Black Stone Minerals, L.P. (BSM)
Black Stone Minerals, L.P. (BSM) Insider Trading
Directors, officers and holders of more than 10% of BSM report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 137 transactions on file: 7 with code P, 6 with code S and 37 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 2, 2026 | DeWalch D Mark | Director | A Award | 1,309 | $14.32 | $18,745 |
| Oct 2, 2026 | Kyle Jerry V. Jr. | Director | A Award | 1,309 | $14.32 | $18,745 |
| Oct 2, 2026 | Stuart Alexander D. | Director | A Award | 1,658 | $14.32 | $23,743 |
| Oct 2, 2026 | Randall William E. | Director | A Award | 1,571 | $14.32 | $22,497 |
| Oct 2, 2026 | Hamman Anne Lenoir | Director | A Award | 1,309 | $14.32 | $18,745 |
| Aug 18, 2026 | Stuart Alexander D. | Director | G Gift | 15,900 | Not measured | Not measured |
| Aug 6, 2026 | Whitehead James | Director | S Sale | 1,628,762 | $13.21 | $21,515,946 |
| Aug 6, 2026 | Whitehead James | Director | S Sale | 498,343 | $13.21 | $6,583,111 |
| Jul 31, 2026 | Kyle Jerry V. Jr. | Director | J Other | 7,665 | Not measured | Not measured |
| Jul 2, 2026 | Stuart Alexander D. | Director | A Award | 1,700 | $13.97 | $23,749 |
| Jul 2, 2026 | Randall William E. | Director | A Award | 1,610 | $13.97 | $22,492 |
| Jul 2, 2026 | Kyle Jerry V. Jr. | Director | A Award | 1,342 | $13.97 | $18,748 |
| Jul 2, 2026 | DeWalch D Mark | Director | A Award | 1,342 | $13.97 | $18,748 |
| Jul 2, 2026 | Hamman Anne Lenoir | Director | A Award | 1,342 | $13.97 | $18,748 |
| Jun 1, 2026 | DeWalch D Mark | Director | P Purchase | 36,363 | $13.62 | $495,326 |
| May 29, 2026 | DeWalch D Mark | Director | P Purchase | 36,363 | $13.48 | $490,028 |
| May 28, 2026 | DeWalch D Mark | Director | P Purchase | 37,650 | $13.21 | $497,341 |
| May 13, 2026 | Carter Thomas L Jr | Executive Chairman | P Purchase | 1,120 | $13.50 | $15,120 |
| May 12, 2026 | Longmaid Ashley J | Director | S Sale | 11,128 | $13.45 | $149,697 |
| May 12, 2026 | Carter Thomas L Jr | Executive Chairman | P Purchase | 19,154 | $13.48 | $258,108 |
| May 11, 2026 | Carter Thomas L Jr | Executive Chairman | P Purchase | 25,000 | $13.47 | $336,855 |
| May 8, 2026 | Carter Thomas L Jr | Executive Chairman | P Purchase | 23,604 | $13.32 | $314,372 |
| May 5, 2026 | Putman Luke Stevens | SVP, General Counsel, and Sec | S Sale | 29,386 | $13.75 | $403,999 |
| Apr 6, 2026 | Putman Luke Stevens | SVP, General Counsel, and Sec | S Sale | 29,386 | $14.45 | $424,678 |
| Apr 2, 2026 | Hamman Anne Lenoir | Director | A Award | 473 | $15.12 | $7,152 |
| Apr 2, 2026 | Stuart Alexander D. | Director | A Award | 1,570 | $15.12 | $23,738 |
| Apr 2, 2026 | DeWalch D Mark | Director | A Award | 1,240 | $15.12 | $18,749 |
| Apr 2, 2026 | Kyle Jerry V. Jr. | Director | A Award | 1,240 | $15.12 | $18,749 |
| Apr 2, 2026 | Randall William E. | Director | A Award | 1,488 | $15.12 | $22,499 |
| Mar 11, 2026 | Hamman Anne Lenoir | Director | A Award | 6,613 | Not measured | Not measured |
| Mar 5, 2026 | Putman Luke Stevens | SVP, General Counsel, and Sec | S Sale | 30,276 | $15.25 | $461,585 |
| Feb 24, 2026 | Carter Fowler | Co-CEO and President | F Tax Payment | 325 | $15.23 | $4,950 |
| Feb 24, 2026 | Carter Fowler | Co-CEO and President | A Award | 1,330 | Not measured | Not measured |
| Feb 24, 2026 | Putman Luke Stevens | SVP, General Counsel, and Sec | F Tax Payment | 25,302 | $15.23 | $385,349 |
| Feb 24, 2026 | DeWalch Taylor | Co-CEO and President | F Tax Payment | 478 | $15.23 | $7,280 |
| Feb 24, 2026 | DeWalch Taylor | Co-CEO and President | A Award | 1,958 | Not measured | Not measured |
| Feb 24, 2026 | Carter Thomas L Jr | Executive Chairman | F Tax Payment | 53,641 | $15.23 | $816,952 |
| Feb 24, 2026 | Carter Thomas L Jr | Executive Chairman | A Award | 136,315 | Not measured | Not measured |
| Feb 24, 2026 | Putman Luke Stevens | SVP, General Counsel, and Sec | A Award | 68,853 | Not measured | Not measured |
| Feb 24, 2026 | Bonner Chris | SVP, CFO, and Treasurer | A Award | 1,447 | Not measured | Not measured |
| Feb 24, 2026 | Bonner Chris | SVP, CFO, and Treasurer | F Tax Payment | 430 | $15.23 | $6,549 |
| Feb 4, 2026 | DeWalch Taylor | Co-CEO and President | A Award | 80,106 | Not measured | Not measured |
| Feb 4, 2026 | Carter Thomas L Jr | Executive Chairman | A Award | 53,404 | Not measured | Not measured |
| Feb 4, 2026 | Carter Fowler | Co-CEO and President | A Award | 80,106 | Not measured | Not measured |
| Feb 4, 2026 | Phillips Erin Leah | Controller (PAO) | A Award | 2,002 | Not measured | Not measured |
| Feb 4, 2026 | Putman Luke Stevens | SVP, General Counsel, and Sec | A Award | 65,420 | Not measured | Not measured |
| Feb 4, 2026 | Bonner Chris | SVP, CFO, and Treasurer | A Award | 42,723 | Not measured | Not measured |
| Jan 13, 2026 | BARTH CARIN MARCY | Director | A Award | 14,255 | Not measured | Not measured |
| Jan 13, 2026 | Linn Michael C | Director | A Award | 14,255 | Not measured | Not measured |
| Jan 13, 2026 | Kyle Jerry V. Jr. | Director | A Award | 14,255 | Not measured | Not measured |
The full Form 4 history is on the BSM company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.