Ownership

D. Mark DeWalch - Insider Trading & Ownership

Entity: Individual
Location: C/O Black Stone Minerals, L.P., 1001 Fannin Street, Suite 2020, Houston, TX
Summary: The estimated net worth of D. Mark DeWalch is at least $29.5M dollars as of April 7, 2025. D. Mark DeWalch is the Director of Black Stone Minerals, L.P. and owns shares of Black Stone Minerals, L.P. (BSM) stock worth about $29.5M.
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Ownership of D. Mark DeWalch

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
BSM	Black Stone Minerals, L.P.	Director	$29.5M	+$500K	+1.72%	Apr 4, 2025

Insider Transactions Reported by D. Mark DeWalch:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.