BSM insider buying
Every open-market purchase of Black Stone Minerals, L.P. (BSM) stock by its officers, directors and major shareholders, from SEC Form 4 filings.
Bought, last 12 months$2.41M
Insiders buying (12m)2
Purchases on record4
Last purchase filedJun 2, 2026
In the last 12 months, 2 insiders of Black Stone Minerals, L.P. bought $2.41M of BSM stock on the open market in 4 reported purchases. The most recent was filed on Jun 2, 2026: DeWalch D Mark (Director) bought 72,726 shares at $13.55, worth $985.44K.
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| Filed | Insider | Value | Shares | Price | Stake | Trade | |
|---|---|---|---|---|---|---|---|
| Jun 2 | DeWalch D MarkDirector | $985.44K | 72,726 | $13.55 | +13% | May 29 | SEC |
| May 28 | DeWalch D MarkDirector | $497.36K | 37,650 | $13.21 | +10% | May 28 | SEC |
| May 14 | Carter Thomas L JrExecutive Chairman, Director | $15.12K | 1,120 | $13.50 | +0% | May 13 | SEC |
| May 12 | Carter Thomas L JrExecutive Chairman, Director | $909.35K | 67,758 | $13.42 | +2% | May 8 | SEC |