MTX SVP converts DRSUs, covers taxes with shares

Minerals Technologies Inc. Senior Vice President Jonathan J. Hastings reported routine equity transactions involving deferred restricted stock units (DRSUs) and common stock.

Rhea-AI Filing Summary

Minerals Technologies Inc. Senior Vice President Jonathan J. Hastings reported routine equity transactions involving deferred restricted stock units (DRSUs) and common stock. On January 23, 2026, 3,113 DRSUs were converted into the same number of common shares at an exercise price of $0, and the company withheld 1,354 common shares at $68.77 per share to cover tax obligations, leaving him with 62,087 directly held shares. On January 26, 2026, a further 3,051 DRSUs were converted into common stock at $0, and 1,327 shares were withheld at $68.89 per share for taxes, resulting in 63,811 directly held shares plus 2,932.333 shares held indirectly through a 401(k) plan.

Insider Trade Summary

6,164 shares exercised/converted

Exercise 7 txns

Insider Hastings Jonathan J

Role Senior Vice President

Type	Security	Shares	Price	Value
Exercise	Deferred Restricted Stock Units (DRSUs)	3,051	$0.00	$0.00
Exercise	Common Stock	3,051	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,327	$68.89	$91K
Exercise	Deferred Restricted Stock Units (DRSUs)	3,113	$0.00	$0.00
Exercise	Common Stock	3,113	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,354	$68.77	$93K
holding	Common Stock	--	--	--

Holdings After Transaction: Deferred Restricted Stock Units (DRSUs) — 8,687 contracts (Direct); Common Stock — 63,811 shares (Direct); Common Stock — 2,932.333 shares (Indirect, By 401(k))

Footnotes (5)

1. F1. These shares were withheld by Minerals Technologies Inc. to satisfy tax withholding obligations.
2. F2. The information contained in this report is based on a Plan Statement dated as of January 21, 2026.
3. F3. Each DRSU is the economic equivalent of one share of Minerals Technologies Inc. Common Stock.
4. F4. The DRSUs were granted on January 23, 2024 and vest in three equal annual installments beginning on January 23, 2025.
5. F5. The DRSUs were granted on January 24, 2023 and vest in three equal annual installments beginning on January 24, 2024.

FAQ

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What insider activity did MTX Senior Vice President Jonathan Hastings report on this Form 4?

Jonathan J. Hastings reported the conversion of deferred restricted stock units (DRSUs) into common stock on January 23, 2026 and January 26, 2026, along with related share withholdings to satisfy tax obligations.

How many Minerals Technologies (MTX) DRSUs did Jonathan Hastings convert to common stock?

Hastings converted 3,113 DRSUs into common stock on January 23, 2026 and 3,051 DRSUs on January 26, 2026, each at an exercise price of $0 per unit, with each DRSU economically equivalent to one share of common stock.

Why were some MTX shares reported with transaction code F at prices around $68–69?

Transactions coded F reflect shares withheld by Minerals Technologies Inc. to cover tax withholding obligations. On January 23, 2026, 1,354 shares were withheld at $68.77 per share, and on January 26, 2026, 1,327 shares were withheld at $68.89 per share.

What are DRSUs in the context of Minerals Technologies (MTX)?

For this filing, each Deferred Restricted Stock Unit (DRSU) is stated to be the economic equivalent of one share of Minerals Technologies Inc. common stock, granted under equity compensation awards that vest over time.

How many MTX shares does Jonathan Hastings hold after these transactions?

After the reported transactions, Hastings directly holds 63,811 shares of Minerals Technologies Inc. common stock and has an additional 2,932.333 shares held indirectly through a 401(k) plan, based on a plan statement dated January 21, 2026.

What vesting schedules apply to the MTX DRSUs in this Form 4?

One DRSU grant was made on January 23, 2024 and vests in three equal annual installments beginning January 23, 2025. Another was granted on January 24, 2023 and vests in three equal annual installments beginning January 24, 2024.

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Accepted by SEC EDGAR 01/27/2026 - 03:58 PM Learn about SEC filing dates

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^*

Hastings Jonathan J

(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)
	Senior Vice President

3. Date of Earliest Transaction (Month/Day/Year)
01/23/2026

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	01/23/2026		M		3,113	A	$0	63,441	D
Common Stock	01/23/2026		F		1,354(1)	D	$68.77	62,087	D
Common Stock	01/26/2026		M		3,051	A	$0	65,138	D
Common Stock	01/26/2026		F		1,327(1)	D	$68.89	63,811	D
Common Stock								2,932.333	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)	01/23/2026		M			3,113	(4)	(4)	Common Stock	3,113	$0	11,738	D
Deferred Restricted Stock Units (DRSUs)	(3)	01/26/2026		M			3,051	(5)	(5)	Common Stock	3,051	$0	8,687	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 23, 2024 and vest in three equal annual installments beginning on January 23, 2025.

5. The DRSUs were granted on January 24, 2023 and vest in three equal annual installments beginning on January 24, 2024.

	/s/ Timothy J. Jordan for Jonathan Hastings	01/27/2026
	** 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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