[Form 4] Minerals Technologies Inc Insider Trading Activity

Rhea-AI Filing Summary

Minerals Technologies Inc. (MTX) director Franklin Feder reported accrual of 38.404 phantom stock units on 09/05/2025 under the companys Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors. Each phantom unit equals one share of common stock and is payable in cash upon Mr. Feders termination of service as a director. After this accrual, Mr. Feder beneficially owns 22,421.244 shares (or economic equivalents). The Form 4 was filed by one reporting person and indicates no exercise price or immediate stock transfer, reflecting deferred director compensation rather than an open-market trade.

Positive

• Accrual of 38.404 phantom stock units shows continued alignment of non-employee director compensation with shareholder value
• Phantom units payable in cash on termination avoid immediate dilution to common shareholders
• Beneficial ownership reported at 22,421.244 provides transparency on the reporting person's economic stake

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine director deferred-compensation accrual; modest change in economic ownership with no immediate dilutive or cash-market impact.

This Form 4 discloses a non-derivative economic accrual of 38.404 phantom stock units that mirror common shares but are payable in cash upon termination. The transaction does not involve issuance of common stock or an exercise price, so there is no immediate dilution or cash inflow/outflow for shareholders. The resulting beneficial ownership of 22,421.244 is a static snapshot of the reporting person's economic position. For investors, this is a governance and compensation disclosure rather than an operational or financial performance signal.

Corporate Governance Expert

TL;DR: Standard director compensation disclosure consistent with deferred-pay practices; no governance red flags in the filing.

The accrual under the Non-Funded Deferred Compensation and Unit Award Plan aligns with common practices to compensate non-employee directors with cash-settled phantom units. The filing clarifies that settlement occurs upon termination of service, confirming long-term alignment of pay with continued service. There is no indication of related-party transactions, accelerated vesting, or immediate liquidity events. This is a routine compliance disclosure required by Section 16.

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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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^*

FEDER FRANKLIN

(Last) (First) (Middle)

622 THIRD AVENUE

(Street)

NEW YORK NY 10017-6707

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
09/05/2025

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
PHANTOM STOCK UNITS	(1)	09/05/2025		A		38.404		(2)	(2)	COMMON STOCK	38.404	$0	22,421.244	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 FRANKLIN FEDER	09/09/2025
	** 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.

FAQ

What did the Form 4 filed for MTX on 09/09/2025 disclose?

The Form 4 reports that director Franklin Feder accrued 38.404 phantom stock units on 09/05/2025 under the Non-Funded Deferred Compensation and Unit Award Plan; units settle in cash upon termination.

Do the phantom stock units convert into MTX common shares immediately?

No. Each phantom unit is the economic equivalent of one share but is to be settled in cash upon termination, not converted into or issued as common stock now.

How many shares does the reporting person beneficially own after the transaction?

Following the reported accrual, the reporting person beneficially owns 22,421.244 shares or their economic equivalents.

Was this Form 4 filed by multiple reporting persons?

No. The filing indicates it was a Form filed by One Reporting Person.

Does the Form 4 show any exercise price or market sale?

No. The entry shows a $0 price for the phantom units and does not indicate any market sale or option exercise.