRSUs and 10,393 stock options are held with direct ownership by Brett Argirakis.