D Mark De Walch Black Stone Minerals, L.P. (BSM) insider trading activity

D Mark De Walch is Director of Black Stone Minerals, L.P.. Currently has a direct ownership of 375,514 shares of BSM, which is worth approximately $4.64 Million. The most recent transaction as insider was on Jul 03, 2025, when has been sold 1,433 shares (Common units representing limited partner interests) at a price of $13.08 per share, resulting in proceeds of $18,743. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 376K

0.38% 3M change

5.18% 12M change

Total Value Held $4.64 Million

D Mark DeWalch Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jul 03 2025	BUY Grant, award, or other acquisition	$18,743 $13.08 p/Share	1,433 Added 0.38%	375,514 Common units represent...
Apr 04 2025	BUY Grant, award, or other acquisition	$18,736 $15.27 p/Share	1,227 Added 0.33%	374,081 Common units represent...
Jan 13 2025	BUY Grant, award, or other acquisition	-	13,324 Added 3.45%	372,854 Common units represent...
Jan 03 2025	BUY Grant, award, or other acquisition	$18,746 $14.6 p/Share	1,284 Added 0.36%	359,530 Common units represent...
Oct 04 2024	BUY Grant, award, or other acquisition	$18,739 $15.1 p/Share	1,241 Added 0.35%	358,246 Common units represent...
Aug 15 2024	BUY Open market or private purchase	$500,004 $14.62 p/Share	34,200 Added 8.74%	357,005 Common units represent...
Jul 05 2024	BUY Grant, award, or other acquisition	$18,741 $15.67 p/Share	1,196 Added 0.37%	322,805 Common units represent...
Apr 05 2024	BUY Grant, award, or other acquisition	$18,744 $15.98 p/Share	1,173 Added 0.36%	321,609 Common units represent...
Feb 26 2024	BUY Open market or private purchase	$50,277 $15.47 p/Share	3,250 Added 1.0%	320,436 Common units represent...
Jan 11 2024	BUY Grant, award, or other acquisition	-	12,307 Added 3.74%	317,186 Common units represent...
Nov 17 2023	BUY Open market or private purchase	$389,974 $17.49 p/Share	22,297 Added 6.81%	304,879 Common units represent...
Nov 16 2023	BUY Open market or private purchase	$371,989 $17.14 p/Share	21,703 Added 7.13%	282,582 Common units represent...
Mar 06 2023	BUY Open market or private purchase	$493,727 $15.85 p/Share	31,150 Added 10.67%	260,879 Common units represent...
Jan 11 2023	BUY Grant, award, or other acquisition	-	12,539 Added 5.18%	229,729 Common units represent...
Jan 11 2022	BUY Grant, award, or other acquisition	-	14,115 Added 6.1%	217,190 Common units represent...
Jan 12 2021	BUY Grant, award, or other acquisition	-	15,414 Added 7.05%	203,075 Common units represent...

DMD

D Mark De Walch

Director

Houston, TX

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