Mathis William N. (CIK 1640004) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-10-07). Recent activity: Buy BSM (2,378 shares), Buy BSM (1,624 shares), Buy BSM (54,690 shares), Buy BSM (54,690 shares), Buy BSM (12,153 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-10-07 | Black Stone Minerals, L.P. (BSM) | Director | Buy | 2,378 | $31,247 |
| 2025-07-03 | Black Stone Minerals, L.P. (BSM) | Director | Buy | 1,624 | $21,242 |
| 2025-06-20 | Black Stone Minerals, L.P. (BSM) | Director | Buy | 54,690 | $0 |
| 2025-06-20 | Black Stone Minerals, L.P. (BSM) | Director | Buy | 54,690 | $0 |
| 2025-06-20 | Black Stone Minerals, L.P. (BSM) | Director | Buy | 12,153 | $0 |
| 2025-04-07 | Black Stone Minerals, L.P. (BSM) | Director | Buy | 1,391 | $21,241 |
| 2025-01-15 | Black Stone Minerals, L.P. (BSM) | Director | Buy | 13,324 | $0 |
Source: SEC Form 4 filings · as of 2025-10-07