Minerals Technologies director granted 10 phantom units

Minerals Technologies director Kristina M. Johnson received additional cash-settled phantom stock units tied to MTX common stock value.

Rhea-AI Filing Summary

MINERALS TECHNOLOGIES INC (symbol: MTX) is the issuer of record for a Form 4 filing submitted to the SEC. JOHNSON KRISTINA M reported acquisition or exercise transactions in this Form 4 filing.

MINERALS TECHNOLOGIES INC (MTX) reported that director Kristina M. Johnson received a grant of 10.03 phantom stock units on September 4, 2026, under the company’s Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors. 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 stock units to 6,008.123.

Insider Trade Summary

Grant/Award: 10.03 shares

Grant/Award 1 txn

Insider JOHNSON KRISTINA M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	PHANTOM STOCK UNITS F1, F2	10.03	$0.00	$0.00

Holdings After Transaction: PHANTOM STOCK UNITS — 6,008.123 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 granted: 10.03 units Total phantom stock units after transaction: 6,008.123 units Transaction price per unit: $0.00 +1 more

4 metrics

Phantom stock units granted 10.03 units Grant to director on September 4, 2026

Total phantom stock units after transaction 6,008.123 units Holdings following the September 4, 2026 grant

Transaction price per unit $0.00 Compensation grant of phantom stock units

Underlying security 10.03 shares equivalent Each phantom stock unit equals one share of MTX common stock economically

Key Terms

Phantom stock units, Economic equivalent, Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors

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.

Economic equivalent financial

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

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

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

FAQ

What insider transaction did MTX disclose for Kristina M. Johnson?

Minerals Technologies Inc. disclosed that director Kristina M. Johnson received a grant of 10.03 phantom stock units on September 4, 2026, as a compensation award under the Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors.

How many MTX phantom stock units does Kristina M. Johnson hold after this Form 4?

After the reported grant, Kristina M. Johnson holds a total of 6,008.123 phantom stock units, each economically equivalent to one share of Minerals Technologies Inc. common stock, all held as direct ownership according to the filing.

Are the MTX phantom stock units granted to Kristina M. Johnson actual shares?

No. The filing states that each phantom stock unit is the economic equivalent of one share of Minerals Technologies Inc. common stock but is part of a deferred compensation plan and is to be settled in cash, not in actual shares.

When will Kristina M. Johnson’s MTX phantom stock units be paid out?

The phantom stock units are to be settled in cash upon her termination of service as a director, according to the description of the Minerals Technologies Inc. Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors.

Was this MTX Form 4 transaction under a Rule 10b5-1 trading plan?

No. The Form 4 indicates the Rule 10b5-1 checkbox is not affirmed (false), and the transaction is described as a grant or award of phantom stock units rather than an open market trade.

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Available on EDGAR 09/09/2026 - 04:39 PM Accepted by SEC EDGAR 09/09/2026 - 04:38 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^*

JOHNSON KRISTINA M

(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		10.03		(2)	(2)	COMMON STOCK	10.03	$0	6,008.123	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 KRISTINA JOHNSON	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)