Longmaid Ashley J (CIK 2017596) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-13). Recent activity: Sell BSM (11,128 shares), Buy BSM (14,255 shares), Buy BSM (10,266 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-13 | Black Stone Minerals, L.P. (BSM) | Director | Sell | 11,128 | $149,697 |
| 2026-01-15 | Black Stone Minerals, L.P. (BSM) | Director | Buy | 14,255 | $0 |
| 2025-01-15 | Black Stone Minerals, L.P. (BSM) | Director | Buy | 10,266 | $0 |
Source: SEC Form 4 filings · as of 2026-05-13