AlphaYouDM
Insider buying
D Mark Dewalch bought $985K of Black Stone Minerals, L.P. (BSM) stock
D Mark Dewalch, Dir of Black Stone Minerals, L.P. (BSM), bought 72,726 shares of BSM stock worth $985K, per an SEC Form 4 filed Jun 2, 2026.
It was an open-market purchase.
The trade happened on May 29, 2026, 4 days before it was made public.
BSM has moved +9.6% since the trade date, from $13.56 to $14.86 (Sep 21, 2026 close).
- Traded
- May 29, 2026
- Disclosed
- Jun 2, 2026
- Filing delay
- 4 days
- Price since
- +9.6%
- Role
- Dir
- Source
- SEC Form 4
More BSM insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.