D Mark DeWalch bought $497K of Black Stone Minerals (BSM)
Executed May 28, disclosed May 28, the same day.
Over the 21 trading sessions from the disclosed entry session (May 28), the stock returned +5.3% (delay-adjusted); from the execution session (May 28), +5.3%. Derived: entry at the session's open, exit at the close 20 sessions later.
D Mark DeWalch (Director) filed 2 Form 4 reports in the trailing twelve months (2 purchases, 0 sales), most often in Black Stone Minerals, L.P. (BSM). Across 2 priced purchase filings, the average 21-session return was +5.2% from execution and +2.9% from disclosure (delay-adjusted; derived). The largest single filing was $985K of BSM (72,726 sh across 2 lots, as filed), executed May 29.
Energy · Black Stone Minerals, L.P., together with its subsidiaries, owns and manages oil and natural gas mineral interests
More Energy filings→ Insider filings, newest first→ View the original filing at www.sec.gov→72,726 sh across 2 lots
Exec May 29
Filed Jun 2 · 4:32 PM ET