MTX director granted 1,908 phantom stock units

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

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Form Type

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 1,908.146 phantom stock units tied to the company’s common stock. These units were awarded under the Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and will be settled in cash when his board service ends. Following this award, he holds 27,911.814 phantom stock units in total.

Insider Trade Summary

Grant/Award: 1,908.146 shares

Grant/Award 1 txn

Insider CARMOLA JOHN J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	PHANTOM STOCK UNITS	1,908.146	$0.00	$0.00

Holdings After Transaction: PHANTOM STOCK UNITS — 27,911.814 contracts (Direct)

Footnotes (2)

F1. Each phantom stock unit is the economic equivalent of one share of Minerals Technologies Inc. Common Stock.
F2. 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.

Key Figures

Phantom units granted: 1,908.146 units Total phantom units after grant: 27,911.814 units Transaction price per unit: $0.0000 +1 more

4 metrics

Phantom units granted 1,908.146 units Grant of phantom stock units on 2026-05-20

Total phantom units after grant 27,911.814 units Holdings following reported transaction

Transaction price per unit $0.0000 Compensation grant, no purchase price paid

Underlying security 1,908.146 common shares equivalent Each phantom unit equals one common share economically

Key Terms

phantom stock units, Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors, Form 4

3 terms

phantom stock units financial

"Each phantom stock unit is the economic equivalent of one share"

Phantom stock units are company promises that pay a cash or stock-equivalent award tied to the firm’s share price or value growth, but they do not issue actual shares. Think of them as a bonus check that moves with the stock like a mirror rather than handing over an ownership slice. Investors care because these awards can affect a company’s future cash obligations, executive incentives and reported expenses without causing share dilution.

Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors financial

"The phantom stock units were accrued under the Minerals Technologies Inc. Non-Funded Deferred Compensation and Unit Award Plan"

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did MTX director John J. Carmola report?

John J. Carmola reported receiving 1,908.146 phantom stock units as a grant. These units are linked to Minerals Technologies common stock and increase his total phantom unit holdings to 27,911.814 under the company’s non-employee director plan.

Is the John J. Carmola Form 4 transaction in MTX stock a purchase or a grant?

The Form 4 shows a grant, not an open-market purchase. Carmola received 1,908.146 phantom stock units as compensation under a deferred plan, with no price paid per unit and settlement in cash at a later date.

How many phantom stock units does John J. Carmola hold after this MTX grant?

After the reported grant, John J. Carmola holds 27,911.814 phantom stock units. Each phantom unit is economically equivalent to one share of Minerals Technologies common stock, but they are settled in cash when his director service ends.

What are phantom stock units in the Minerals Technologies (MTX) Form 4 filing?

Each phantom stock unit is economically equivalent to one share of Minerals Technologies common stock. For John J. Carmola, these units are part of a deferred compensation plan and will be settled in cash upon his termination of service as a director.

How will John J. Carmola’s MTX phantom stock units be settled?

Carmola’s phantom stock units will be settled in cash, not shares. The units were accrued under the Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and are payable when his service as a director ends.

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Accepted by SEC EDGAR 05/21/2026 - 03:51 PM EDT

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

10017

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
PHANTOM STOCK UNITS	⁽¹⁾	05/20/2026		A		1,908.146		⁽²⁾	⁽²⁾	COMMON STOCK	1,908.146	$0	27,911.814	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	05/21/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR