William N. Mathis serves as Executive at Black Stone Minerals, L.P., where they oversee executive responsibilities. Since joining the company, William N. Mathis has executed 70 insider transactions totaling $401.5K, demonstrating a bullish approach to their equity position. Their most recent transaction on Oct 3, 2025 involved receiving (via award) 2,378 shares valued at $31.2K.
William N. Mathis currently holds 246,200 shares of Black Stone Minerals, L.P. (BSM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William N. Mathis has been a net buyer of BSM stock. They have purchased $401.5K and sold $32 worth of shares.
William N. Mathis's most recent insider trade was on Oct 3, 2025, when they sold 2,378 shares at $13.14 per share.
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| $13.08 |
| Discretionary |
| Jul 5, 2024 | BSM | $21.2K | Award | 1,356 | $15.67 | Discretionary |
| Apr 5, 2024 | BSM | $21.2K | Award | 1,329 | $15.98 | Discretionary |
| Jan 11, 2024 | BSM | $0 | Award | 12,307 | $N/A | Discretionary |
| Jan 5, 2024 | BSM | $21.2K | Award | 1,331 | $15.96 | Discretionary |
| Oct 6, 2023 | BSM | $21.2K | Award | 1,233 | $17.23 | Discretionary |
| Jul 7, 2023 | BSM | $21.2K | Award | 1,332 | $15.95 | Discretionary |
| Apr 6, 2023 | BSM | $21.2K | Award | 1,354 | $15.69 | Discretionary |
| Jan 11, 2023 | BSM | $0 | Award | 12,539 | $N/A | Discretionary |
| Jan 6, 2023 | BSM | $21.2K | Award | 1,259 | $16.87 | Discretionary |
| Oct 7, 2022 | BSM | $21.2K | Award | 1,357 | $15.65 | Discretionary |
| Jul 1, 2022 | BSM | $21.2K | Award | 1,552 | $13.69 | Discretionary |
| Apr 1, 2022 | BSM | $21.2K | Award | 1,578 | $13.46 | Discretionary |
| Jan 11, 2022 | BSM | $0 | Award | 14,115 | $N/A | Discretionary |
| Jan 7, 2022 | BSM | $24.4K | Award | 2,361 | $10.35 | Discretionary |
| Oct 1, 2021 | BSM | $18.1K | Award | 1,498 | $12.05 | Discretionary |
| Jul 2, 2021 | BSM | $18.1K | Award | 1,680 | $10.75 | Discretionary |
| Apr 5, 2021 | BSM | $18.1K | Award | 2,071 | $8.72 | Discretionary |
| Jan 12, 2021 | BSM | $0 | Award | 15,414 | $N/A | Discretionary |
| Jan 4, 2021 | BSM | $18.1K | Award | 2,703 | $6.68 | Discretionary |
| Oct 2, 2020 | BSM | $18.1K | Award | 2,941 | $6.14 | Discretionary |
| Jul 1, 2020 | BSM | $18.1K | Award | 2,778 | $6.50 | Discretionary |
| Apr 3, 2020 | BSM | $18.1K | Award | 3,859 | $4.68 | Discretionary |
| Jan 13, 2020 | BSM | $0 | Award | 13,389 | $N/A | Discretionary |
| Jan 3, 2020 | BSM | $21.2K | Award | 1,670 | $12.72 | Discretionary |
| Oct 4, 2019 | BSM | $21.2K | Award | 1,492 | $14.24 | Discretionary |
| Jul 8, 2019 | BSM | $21.2K | Award | 1,370 | $15.50 | Discretionary |
| Jun 14, 2019 | BSM | $0 | Will Acquisition | 210,959 | $N/A | Discretionary |
| Jun 14, 2019 | BSM | $0 | Will Acquisition | 210,960 | $N/A | Discretionary |