D Mark DeWalch insider trades
Open-market stock purchases and sales by D Mark DeWalch, Director at Black Stone Minerals, LP, from SEC Form 4 filings since May 6, 2015.
Track record: 27% of 11 scored buys are up 5% or more since purchase, averaging -5%.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Jun 1, 2026 | BSM Black Stone Minerals, LP | Bought | $495K |
| May 29, 2026 | BSM Black Stone Minerals, LP | Bought | $490K |
| May 28, 2026 | BSM Black Stone Minerals, LP | Bought | $497K |
| Apr 2, 2026 | BSM Black Stone Minerals, LP | Bought (not open market) | $18.7K |
| Jan 13, 2026 | BSM Black Stone Minerals, LP | Bought (not open market) | — |
| Jan 2, 2026 | BSM Black Stone Minerals, LP | Bought (not open market) | $18.7K |
| Oct 3, 2025 | BSM Black Stone Minerals, LP | Bought (not open market) | $18.7K |
Companies traded
- BSM Black Stone Minerals, LP: 14 buys, last Jun 1, 2026