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DeWalch D Mark

DirectorCIK 0001638259

Largest Purchase

$985.4K

Black Stone Minerals, L.P. (BSM)

Jun 2

Profile

Filings
6
Buy transactions
3
Sell transactions
0
Companies
1
Active
2025–2026

Across 6 filings between 2025–2026, DeWalch D Mark, Director, has disclosed $1.5M in transactions — all concentrated in Black Stone Minerals, L.P. (BSM). Their disclosed trades are heavily weighted toward buying$1.5M in buys and $0 in sells. The largest single open-market purchase on record is $985.4K in Black Stone Minerals, L.P.. Data is sourced from official SEC Form 3, 4, and 5 filings.

Trading History

6 loaded
Jul 2BSM
Black Stone Minerals, L.P.
DeWalch D MarkDirectorGrant$18.7K
Jun 2BSM
Black Stone Minerals, L.P.
DeWalch D MarkDirectorBuy$985.4K
May 28BSM
Black Stone Minerals, L.P.
DeWalch D MarkDirectorBuy$497.3K
Apr 6BSM
Black Stone Minerals, L.P.
DeWalch D MarkDirectorGrant$18.7K
Jan 15BSM
Black Stone Minerals, L.P.
DeWalch D MarkDirectorGrant$0
Oct 7BSM
Black Stone Minerals, L.P.
DeWalch D MarkDirectorGrant$18.7K

6 filings