Mathis William N. - Insider Non-Derivative Transactions at Black Stone Minerals, L.P. (BSM) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Oct 3, 2025, Mathis William N.'s relationship to Black Stone Minerals, L.P. (BSM) is Director, and currently has 246,200 shares of Common units representing limited partner interests.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other BSM insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Mathis William N. - Insider Non-Derivative Transactions of BSM Common units representing limited partner interests
Mathis William N. - Insider Non-Derivative Transactions at BSM
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Oct 4, 2025 | Acquisition -- (Common units representing limited partner interests) | 2378 | 13.14 | 246200 |
| Jul 4, 2025 | Acquisition -- (Common units representing limited partner interests) | 1624 | 13.08 | 243822 |
| Jun 21, 2025 | J -- (Common units representing limited partner interests) | 12153 | 0 | 12153 |
| Jun 21, 2025 | J -- (Common units representing limited partner interests) | 54690 | 0 | 54690 |
| Jun 21, 2025 | J -- (Common units representing limited partner interests) | 54690 | 0 | 324763 |
| Apr 5, 2025 | Acquisition -- (Common units representing limited partner interests) | 1391 | 15.27 | 242198 |
| Jan 14, 2025 | Acquisition -- (Common units representing limited partner interests) | 13324 | 0 | 240807 |
| Jan 4, 2025 | Acquisition -- (Common units representing limited partner interests) | 1455 | 14.6 | 227483 |
| Oct 5, 2024 | Acquisition -- (Common units representing limited partner interests) | 1407 | 15.1 | 226028 |
| Jul 6, 2024 | Acquisition -- (Common units representing limited partner interests) | 1356 | 15.67 | 224621 |
| Apr 6, 2024 | Acquisition -- (Common units representing limited partner interests) | 1329 | 15.98 | 223265 |
| Jan 12, 2024 | Acquisition -- (Common units representing limited partner interests) | 12307 | 0 | 221936 |
| Jan 6, 2024 | Acquisition -- (Common units representing limited partner interests) | 1331 | 15.96 | 209629 |
| Oct 7, 2023 | Acquisition -- (Common units representing limited partner interests) | 1233 | 17.23 | 208298 |
| Jul 8, 2023 | Acquisition -- (Common units representing limited partner interests) | 1332 | 15.95 | 207065 |
| Apr 7, 2023 | Acquisition -- (Common units representing limited partner interests) | 1354 | 15.69 | 205733 |
| Jan 12, 2023 | Acquisition -- (Common units representing limited partner interests) | 12539 | 0 | 204379 |
| Jan 7, 2023 | Acquisition -- (Common units representing limited partner interests) | 1259 | 16.87 | 191840 |
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