Recent transactions
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| May 18, 2026 | Dietrich Douglas T | S SaleOE | — | $81.53 | $1.8M | filing | |
| May 13, 2026 | Jordan Timothy | S Sale | — | $80.27 | $482K | filing |
MTX insider trading activity (SEC Form 4). Over the trailing 90 days, MTX insiders filed 0 purchases totalling $0 and 2 sales totalling $2.2M — net SELLING of $2.2M. Most recent filing: May 18, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.