AlphaYouDT
Insider selling
Douglas T Dietrich sold $1.8M of Minerals Technologies Inc (MTX) stock
Douglas T Dietrich, Chairman And CEO of Minerals Technologies Inc (MTX), sold 21,568 shares of MTX stock worth $1.8M, per an SEC Form 4 filed May 18, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on May 14, 2026, 4 days before it was made public.
MTX has moved -17.3% since the trade date, from $80.65 to $66.67 (Sep 21, 2026 close).
- Traded
- May 14, 2026
- Disclosed
- May 18, 2026
- Filing delay
- 4 days
- Price since
- -17.3%
- Role
- Chairman And CEO
- Source
- SEC Form 4
More MTX insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.