BSM Stock: Insider Activity, Filings & Research

Black Stone Minerals, L.P. (BSM)Drillr’s hub for BSM insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, BSM insiders filed 6 open-market buys and 3 sales (SEC Form 4).

BSM insider trading activity (SEC Form 4)

Sentiment
66/100
Buys (3m)
6
Sells (3m)
3
Net (3m)
$933.5K
Insiders buying
Insider trades by month Buys Sells
Aug
Sep
Mar
Apr
May
Jun
Context3-month price -7.9%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jun 2, 2026DeWalch D MarkdirectorBuy36,363$13.48
May 28, 2026DeWalch D MarkdirectorBuy37,650$13.21
May 14, 2026Carter Thomas L Jrdirector, officer: Executive ChairmanBuy1,120$13.50
May 13, 2026Longmaid Ashley JdirectorSell11,128$13.45
May 12, 2026Carter Thomas L Jrdirector, officer: Executive ChairmanBuy23,604$13.32
May 12, 2026Carter Thomas L Jrdirector, officer: Executive ChairmanBuy25,000$13.47
May 12, 2026Carter Thomas L Jrdirector, officer: Executive ChairmanBuy19,154$13.48
May 6, 2026Putman Luke Stevensofficer: SVP, General Counsel, and SecSell29,386$13.75
Apr 7, 2026Putman Luke Stevensofficer: SVP, General Counsel, and SecSell29,386$14.45
Apr 6, 2026Kyle Jerry V. Jr.directorGrant1,240$15.12
Apr 6, 2026Hamman Anne LenoirdirectorGrant473$15.12
Apr 6, 2026Randall William E.directorGrant1,488$15.12
Apr 6, 2026Stuart Alexander D.directorGrant1,570$15.12
Apr 6, 2026DeWalch D MarkdirectorGrant1,240$15.12
Mar 12, 2026Hamman Anne LenoirdirectorGrant6,613

Source: BSM SEC Form 4 filings, latest Jun 2, 2026. For informational purposes only — not investment advice.

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