BSM
insider transactionsBlack Stone Minerals, L.P. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Cluster buy signal: Multiple insiders at the same company buying around the same time — often a stronger signal than a single buy. 2 different insiders made open-market purchases in the last 365 days, totalling $2.4M.
Net shares · 365d
+19.4K
179.3K buy · 159.8K sell
Net value · 365d
$80.9K
$2.4M in · $2.3M out
Sentiment · 365d
Net buying
51% buying · 49% selling
Open-market trades · 365d
13
179.3K buy · 159.8K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Buy·P
Director
$495.3K
36.4K sh · $13.62
Own +6%
-
Buy·P
Director
$490.0K
36.4K sh · $13.48
Own +7%
-
Buy·P
Director
$497.3K
37.6K sh · $13.21
Own +10%
-
Buy·P
Executive Chairman
$15.1K
1.1K sh · $13.50
Own +0%
-
Buy·P
Executive Chairman
$258.1K
19.2K sh · $13.48
Own +1%
-
Sell·S
Director
$149.7K
11.1K sh · $13.45
Own -7%
-
Buy·P
Executive Chairman
$336.9K
25.0K sh · $13.47
Own +1%
-
Buy·P
Executive Chairman
$314.4K
23.6K sh · $13.32
Own +1%
-
Sell·S
SVP, General Counsel, and Sec · 10b5-1
$404.0K
29.4K sh · $13.75
Own -4%
-
Sell·S
SVP, General Counsel, and Sec · 10b5-1
$424.7K
29.4K sh · $14.45
Own -4%
-
Sell·S
SVP, General Counsel, and Sec
$424.7K
29.4K sh · $14.45
Own -4%
-
Grant·A
Director
$7.2K
473 sh · $15.12
Own +7%
-
Grant·A
Director
$22.5K
1.5K sh · $15.12
Own +1%
-
Grant·A
Director
$23.7K
1.6K sh · $15.12
Own +0%
-
Grant·A
Director
$18.7K
1.2K sh · $15.12
Own +0%
-
Grant·A
Director
$18.7K
1.2K sh · $15.12
Own +0%
-
Grant·A
Director
$0
6.6K sh
Own New
-
Sell·S
SVP, General Counsel, and Sec · 10b5-1
$461.6K
30.3K sh · $15.25
Own -4%
-
Sell·S
SVP, General Counsel, and Sec · 10b5-1
$461.6K
30.3K sh · $15.25
Own -4%
-
Other·F
Fowler Carter KEY
Co-CEO and President
$4.9K
325 sh · $15.23
Own -0%
-
Grant·A
Fowler Carter KEY
Co-CEO and President
$0
1.3K sh
Own +1%
-
Other·F
Chris Bonner KEY
SVP, CFO, and Treasurer
$6.5K
430 sh · $15.23
Own -1%
-
Grant·A
Chris Bonner KEY
SVP, CFO, and Treasurer
$0
1.4K sh
Own +3%
-
Other·F
Taylor Dewalch KEY
Co-CEO and President
$7.3K
478 sh · $15.23
Own -0%
-
Grant·A
Taylor Dewalch KEY
Co-CEO and President
$0
2.0K sh
Own +1%
-
Other·F
SVP, General Counsel, and Sec
$385.3K
25.3K sh · $15.23
Own -3%
-
Grant·A
SVP, General Counsel, and Sec
$0
68.9K sh
Own +9%
-
Other·F
Executive Chairman
$817.0K
53.6K sh · $15.23
Own -1%
-
Grant·A
Executive Chairman
$0
136.3K sh
Own +4%
-
Grant·A
Controller (PAO)
$0
2.0K sh
Own +105%
-
Grant·A
Fowler Carter KEY
Co-CEO and President
$0
80.1K sh
Own +181%
-
Grant·A
Chris Bonner KEY
SVP, CFO, and Treasurer
$0
42.7K sh
Own +616%
-
Grant·A
Taylor Dewalch KEY
Co-CEO and President
$0
80.1K sh
Own +134%
-
Grant·A
SVP, General Counsel, and Sec
$0
65.4K sh
Own +10%
-
Grant·A
Executive Chairman
$0
53.4K sh
Own +2%
-
Grant·A
Director
$0
14.3K sh
Own +11%
-
Grant·A
Director
$0
14.3K sh
Own +38%
-
Grant·A
Director
$0
14.3K sh
Own +8%
-
Grant·A
Director
$0
14.3K sh
Own +1%
-
Grant·A
Director
$0
14.3K sh
Own +4%
-
Grant·A
Director
$0
14.3K sh
Own +5%
-
Grant·A
Director
$0
14.3K sh
Own +7%
-
Other·F
Fowler Carter KEY
Co-CEO and President
$33.6K
2.5K sh · $13.38
Own -5%
-
Other·F
Chris Bonner KEY
SVP, CFO, and Treasurer
$8.6K
642 sh · $13.38
Own -8%
-
Other·F
Taylor Dewalch KEY
Co-CEO and President
$73.0K
5.5K sh · $13.38
Own -8%
-
Other·F
SVP, General Counsel, and Sec
$199.6K
14.9K sh · $13.38
Own -2%
-
Other·F
Executive Chairman
$467.4K
34.9K sh · $13.38
Own -1%
-
Other·F
Controller (PAO)
$2.8K
211 sh · $13.38
Own -10%
-
Grant·A
Director
$20.4K
1.5K sh · $13.29
Own +1%
-
Grant·A
Director
$22.5K
1.7K sh · $13.29
Own +0%
-
Grant·A
Director
$18.7K
1.4K sh · $13.29
Own +0%
-
Grant·A
Director
$18.7K
1.4K sh · $13.29
Own +0%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 1, 2026 | Mark D Dewalch | Buy P | 36.4K | $495.3K |
| May 29, 2026 | Mark D Dewalch | Buy P | 36.4K | $490.0K |
| May 28, 2026 | Mark D Dewalch | Buy P | 37.6K | $497.3K |
| May 13, 2026 | Thomas L Carter Jr KEY | Buy P | 1.1K | $15.1K |
| May 12, 2026 | Thomas L Carter Jr KEY | Buy P | 19.2K | $258.1K |
| May 12, 2026 | Ashley J Longmaid | Sell S | 11.1K | $149.7K |
| May 11, 2026 | Thomas L Carter Jr KEY | Buy P | 25.0K | $336.9K |
| May 8, 2026 | Thomas L Carter Jr KEY | Buy P | 23.6K | $314.4K |
| May 5, 2026 | Luke Stevens Putman 10b5-1 | Sell S | 29.4K | $404.0K |
| Apr 6, 2026 | Luke Stevens Putman 10b5-1 | Sell S | 29.4K | $424.7K |
| Apr 6, 2026 | Luke Stevens Putman | Sell S | 29.4K | $424.7K |
| Apr 2, 2026 | Anne Lenoir Hamman | Grant A | 473 | $7.2K |
| Apr 2, 2026 | William E. Randall | Grant A | 1.5K | $22.5K |
| Apr 2, 2026 | Alexander D. Stuart | Grant A | 1.6K | $23.7K |
| Apr 2, 2026 | Mark D Dewalch | Grant A | 1.2K | $18.7K |
| Apr 2, 2026 | Jerry V. Kyle Jr. | Grant A | 1.2K | $18.7K |
| Mar 11, 2026 | Anne Lenoir Hamman | Grant A | 6.6K | $0 |
| Mar 5, 2026 | Luke Stevens Putman 10b5-1 | Sell S | 30.3K | $461.6K |
| Mar 5, 2026 | Luke Stevens Putman 10b5-1 | Sell S | 30.3K | $461.6K |
| Feb 24, 2026 | Fowler Carter KEY | Other F | 325 | $4.9K |
| Feb 24, 2026 | Fowler Carter KEY | Grant A | 1.3K | $0 |
| Feb 24, 2026 | Chris Bonner KEY | Other F | 430 | $6.5K |
| Feb 24, 2026 | Chris Bonner KEY | Grant A | 1.4K | $0 |
| Feb 24, 2026 | Taylor Dewalch KEY | Other F | 478 | $7.3K |
| Feb 24, 2026 | Taylor Dewalch KEY | Grant A | 2.0K | $0 |
| Feb 24, 2026 | Luke Stevens Putman | Other F | 25.3K | $385.3K |
| Feb 24, 2026 | Luke Stevens Putman | Grant A | 68.9K | $0 |
| Feb 24, 2026 | Thomas L Carter Jr KEY | Other F | 53.6K | $817.0K |
| Feb 24, 2026 | Thomas L Carter Jr KEY | Grant A | 136.3K | $0 |
| Feb 4, 2026 | Erin Leah Phillips | Grant A | 2.0K | $0 |
| Feb 4, 2026 | Fowler Carter KEY | Grant A | 80.1K | $0 |
| Feb 4, 2026 | Chris Bonner KEY | Grant A | 42.7K | $0 |
| Feb 4, 2026 | Taylor Dewalch KEY | Grant A | 80.1K | $0 |
| Feb 4, 2026 | Luke Stevens Putman | Grant A | 65.4K | $0 |
| Feb 4, 2026 | Thomas L Carter Jr KEY | Grant A | 53.4K | $0 |
| Jan 13, 2026 | Ashley J Longmaid | Grant A | 14.3K | $0 |
| Jan 13, 2026 | James Whitehead | Grant A | 14.3K | $0 |
| Jan 13, 2026 | William E. Randall | Grant A | 14.3K | $0 |
| Jan 13, 2026 | Alexander D. Stuart | Grant A | 14.3K | $0 |
| Jan 13, 2026 | Mark D Dewalch | Grant A | 14.3K | $0 |
| Jan 13, 2026 | Jerry V. Kyle Jr. | Grant A | 14.3K | $0 |
| Jan 13, 2026 | Michael C Linn | Grant A | 14.3K | $0 |
| Jan 7, 2026 | Fowler Carter KEY | Other F | 2.5K | $33.6K |
| Jan 7, 2026 | Chris Bonner KEY | Other F | 642 | $8.6K |
| Jan 7, 2026 | Taylor Dewalch KEY | Other F | 5.5K | $73.0K |
| Jan 7, 2026 | Luke Stevens Putman | Other F | 14.9K | $199.6K |
| Jan 7, 2026 | Thomas L Carter Jr KEY | Other F | 34.9K | $467.4K |
| Jan 7, 2026 | Erin Leah Phillips | Other F | 211 | $2.8K |
| Jan 2, 2026 | William E. Randall | Grant A | 1.5K | $20.4K |
| Jan 2, 2026 | Alexander D. Stuart | Grant A | 1.7K | $22.5K |
| Jan 2, 2026 | Mark D Dewalch | Grant A | 1.4K | $18.7K |
| Jan 2, 2026 | Jerry V. Kyle Jr. | Grant A | 1.4K | $18.7K |
About BSM insider trading
This page tracks insider transactions for Black Stone Minerals, L.P. (BSM) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.