D Mark DeWalch

Director, Black Stone Minerals, L.P.

Bought, 12 months

$1.5M

Sold, 12 months

$0.0M

Companies

Latest trade

Jun 1, 2026

Companies

Black Stone Minerals, L.P.Director +$1.5M

Trades

BSM Bought 36,363 shares at $13.62 $0.5M Jun 1

BSM Bought 36,363 shares at $13.48 $0.5M May 29

BSM Bought 37,650 shares at $13.21 $0.5M May 28

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.