Key facts
- This page summarizes Douglas T. Dietrich's Form 4 filing for MINERALS TECHNOLOGIES INC (MTX).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 18 May 2026, 09:58.
Douglas T. Dietrich - 14 May 2026 Form 4 Insider Report for MINERALS TECHNOLOGIES INC (MTX)
- Reporting relationship
- CHAIRMAN AND CEO, Director
- Issuer ticker
- MTX
- Reported as of
- 14 May 2026
- Net transaction value
- -$1,758,422
- SEC form
- 4
- Accepted by SEC
- 18 May 2026, 09:58:02 UTC
- Prior SEC filing
- 26 Feb 2026
- Next SEC filing
- 28 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Timothy J Jordan for Douglas Dietrich
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Douglas T. Dietrich filed Form 4 for MINERALS TECHNOLOGIES INC (MTX) on 18 May 2026.
Change
- Previous filing in this sequence was filed on 26 Feb 2026.
- Current net transaction value: -$1,758,422.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001408736
Primary reporting owner
DIETRICH DOUGLAS T
- Relationship
- CHAIRMAN AND CEO, Director
- Address
- 622 THIRD AVENUE, NEW YORK
- Signature
- /s/ Timothy J Jordan for Douglas Dietrich
- Signature date
- 18 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MTX
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +21,568
- Change %
- +12%
- Price
- $78.02*
- Shares after
- 197,541
- Date
- 14 May 2026
- Ownership
- Direct
MTX
transaction
Common Stock
Sale
- Transaction value
- $1,758,422
- Shares
- -21,568
- Change %
- -11%
- Price
- $81.53
- Shares after
- 175,973
- Date
- 14 May 2026
- Ownership
- Direct
- Footnotes
- F1
MTX
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 4,735
- Date
- 14 May 2026
- Ownership
- By 401(k)
- Footnotes
- F2
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
MTX
transaction
Derivative
Employee Stock Options (Right to Buy)
Options Exercise
- Transaction value
- Shares
- -21,568
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 14 May 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 21,568
- Exercise price
- $78.02
- Footnotes
- F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
Weighted average price representing high of $81.960 and low of $81.140.
Footnote F2
The information contained in this report is based on a Plan Statement as of May 14, 2026.
Footnote F3
The options were granted on January 17, 2017 and vested in three equal annual installments beginning on January 17, 2018.