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Minerals Technologies (NYSE: MTX) CFO nets shares from DRSUs

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Minerals Technologies Inc. CFO Erik Aldag reported stock transactions involving deferred restricted stock units (DRSUs) and common shares. On January 23, 2026, 2,243 DRSUs were converted to common stock, and 1,240 shares were sold at $68.77 to cover tax withholding obligations, leaving 6,137 common shares held directly. On January 26, 2026, 1,841 additional DRSUs were converted, and 1,019 shares were sold at $68.89 for taxes, bringing direct common stock holdings to 6,959 shares. Aldag also holds 897.255 common shares indirectly through a 401(k) plan and retains 17,128 and 15,287 DRSUs from earlier grants that each convert economically into one share of common stock and vest in three annual installments.

Positive

  • None.

Negative

  • None.
Insider ALDAG ERIK
Role SVP FINANCE AND TREASURY, CFO
Type Security Shares Price Value
Exercise Deferred Restricted Stock Units (DRSUs) 1,841 $0.00 --
Exercise Common Stock 1,841 $0.00 --
Tax Withholding Common Stock 1,019 $68.89 $70K
Exercise Deferred Restricted Stock Units (DRSUs) 2,243 $0.00 --
Exercise Common Stock 2,243 $0.00 --
Tax Withholding Common Stock 1,240 $68.77 $85K
holding Common Stock -- -- --
Holdings After Transaction: Deferred Restricted Stock Units (DRSUs) — 15,287 shares (Direct); Common Stock — 7,978 shares (Direct); Common Stock — 897.255 shares (Indirect, By 401(k))
Footnotes (1)
  1. These shares were withheld by Minerals Technologies Inc. to satisfy tax withholding obligations. The information contained in this report is based on a Plan Statement dated as of January 21, 2026. Each DRSU is the economic equivalent of one share of Mineral Technologies Inc. Common Stock. The DRSUs were granted on January 23, 2024 and vest in three equal annual installments beginning on January 23, 2025. The DRSUs were granted on January 24, 2023 and vest in three equal annual installments beginning on January 24, 2024.
Form 4 Insider Transactions: What Each Field Means →
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*
ALDAG ERIK
(Last) (First) (Middle)
622 3RD AVENUE
(Street)
NEW YORK NY 10017
(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)
Director 10% Owner
X Officer (give title below) Other (specify below)
SVP FINANCE AND TREASURY, CFO
3. Date of Earliest Transaction (Month/Day/Year)
01/23/2026
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
Common Stock 01/23/2026 M 2,243 A $0 7,377 D
Common Stock 01/23/2026 F 1,240(1) D $68.77 6,137 D
Common Stock 01/26/2026 M 1,841 A $0 7,978 D
Common Stock 01/26/2026 F 1,019(1) D $68.89 6,959 D
Common Stock 897.255 I By 401(k)(2)
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
Deferred Restricted Stock Units (DRSUs) (3) 01/23/2026 M 2,243 (4) (4) Common Stock 2,243 $0 17,128 D
Deferred Restricted Stock Units (DRSUs) (3) 01/26/2026 M 1,841 (5) (5) Common Stock 1,841 $0 15,287 D
Explanation of Responses:
1. These shares were withheld by Minerals Technologies Inc. to satisfy tax withholding obligations.
2. The information contained in this report is based on a Plan Statement dated as of January 21, 2026.
3. Each DRSU is the economic equivalent of one share of Mineral Technologies Inc. Common Stock.
4. The DRSUs were granted on January 23, 2024 and vest in three equal annual installments beginning on January 23, 2025.
5. The DRSUs were granted on January 24, 2023 and vest in three equal annual installments beginning on January 24, 2024.
/s/ Timothy J. Jordan for Erik Aldag 01/27/2026
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Minerals Technologies (MTX) report for CFO Erik Aldag?

The filing shows CFO Erik Aldag converted DRSUs into common stock on January 23 and 26, 2026, then sold shares to cover tax withholding at prices around $68.8 per share.

How many Minerals Technologies (MTX) shares did the CFO sell for taxes?

On January 23, 2026, 1,240 shares were sold at $68.77 to satisfy tax obligations, and on January 26, 2026, another 1,019 shares were sold at $68.89 for the same purpose.

How many Minerals Technologies (MTX) common shares does the CFO hold after these transactions?

After the reported transactions, CFO Erik Aldag holds 6,959 common shares directly and 897.255 common shares indirectly through a 401(k) plan.

What happened to the Deferred Restricted Stock Units (DRSUs) in the Minerals Technologies (MTX) Form 4?

2,243 DRSUs were converted on January 23, 2026 and 1,841 DRSUs on January 26, 2026. Each DRSU is the economic equivalent of one share of common stock, and remaining balances are 17,128 and 15,287 DRSUs on the two grants.

When do the Minerals Technologies (MTX) DRSUs held by the CFO vest?

One DRSU grant was made on January 23, 2024 and vests in three equal annual installments beginning January 23, 2025. Another grant was made on January 24, 2023 and vests in three equal annual installments beginning January 24, 2024.

Why were some Minerals Technologies (MTX) shares sold in the CFO’s Form 4?

The filing explains that the shares marked with footnote (1) were withheld by Minerals Technologies Inc. to satisfy tax withholding obligations in connection with the DRSU conversions.