Minerals Technologies Inc (MTX) insider trading
Every open-market stock purchase and sale by Minerals Technologies Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $4.1M over the last 12 months (4 sales). No open-market buys.
- Last insider buy: Rocky Motwani (Insider), $20.1K, 16 months ago.
- Congress: Gilbert Cisneros bought $1K to $15K, 3 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $4.1M (4 sales). Last close $63.23 on Oct 21, 2026.
Recent MTX insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 1, 2026 | Carolyn K Pittman (Insider) | Bought (not open market) | — |
| Sep 4, 2026 | Marc E Robinson (Insider) | Bought (not open market) | — |
| Sep 4, 2026 | Carolyn K Pittman (Insider) | Bought (not open market) | — |
| Sep 4, 2026 | Rocky Motwani (Insider) | Bought (not open market) | — |
| Sep 4, 2026 | Kristina M Johnson (Insider) | Bought (not open market) | — |
| Sep 4, 2026 | Robert L Clark (Insider) | Bought (not open market) | — |
| Sep 4, 2026 | John J Carmola (Insider) | Bought (not open market) | — |
| Sep 4, 2026 | Joseph C. Breunig (Insider) | Bought (not open market) | — |
| Jul 10, 2026 | Gilbert Cisneros (Representative) | Bought | $1K–15K |
| Jul 1, 2026 | Carolyn K Pittman (Insider) | Bought (not open market) | — |
| Jun 18, 2026 | Joseph C. Breunig (Insider) | Bought (not open market) | — |
| Jun 18, 2026 | John J Carmola (Insider) | Bought (not open market) | — |
| Jun 18, 2026 | Kristina M Johnson (Insider) | Bought (not open market) | — |
| Jun 18, 2026 | Rocky Motwani (Insider) | Bought (not open market) | — |
| Jun 18, 2026 | Carolyn K Pittman (Insider) | Bought (not open market) | — |
| Jun 18, 2026 | Robert L Clark (Insider) | Bought (not open market) | — |
| Jun 18, 2026 | Marc E Robinson (Insider) | Bought (not open market) | — |
| May 20, 2026 | Joseph C. Breunig (Insider) | Bought (not open market) | — |
| May 20, 2026 | John J Carmola (Insider) | Bought (not open market) | — |
| May 20, 2026 | Robert L Clark (Insider) | Bought (not open market) | — |
| May 20, 2026 | Kristina M Johnson (Insider) | Bought (not open market) | — |
| May 20, 2026 | Rocky Motwani (Insider) | Bought (not open market) | — |
| May 20, 2026 | Carolyn K Pittman (Insider) | Bought (not open market) | — |
| May 20, 2026 | Marc E Robinson (Insider) | Bought (not open market) | — |
| May 14, 2026 | Douglas T Dietrich (CEO) | Sold | $1.8M |
Who's trading MTX
- Carolyn K Pittman, Insider: other filings, last Oct 1, 2026
- Marc E Robinson, Insider: other filings, last Sep 4, 2026
- Joseph C. Breunig, Insider: other filings, last Sep 4, 2026
- John J Carmola, Insider: other filings, last Sep 4, 2026
- Robert L Clark, Insider: other filings, last Sep 4, 2026
- Rocky Motwani, Insider: other filings, last Sep 4, 2026
- Kristina M Johnson, Insider: other filings, last Sep 4, 2026
- Gilbert Cisneros, Representative: bought $8K (1 buy), last Jul 10, 2026
- Douglas T Dietrich, CEO: sold $1.8M (1 sale), last May 14, 2026
- Timothy Jordan, President: sold $482K (1 sale), last May 11, 2026
- Franklin Feder, Insider: other filings, last Apr 1, 2026
- Alison Ann Deans, Insider: other filings, last Mar 6, 2026
- Erik Aldag, President: other filings, last Jan 26, 2026
- Jonathan J Hastings, President: other filings, last Jan 26, 2026
- Erin Cutler, VP: other filings, last Jan 26, 2026
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