Minerals Technologies director gets 34.699 units

A non-employee director of MTX received additional cash-settled phantom stock units tied economically to common shares.

Rhea-AI Filing Summary

MINERALS TECHNOLOGIES INC (MTX) director Carolyn K. Pittman reported an acquisition of 34.699 Phantom Stock Units on September 4, 2026 under a non-employee director deferred compensation and unit award plan. Each unit is the economic equivalent of one share of common stock and will be settled in cash upon her termination of service as a director, bringing her total phantom units to 20,784.665.

Insider Trade Summary

Grant/Award: 34.699 shares

Grant/Award 1 txn

Insider PITTMAN CAROLYN K

Role Director

Type	Security	Shares	Price	Value
Grant/Award	PHANTOM STOCK UNITS F1, F2	34.699	$0.00	$0.00

Holdings After Transaction: PHANTOM STOCK UNITS — 20,784.665 contracts (Direct)

Footnotes (2)

1. F1. Each phantom stock unit is the economic equivalent of one share of Minerals Technologies Inc. Common Stock.
2. 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 Stock Units acquired: 34.699 units Phantom Stock Units following transaction: 20,784.665 units Underlying common stock equivalent: 34.699 shares +1 more

4 metrics

Phantom Stock Units acquired 34.699 units Grant/award acquisition on September 4, 2026

Phantom Stock Units following transaction 20,784.665 units Total phantom units directly held after the award

Underlying common stock equivalent 34.699 shares Each phantom unit equals one share of common stock economically

Transaction price per unit $0.0000 Awarded phantom stock units carry no purchase price

Key Terms

Phantom Stock Units, Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors, economic equivalent, settled in cash

4 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

"were accrued under the Minerals Technologies Inc. Non-Funded Deferred Compensation"

economic equivalent financial

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

settled in cash financial

"are to be settled in cash upon the reporting person's termination"

FAQ

What insider transaction did MTX director Carolyn K. Pittman report?

She reported an acquisition of 34.699 Phantom Stock Units on September 4, 2026 as a grant or award under a non-employee director deferred compensation and unit award plan.

How many phantom stock units does the MTX director hold after this transaction?

Following this award, Carolyn K. Pittman holds a total of 20,784.665 Phantom Stock Units, all reported as directly owned under the Minerals Technologies Inc. non-employee director plan.

Are the MTX phantom stock units equivalent to common shares?

Yes. Each Phantom Stock Unit is described as the economic equivalent of one share of Minerals Technologies Inc. common stock, meaning its value tracks the share price, though it is not itself a share.

How will the MTX phantom stock units be settled for the director?

The phantom stock units are stated to be settled in cash upon Carolyn K. Pittman’s termination of service as a director, under the company’s Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors.

Was the MTX director’s phantom unit award made under a Rule 10b5-1 plan?

No Rule 10b5-1 trading plan is reported. The document-level indicator shows the Rule 10b5-1 box as not checked for this Form 4 filing.

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Available on EDGAR 09/09/2026 - 04:44 PM Accepted by SEC EDGAR 09/09/2026 - 04:43 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^*

PITTMAN CAROLYN K

(Last) (First) (Middle)

622 THIRD AVE.

38TH FLOOR

(Street)

NEW YORK NEW YORK 10017-6707

(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)
09/04/2026

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)
			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)	09/04/2026		A		34.699		(2)	(2)	COMMON STOCK	34.699	$0	20,784.665	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 CAROLYN PITTMAN	09/09/2026
	** 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)