DeWalch D Mark has filed 18 insider transactions across 1 company since January 2023.
Most recent transaction: a grant/award of 14255 shares of Black Stone Minerals, L.P. ($BSM) on January 13, 2026.
Activity breakdown: 6 open-market purchases and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 13, 2026 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 14255 | $0.00 | 998,685.0000 | 211,862,412 | 1.45% | 0.01% |
| Jan. 2, 2026 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 1410 | $13.29 | 984,430.0000 | 211,862,412 | 0.14% | 0.00% |
| Oct. 3, 2025 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 1426 | $13.14 | 983,020.0000 | 211,137,816 | 0.15% | 0.00% |
| July 3, 2025 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 1433 | $13.08 | 981,594.0000 | 211,137,816 | 0.15% | 0.00% |
| April 4, 2025 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 1227 | $15.27 | 980,161.0000 | 211,137,816 | 0.13% | 0.00% |
| Jan. 13, 2025 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 13324 | $0.00 | 978,934.0000 | 0 | 1.38% | 0.00% |
| Jan. 3, 2025 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 1284 | $14.60 | 965,610.0000 | 0 | 0.13% | 0.00% |
| Oct. 4, 2024 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 1241 | $15.10 | 964,326.0000 | 0 | 0.13% | 0.00% |
| Aug. 15, 2024 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | P | Common units representing limited partner interests | 34200 | $14.62 | 963,085.0000 | 0 | 3.68% | 0.00% |
| July 5, 2024 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 1196 | $15.67 | 928,885.0000 | 0 | 0.13% | 0.00% |
| April 5, 2024 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 1173 | $15.98 | 369,167.0000 | 0 | 0.32% | 0.00% |
| Feb. 26, 2024 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | P | Common units representing limited partner interests | 3250 | $15.47 | 367,994.0000 | 0 | 0.89% | 0.00% |
| Jan. 11, 2024 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 12307 | $0.00 | 364,744.0000 | 0 | 3.49% | 0.00% |
| Nov. 17, 2023 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | P | Common units representing limited partner interests | 22297 | $17.49 | 352,437.0000 | 0 | 6.75% | 0.00% |
| Nov. 16, 2023 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | P | Common units representing limited partner interests | 21703 | $17.14 | 330,140.0000 | 0 | 7.04% | 0.00% |
| March 6, 2023 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | P | Common units representing limited partner interests | 31150 | $15.85 | 321,854.0000 | 0 | 10.72% | 0.00% |
| March 6, 2023 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | P | Common units representing limited partner interests | 3100 | $15.85 | 321,854.0000 | 0 | 0.97% | 0.00% |
| Jan. 11, 2023 | Black Stone Minerals, L.P. | $BSM | DeWalch D Mark | Director | A | Common units representing limited partner interests | 12539 | $0.00 | 287,604.0000 | 0 | 4.56% | 0.00% |