MTX (MTX) CFO Erik Aldag receives new DRSUs and stock option grant

Rhea-AI Filing Summary

Minerals Technologies Inc. SVP Finance and Treasury, CFO Erik Aldag reported new equity awards. On January 20, 2026, he received 8,557 Deferred Restricted Stock Units (DRSUs), each economically equivalent to one share of Minerals Technologies common stock. Following this grant, he beneficially owned 21,616 DRSUs directly.

On the same date, Aldag was also granted an employee stock option covering 7,349 shares of common stock at an exercise price of $66.23 per share. These options are directly owned and represent 7,349 options beneficially owned after the grant. Both the DRSUs and options vest in three equal annual installments beginning on January 20, 2027, aligning his compensation with the company’s longer-term performance.

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^*

ALDAG ERIK

(Last) (First) (Middle)

622 3RD 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)
	SVP FINANCE AND TREASURY, CFO

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		8,557		(2)	(2)	Common Stock	8,557	$0	21,616	D
Employee Stock Option (Right to Buy)	$66.23	01/20/2026		A		7,349		(3)	01/20/2036	Common Stock	7,349	$0	7,349	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 Erik Aldag	01/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did MTX CFO Erik Aldag report on this Form 4?

Erik Aldag, SVP Finance and Treasury, CFO of Minerals Technologies Inc. (MTX), reported the grant of Deferred Restricted Stock Units (DRSUs) and an employee stock option award on January 20, 2026.

How many DRSUs were granted to MTX CFO Erik Aldag and how are they treated?

Aldag received 8,557 DRSUs. Each DRSU is the economic equivalent of one share of Minerals Technologies Inc. common stock, providing share-like exposure as they vest.

What is Erik Aldag’s DRSU balance in MTX after this grant?

After the 8,557 DRSUs were granted on January 20, 2026, Aldag beneficially owned a total of 21,616 DRSUs, all reported as held directly.

What stock options were granted to MTX CFO Erik Aldag and at what exercise price?

Aldag was granted an employee stock option for 7,349 shares of Minerals Technologies common stock with an exercise price of $66.23 per share, reported as directly owned.

When do the DRSUs granted to MTX CFO Erik Aldag vest?

The 8,557 DRSUs granted on January 20, 2026 vest in three equal annual installments, beginning on January 20, 2027, spreading the award over three years.

What is the vesting schedule for the stock options granted to MTX CFO Erik Aldag?

The 7,349 stock options granted on January 20, 2026 vest in three equal annual installments, also beginning on January 20, 2027, matching the DRSU vesting timeline.

Are the reported MTX equity awards to Erik Aldag direct or indirect holdings?

Both the DRSUs and the employee stock options are reported as held in direct ownership by Erik Aldag, with no indirect holding entity disclosed in the footnotes.