Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Black Stone Minerals L.P., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Black Stone Minerals L.P. June 12, 202597.8%
-
Black Stone Minerals L.P. June 13, 202497.9%
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Black Stone Minerals L.P. June 15, 202397.9%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Oct 3, 2025 | Black Stone Minerals L.P. | Grant or award | +2,378 | $13.14 | $31,247 |
| Jul 3, 2025 | Black Stone Minerals L.P. | Grant or award | +1,624 | $13.08 | $21,242 |
| Jun 20, 2025 | Black Stone Minerals L.P. | Other | +54,690 | — | — |
| Jun 20, 2025 | Black Stone Minerals L.P. | Other | +54,690 | — | — |
| Jun 20, 2025 | Black Stone Minerals L.P. | Other | +12,153 | — | — |
| Apr 4, 2025 | Black Stone Minerals L.P. | Grant or award | +1,391 | $15.27 | $21,241 |
| Jan 13, 2025 | Black Stone Minerals L.P. | Grant or award | +13,324 | — | — |
| Jan 3, 2025 | Black Stone Minerals L.P. | Grant or award | +1,455 | $14.60 | $21,243 |
| Oct 4, 2024 | Black Stone Minerals L.P. | Grant or award | +1,407 | $15.10 | $21,246 |
| Jul 5, 2024 | Black Stone Minerals L.P. | Grant or award | +1,356 | $15.67 | $21,249 |
| Apr 5, 2024 | Black Stone Minerals L.P. | Grant or award | +1,329 | $15.98 | $21,237 |
| Jan 11, 2024 | Black Stone Minerals L.P. | Grant or award | +12,307 | — | — |
| Jan 5, 2024 | Black Stone Minerals L.P. | Grant or award | +1,331 | $15.96 | $21,243 |
| Oct 6, 2023 | Black Stone Minerals L.P. | Grant or award | +1,233 | $17.23 | $21,245 |
| Jul 7, 2023 | Black Stone Minerals L.P. | Grant or award | +1,332 | $15.95 | $21,245 |
Questions about William N. Mathis
What boards is William N. Mathis on?
William N. Mathis sits on the board of Black Stone Minerals L.P.
How long has William N. Mathis served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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