Black Stone Minerals, L.P. (BSM) Insider Trading -- Recent Executive & Director Transactions
17 insiders reported 94 Form 4 transactions for Black Stone Minerals, L.P. (BSM) over the past 18 months (most recent 2026-10-05). Recent activity: Kyle Jerry V. Jr. (Director) Buy 1,309 shares, DeWalch D Mark (Director) Buy 1,309 shares, Stuart Alexander D. (Director) Buy 1,658 shares, Randall William E. (Director) Buy 1,571 shares, Hamman Anne Lenoir (Director) Buy 1,309 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-05 | Kyle Jerry V. Jr. | Director | Buy | 1,309 | $18,745 |
| 2026-10-05 | DeWalch D Mark | Director | Buy | 1,309 | $18,745 |
| 2026-10-05 | Stuart Alexander D. | Director | Buy | 1,658 | $23,743 |
| 2026-10-05 | Randall William E. | Director | Buy | 1,571 | $22,497 |
| 2026-10-05 | Hamman Anne Lenoir | Director | Buy | 1,309 | $18,745 |
| 2026-08-19 | Stuart Alexander D. | Director | Sell | 15,900 | $0 |
| 2026-08-10 | Whitehead James | Director | Sell | 498,343 | $6.6M |
| 2026-08-10 | Whitehead James | Director | Sell | 1.6M | $21.5M |
| 2026-08-04 | Kyle Jerry V. Jr. | Director | Buy | 7,665 | $0 |
| 2026-07-02 | Randall William E. | Director | Buy | 1,610 | $22,492 |
| 2026-07-02 | DeWalch D Mark | Director | Buy | 1,342 | $18,748 |
| 2026-07-02 | Stuart Alexander D. | Director | Buy | 1,700 | $23,749 |
| 2026-07-02 | Kyle Jerry V. Jr. | Director | Buy | 1,342 | $18,748 |
| 2026-07-02 | Hamman Anne Lenoir | Director | Buy | 1,342 | $18,748 |
| 2026-06-02 | DeWalch D Mark | Director | Buy | 36,363 | $490,173 |
| 2026-06-02 | DeWalch D Mark | Director | Buy | 36,363 | $495,264 |
| 2026-05-28 | DeWalch D Mark | Director | Buy | 37,650 | $497,356 |
| 2026-05-14 | Carter Thomas L Jr | Executive Chairman | Buy | 1,120 | $15,120 |
| 2026-05-13 | Longmaid Ashley J | Director | Sell | 11,128 | $149,672 |
| 2026-05-12 | Carter Thomas L Jr | Executive Chairman | Buy | 23,604 | $314,405 |
| 2026-05-12 | Carter Thomas L Jr | Executive Chairman | Buy | 25,000 | $336,750 |
| 2026-05-12 | Carter Thomas L Jr | Executive Chairman | Buy | 19,154 | $258,196 |
| 2026-05-06 | Putman Luke Stevens | SVP, General Counsel, and Sec | Sell | 29,386 | $404,058 |
| 2026-05-06 | Putman Luke Stevens | SVP, General Counsel, and Sec | Sell | 30,276 | $461,709 |
| 2026-05-06 | Putman Luke Stevens | SVP, General Counsel, and Sec | Sell | 29,386 | $424,628 |
Source: SEC Form 4 filings · as of 2026-10-05