Black Stone Minerals, L.P.
BSM- Exchange
- NYSE
- Industry
- Crude Petroleum & Natural Gas
- SEC CIK
- 0001621434
In the last 90 days, Black Stone Minerals, L.P. insiders filed 0 open-market purchases and 1 sale; 200 institutions reported holding it in 13F filings for Q2 2026, worth $634.3M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Black Stone Minerals, L.P. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 1 filing
- 1 insider, $28.1M in total
- Insiders trading
- 1
- Net value
- −$28.1M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Black Stone Minerals, L.P., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Stuart Alexander D. | Director | 2,040,075 | Aug 19, 2026 | 6 |
| Whitehead James | Director | 646,058Indirect | Aug 10, 2026 | 2 |
| Kyle Jerry V. Jr. | Director | 7,665Indirect | Aug 4, 2026 | 6 |
| DeWalch D Mark | Director | 432,837 | Jul 2, 2026 | 7 |
| Randall William E. | Director | 193,384 | Jul 2, 2026 | 5 |
| Hamman Anne Lenoir | Director | 8,428 | Jul 2, 2026 | 3 |
| Carter Thomas L Jr | Executive Chairman | 3,682,724 | May 14, 2026 | 5 |
| Longmaid Ashley J | Director | 137,335 | May 13, 2026 | 2 |
| Putman Luke Stevens | SVP, General Counsel, and Sec | 732,031 | May 6, 2026 | 6 |
| DeWalch Taylor | Co-CEO and President | 141,369 | Feb 26, 2026 | 3 |
| Bonner Chris | SVP, CFO, and Treasurer | 50,678 | Feb 26, 2026 | 3 |
| Carter Fowler | Co-CEO and President | 125,379 | Feb 26, 2026 | 3 |
| Phillips Erin Leah | Controller (PAO) | 3,911 | Feb 6, 2026 | 2 |
| Barth Carin Marcy | Director | 142,447 | Jan 15, 2026 | 1 |
| Linn Michael C | Director | 208,150 | Jan 15, 2026 | 1 |
| Mathis William N. | Director | 246,200 | Oct 7, 2025 | 1 |
| Clark Carrie Pearson | SVP, Chief Commercial Officer | 165,857 | May 30, 2025 | 0 |
| Smajstrla Dawn | VP, Chief Accounting Officer | 128,456 | Feb 22, 2024 | 0 |
| Kiefer Evan Montgomery | SVP, CFO & Treasurer | 65,383 | Feb 22, 2024 | 0 |
| Longmaid John H. | Director | 0 | Jan 16, 2024 | 0 |
| Wood Jeffrey P. | President, CFO | 589,109 | Feb 24, 2023 | 0 |
| Thacker Allison K. | Director | 122,656 | Jan 13, 2023 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 10, 2026 (view filing)4:48 PM ET | Aug 6 | 4 days | Whitehead JamesDirector | SSaleCommon units representing limited partner interests | −2.13M | $13.21 | −$28.1M | −76.7%646.1K after | 2 lots |
| Jun 2, 2026 (view filing) | May 29-Jun 1 | 4 days | DeWalch D MarkDirector | PPurchaseCommon units representing limited partner interests | +72.7K | $13.55 | +$985.4K | +13.0%631.2K after | 2 lots |
| May 28, 2026 (view filing) | May 28 | Same day | DeWalch D MarkDirector | PPurchaseCommon units representing limited partner interests | +37.6K | $13.21 | +$497.4K | +9.6%431.5K after | |
| May 14, 2026 (view filing) | May 13 | 1 day | Carter Thomas L JrExecutive Chairman | PPurchaseCommon units representing limited partner interests | +1.12K | $13.50 | +$15.1K | 0.0%3.68M after | |
| May 13, 2026 (view filing) | May 12 | 1 day | Longmaid Ashley JDirector | SSaleCommon units representing limited partner interests | −11.1K | $13.45 | −$149.7K | −7.5%137.3K after | |
| May 12, 2026 (view filing) | May 8-12 | 4 days | Carter Thomas L JrExecutive Chairman | PPurchaseCommon units representing limited partner interests | +67.8K | $13.42 | +$909.4K | +1.9%3.68M after | 3 lots |
| May 6, 2026 (view filing) | Apr 6 | 30 days | Putman Luke StevensSVP, General Counsel, and Sec | SSaleCommon units representing limited partner interests | −29.4K | $14.45 | −$424.6K | −3.9%732.0K after | Amended10b5-1 |
| May 6, 2026 (view filing) | May 5 | 1 day | Putman Luke StevensSVP, General Counsel, and Sec | SSaleCommon units representing limited partner interests | −29.4K | $13.75 | −$404.1K | −4.0%702.6K after | 10b5-1 |
| May 6, 2026 (view filing) | Mar 5 | 62 days | Putman Luke StevensSVP, General Counsel, and Sec | SSaleCommon units representing limited partner interests | −30.3K | $15.25 | −$461.7K | −3.8%761.4K after | Amended10b5-1 |
| Sep 12, 2025 (view filing) | Sep 11-12 | 1 day | Carter Thomas L JrCEO, President, and Chairman | PPurchaseCommon units representing limited partner interests | +15.3K | $12.57 | +$192.4K | +0.4%3.51M after | 2 lots |
| Sep 10, 2025 (view filing) | Sep 8-10 | 2 days | Carter Thomas L JrCEO, President, and Chairman | PPurchaseCommon units representing limited partner interests | +25.4K | $12.08 | +$306.6K | +0.7%3.50M after | 3 lots |
| Aug 20, 2025 (view filing) | Aug 19-20 | 1 day | Carter Thomas L JrCEO, President, and Chairman | PPurchaseCommon units representing limited partner interests | +41.0K | $12.00 | +$492.0K | +1.2%3.47M after | 2 lots |
| Aug 14, 2025 (view filing) | Aug 12 | 2 days | Carter Thomas L JrCEO, President, and Chairman | PPurchaseCommon units representing limited partner interests | +9.20K | $12.36 | +$113.7K | +0.3%3.43M after | |
| Aug 11, 2025 (view filing) | Aug 7-11 | 4 days | Carter Thomas L JrCEO, President, and Chairman | PPurchaseCommon units representing limited partner interests | +72.2K | $12.18 | +$879.3K | +2.2%3.42M after | 3 lots |
| May 30, 2025 (view filing) | May 29 | 1 day | Clark Carrie PearsonSVP, Chief Commercial Officer | SSaleCommon units representing limited partner interests | −36.9K | $13.56 | −$500.4K | −18.2%165.9K after | |
| May 21, 2025 (view filing) | May 21 | Same day | Carter Thomas L JrCEO, President, and Chairman | PPurchaseCommon units representing limited partner interests | +14.5K | $13.52 | +$196.0K | +0.4%3.35M after | |
| Sep 9, 2024 (view filing) | Sep 6 | 3 days | Carter Thomas L JrCEO, President, and Chairman | PPurchaseCommon units representing limited partner interests | +100.0K | $14.12 | +$1.41M | +3.3%3.13M after | |
| Aug 26, 2024 (view filing) | Aug 26 | Same day | Clark Carrie PearsonSVP, Chief Commercial Officer | SSaleCommon units representing limited partner interests | −18.5K | $14.84 | −$275.0K | −13.7%116.9K after | |
| Aug 15, 2024 (view filing) | Aug 15 | Same day | DeWalch D MarkDirector | PPurchaseCommon units representing limited partner interests | +34.2K | $14.62 | +$500.0K | +10.6%357.0K after | |
| Feb 27, 2024 (view filing) | Feb 26 | 1 day | DeWalch D MarkDirector | PPurchaseCommon units representing limited partner interests | +3.25K | $15.47 | +$50.3K | +1.0%320.4K after | |
| Dec 8, 2023 (view filing) | Dec 7-8 | 1 day | Carter Thomas L JrCEO, President, and Chairman | PPurchaseCommon units representing limited partner interests | +31.1K | $16.00 | +$497.3K | +1.1%2.79M after | 2 lots |
| Nov 17, 2023 (view filing) | Nov 16-17 | 1 day | DeWalch D MarkDirector | PPurchaseCommon units representing limited partner interests | +44.0K | $17.32 | +$762.0K | +16.9%304.9K after | 2 lots |
| Nov 8, 2023 (view filing) | Nov 6-8 | 2 days | Carter Thomas L JrCEO and Chairman | PPurchaseCommon units representing limited partner interests | +58.6K | $17.94 | +$1.05M | +2.2%2.76M after | 3 lots |
| Nov 6, 2023 (view filing) | Nov 2-3 | 4 days | Carter Thomas L JrCEO and Chairman | PPurchaseCommon units representing limited partner interests | +50.0K | $18.31 | +$915.3K | +1.9%2.70M after | 2 lots |
| May 8, 2023 (view filing) | May 5 | 3 days | Carter Thomas L JrCEO and Chairman | PPurchaseCommon units representing limited partner interests | +31.8K | $15.53 | +$493.9K | +1.2%2.65M after | |
| May 5, 2023 (view filing) | May 4 | 1 day | Putman Luke StevensSVP, GC, and Secretary | SSaleCommon units representing limited partner interests | −100.0K | $15.06 | −$1.51M | −17.1%486.4K after | |
| Mar 7, 2023 (view filing) | Mar 6 | 1 day | DeWalch D MarkDirector | PPurchaseCommon units representing limited partner interests | +31.1K | $15.85 | +$493.7K | +13.6%260.9K after | |
| Mar 7, 2023 (view filing) | Mar 6 | 1 day | DeWalch D MarkDirector | PPurchaseCommon units representing limited partner interests | +3.10K | $15.85 | +$49.1K | +30.0%13.4K after | |
| Feb 27, 2023 (view filing) | Feb 24-27 | 3 days | Carter Thomas L JrCEO and Chairman | PPurchaseCommon units representing limited partner interests | +62.5K | $15.44 | +$965.3K | +2.4%2.62M after | 2 lots |
| Dec 8, 2022 (view filing) | Dec 6-7 | 2 days | Carter Thomas L JrCEO and Chairman | PPurchaseCommon units representing limited partner interests | +48.5K | $17.30 | +$838.9K | +2.1%2.40M after | 2 lots |
| Nov 9, 2022 (view filing) | Nov 4 | 5 daysLate | Smajstrla DawnVP, Chief Accounting Officer | SSaleCommon units representing limited partner interests | −5.30K | $19.41 | −$102.9K | −6.3%78.3K after | |
| Nov 7, 2022 (view filing) | Nov 3-4 | 4 days | Carter Thomas L JrCEO and Chairman | PPurchaseCommon units representing limited partner interests | +50.0K | $19.38 | +$968.8K | +2.2%2.35M after | 2 lots |
| Sep 15, 2022 (view filing) | Sep 15 | Same day | Carter Thomas L JrCEO and Chairman | PPurchaseCommon units representing limited partner interests | +24.6K | $16.30 | +$401.5K | +1.1%2.30M after | |
| Sep 14, 2022 (view filing) | Sep 12-14 | 2 days | Carter Thomas L JrCEO and Chairman | PPurchaseCommon units representing limited partner interests | +75.0K | $16.29 | +$1.22M | +3.4%2.27M after | 3 lots |
| Aug 8, 2022 (view filing) | Aug 4-5 | 4 days | Carter Thomas L JrCEO and Chairman | PPurchaseCommon units representing limited partner interests | +50.0K | $14.89 | +$744.4K | +2.3%2.20M after | 2 lots |
| Mar 3, 2022 (view filing) | Mar 1 | 2 days | Wood Jeffrey P.President, CFO | SSaleCommon units representing limited partner interests | −40.0K | $12.24 | −$489.6K | −6.9%543.5K after | |
| Feb 25, 2022 (view filing) | Feb 25 | Same day | Putman Luke StevensSVP, GC, and Secretary | SSaleCommon units representing limited partner interests | −60.0K | $11.82 | −$709.2K | −10.6%504.4K after | |
| Sep 2, 2021 (view filing) | Aug 31 | 2 days | Smajstrla DawnVP, Chief Accounting Officer | SSaleCommon units representing limited partner interests | −7.50K | $9.97 | −$74.8K | −10.4%64.9K after |