Black Stone Minerals, LP (BSM) insider trading
Every open-market stock purchase and sale by Black Stone Minerals, LP executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- James Whitehead (Director) sold $28.1M in the last 90 days.
- Last insider buy: D Mark DeWalch (Director), $495K, 4 months ago.
Last 12 months: insiders bought $2.4M (4 buys) and sold $30.4M (7 sales). Last close $14.89 on Aug 21, 2026.
Recent BSM insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Aug 18, 2026 | Alexander D. Stuart (Director) | Sold (not open market) | — |
| Aug 6, 2026 | James Whitehead (Director) | Sold | $21.5M |
| Aug 6, 2026 | James Whitehead (Director) | Sold | $6.6M |
| Jul 31, 2026 | Jerry V. Kyle Jr. (Director) | Bought (not open market) | — |
| Jun 1, 2026 | D Mark DeWalch (Director) | Bought | $495K |
| May 29, 2026 | D Mark DeWalch (Director) | Bought | $490K |
| May 28, 2026 | D Mark DeWalch (Director) | Bought | $497K |
| May 13, 2026 | Thomas L Carter Jr (Chair) | Bought | $15.1K |
| May 12, 2026 | Thomas L Carter Jr (Chair) | Bought | $258K |
| May 12, 2026 | Ashley J Longmaid (Director) | Sold | $150K |
| May 11, 2026 | Thomas L Carter Jr (Chair) | Bought | $337K |
| May 8, 2026 | Thomas L Carter Jr (Chair) | Bought | $314K |
| May 5, 2026 | Luke Stevens Putman (VP) | Sold | $404K |
| Apr 6, 2026 | Luke Stevens Putman (VP) | Sold | $425K |
| Apr 6, 2026 | Luke Stevens Putman (VP) | Sold | $425K |
| Apr 2, 2026 | Alexander D. Stuart (Director) | Bought (not open market) | $23.7K |
| Apr 2, 2026 | William E. Randall (Director) | Bought (not open market) | $22.5K |
| Apr 2, 2026 | Jerry V. Kyle Jr. (Director) | Bought (not open market) | $18.7K |
| Apr 2, 2026 | D Mark DeWalch (Director) | Bought (not open market) | $18.7K |
| Apr 2, 2026 | Anne Lenoir Hamman (Director) | Bought (not open market) | $7.2K |
| Mar 11, 2026 | Anne Lenoir Hamman (Director) | Bought (not open market) | — |
| Mar 5, 2026 | Luke Stevens Putman (VP) | Sold | $462K |
| Mar 5, 2026 | Luke Stevens Putman (VP) | Sold | $462K |
| Feb 24, 2026 | Thomas L Carter Jr (Chair) | Sold (not open market) | $817K |
| Feb 24, 2026 | Luke Stevens Putman (VP) | Sold (not open market) | $385K |
Who's trading BSM
- Alexander D. Stuart, Director: other filings, last Aug 18, 2026
- James Whitehead, Director: sold $28.1M (2 sales), last Aug 6, 2026
- Jerry V. Kyle Jr., Director: other filings, last Jul 31, 2026
- D Mark DeWalch, Director: bought $1.5M (3 buys), last Jun 1, 2026
- Thomas L Carter Jr, CEO: bought $924K (4 buys), last May 13, 2026
- Ashley J Longmaid, Director: sold $150K (1 sale), last May 12, 2026
- Luke Stevens Putman, VP: sold $2.2M (5 sales), last May 5, 2026
- William E. Randall, Director: other filings, last Apr 2, 2026
- Anne Lenoir Hamman, Director: other filings, last Apr 2, 2026
- Taylor DeWalch, CEO: other filings, last Feb 24, 2026
- Chris Bonner, CFO: other filings, last Feb 24, 2026
- Fowler Carter, CEO: other filings, last Feb 24, 2026
- Erin Leah Phillips, Officer: other filings, last Feb 4, 2026
- Michael C Linn, Director: other filings, last Jan 13, 2026
- Carin Marcy Barth, Director: other filings, last Jan 13, 2026
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