Insider Transactions
Showing insider trading activity for CLARK ROBERT L.
Insider Trading Activity Chart
Visualizing insider transactions on stock price candles
Transaction Type
Insider Role
Min Transaction Value
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Recent Filings
| Symbol | Name | Filed | Transaction | Type | Role | Shares |
|---|---|---|---|---|---|---|
| MTX | CLARK ROBERT L | 21 May 2026 | 20 May 2026 | A-Award | director | 1,908.146 |
| MTX | CLARK ROBERT L | 10 Mar 2026 | 6 Mar 2026 | A-Award | director | 56.439 |
| MTX | CLARK ROBERT L | 8 Dec 2025 | 4 Dec 2025 | A-Award | director | 64.72 |
| MTX | CLARK ROBERT L | 9 Sept 2025 | 5 Sept 2025 | A-Award | director | 54.163 |
| MTX | CLARK ROBERT L | 16 Jun 2025 | 12 Jun 2025 | A-Award | director | 61.885 |
| MTX | CLARK ROBERT L | 16 May 2025 | 14 May 2025 | A-Award | director | 2,500 |
| MTX | CLARK ROBERT L | 11 Mar 2025 | 7 Mar 2025 | A-Award | director | 46.982 |
| MTX | CLARK ROBERT L | 9 Dec 2024 | 5 Dec 2024 | A-Award | director | 39.659 |
| MTX | CLARK ROBERT L | 9 Sept 2024 | 6 Sept 2024 | A-Award | director | 40.176 |
| MTX | CLARK ROBERT L | 14 Jun 2024 | 13 Jun 2024 | A-Award | director | 34.647 |
| MTX | CLARK ROBERT L | 16 May 2024 | 15 May 2024 | A-Award | director | 1,541.687 |
| MTX | CLARK ROBERT L | 11 Mar 2024 | 7 Mar 2024 | A-Award | director | 37.467 |
| MTX | CLARK ROBERT L | 11 Dec 2023 | 7 Dec 2023 | A-Award | director | 42.541 |
| MTX | CLARK ROBERT L | 4 Oct 2023 | 2 Oct 2023 | A-Award | director | 60.556 |
| MTX | CLARK ROBERT L | 12 Sept 2023 | 8 Sept 2023 | A-Award | director | 24.868 |
| MTX | CLARK ROBERT L | 5 Jul 2023 | 3 Jul 2023 | A-Award | director | 56.738 |
| MTX | CLARK ROBERT L | 16 Jun 2023 | 15 Jun 2023 | A-Award | director | 23.952 |
| MTX | CLARK ROBERT L | 19 May 2023 | 17 May 2023 | A-Award | director | 2,066.799 |
| MTX | CLARK ROBERT L | 4 Apr 2023 | 3 Apr 2023 | A-Award | director | 53.977 |
| MTX | CLARK ROBERT L | 13 Mar 2023 | 9 Mar 2023 | A-Award | director | 20.8 |