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Black Stone Minerals L.P. (BSM) Insider Trading

In the last 90 days, 1 Black Stone Minerals L.P. (BSM) insider reported no open-market purchases and 1 sale totaling $28,099,057. Source: SEC Form 4 filings.

SEC-reported filing activity is provided for research purposes and is not investment advice.

90-day C-suite buyers
0
90-day purchase value
$0.00
Corporate buyers
0
Latest transaction
Aug 6, 2026

Executive filings

Open-market transaction history

Purchase and sale summaries are ordered by the latest reported transaction date.

Open-market insider purchase and sale transactions
DateInsider nameRoleTypeSharesPriceTotal value
Aug 6, 2026James WhiteheadCorporate insiderSale2,127,105$13.21$28,099,057
Jun 1, 2026D Mark DeWalchCorporate insiderOpen Market Purchase72,726$13.55$985,357
May 28, 2026D Mark DeWalchCorporate insiderOpen Market Purchase37,650$13.21$497,341
May 13, 2026Thomas L Carter JrExecutive ChairmanOpen Market Purchase1,120$13.50$15,120
May 12, 2026Ashley J LongmaidCorporate insiderSale11,128$13.45$149,697
May 12, 2026Thomas L Carter JrExecutive ChairmanOpen Market Purchase67,758$13.42$909,333
May 5, 2026Luke Stevens PutmanSVP, General Counsel, and SecSale29,386$13.75$403,999

Common questions

BSM insider trading FAQ

Are BSM insiders buying or selling?
Over the last 90 days, BSM insiders were net sellers, reporting $0.00 of open-market purchases and $28,099,057 of sales.
When was the last BSM insider purchase?
No open-market insider purchase of Black Stone Minerals L.P. stock was reported in the last 90 days.
Where does BSM insider trading data come from?
Watch Insiders reads the SEC Form 4 filings that Black Stone Minerals L.P. officers, directors, and 10% owners submit to EDGAR, and refreshes this page daily.