MTX director awarded phantom stock units

JOHNSON KRISTINA M reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

JOHNSON KRISTINA M reported acquisition or exercise transactions in this Form 4 filing.

Minerals Technologies Inc. director Kristina M. Johnson received a grant of 1,908.146 phantom stock units tied to the company’s common stock. These units were awarded under a non‑funded deferred compensation and unit award plan for non‑employee directors, increasing her phantom stock balance to 5,988.958 units, and will be settled in cash upon her termination of board service.

Insider Trade Summary

Grant/Award: 1,908.146 shares

Grant/Award 1 txn

Insider JOHNSON KRISTINA M

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 — 5,988.958 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 units granted: 1,908.146 units Total phantom units after grant: 5,988.958 units Economic equivalence: 1 unit = 1 share +2 more

5 metrics

Phantom units granted 1,908.146 units Grant on 2026-05-20 to director Kristina M. Johnson

Total phantom units after grant 5,988.958 units Director Kristina M. Johnson’s phantom stock balance after award

Economic equivalence 1 unit = 1 share Each phantom stock unit equals one share of common stock economically

Transaction price per unit $0.0000 Grant/award acquisition, not an open-market trade

Underlying security shares 1,908.146 shares Underlying common stock equivalent for the phantom unit grant

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 of Minerals Technologies Inc. Common Stock."

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 for Non-Employee Directors"

economic equivalent financial

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

settled in cash financial

"and are to be settled in cash upon the reporting person's termination of service as a director."

FAQ

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

What insider transaction did Minerals Technologies (MTX) report for Kristina M. Johnson?

Minerals Technologies reported that director Kristina M. Johnson received 1,908.146 phantom stock units. These units mirror the value of common shares and were granted under the company’s deferred compensation and unit award plan for non‑employee directors, increasing her total phantom units to 5,988.958.

What are the phantom stock units granted to the Minerals Technologies (MTX) director?

Each phantom stock unit is economically equivalent to one share of Minerals Technologies common stock. The 1,908.146 units granted to director Kristina M. Johnson track share value but do not confer actual shares, and they are designed as part of a deferred compensation structure for directors.

How and when will Kristina M. Johnson’s Minerals Technologies (MTX) phantom units be settled?

The phantom stock units awarded to Kristina M. Johnson will be settled in cash. Payment occurs upon her termination of service as a director, meaning she receives a cash amount linked to the value of the company’s common stock at that future time.

Did the Minerals Technologies (MTX) Form 4 show an open‑market buy or sell by the director?

The Form 4 did not show any open‑market buy or sell by the director. Instead, it disclosed an acquisition coded as a grant of 1,908.146 phantom stock units, a compensation award rather than a market purchase or sale transaction.

What is Kristina M. Johnson’s total Minerals Technologies (MTX) phantom unit balance after this grant?

After receiving 1,908.146 additional phantom stock units, Kristina M. Johnson holds 5,988.958 phantom units in total. This balance reflects her accumulated deferred compensation awards tied to the economic value of Minerals Technologies’ common stock.

Under which plan were the Minerals Technologies (MTX) phantom stock units accrued for the director?

The phantom stock units were accrued under the Minerals Technologies Inc. Non‑Funded Deferred Compensation and Unit Award Plan for Non‑Employee Directors. This plan grants cash‑settled phantom units linked to the company’s common stock value as part of director compensation.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/21/2026 - 03:53 PM EDT 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)
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)
			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)	05/20/2026		A		1,908.146		(2)	(2)	COMMON STOCK	1,908.146	$0	5,988.958	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	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)