Thomas L Carter Jr bought $909k of BSM
Executive Chairman at Black Stone Minerals, L.P.. 67,758 shares at an average of $13.42, traded May 8, 2026, filed May 12, 2026.
Score components
- +20RoleChair
- +24Trade size$909k at market
- 0Relative to holdingsHoldings up 1.9%
- 0Price contextNear the top of the 52-week range
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +2.2%, 3m +7.2%, 6m -.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001319960-26-000010, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 8, 2026 | POpen-market purchase Common units representing limited partner interests | +23,604 | $13.32 | $314k | 3,637,450 | May 12, 2026 |
| May 11, 2026 | POpen-market purchase Common units representing limited partner interests | +25,000 | $13.47 | $337k | 3,662,450 | May 12, 2026 |
| May 12, 2026 | POpen-market purchase Common units representing limited partner interests | +19,154 | $13.48 | $258k | 3,681,604 | May 12, 2026 |
Related signals
Other insiders at Black Stone Minerals, L.P. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 70Notable | BSMsell Black Stone Minerals, L.P. | James Whitehead director | $28M 2,127,105 shares | -427% | |
| 48Moderate | BSMbuy Black Stone Minerals, L.P. | D Mark DeWalch director | $985k 72,726 shares | +13% | |
| 36Weak | BSMbuy Black Stone Minerals, L.P. | D Mark DeWalch director | $497k 37,650 shares | +10% | |
| 20Weak | BSMbuy Black Stone Minerals, L.P. | Thomas L Carter Jr Executive Chairman | $15k 1,120 shares | +0% | |
| 34Weak | Black Stone Minerals, L.P. | Ashley J Longmaid director | $150k 11,128 shares | -7% | |
| 19Weak | Black Stone Minerals, L.P. | Luke Stevens Putman SVP, General Counsel, and Sec | $404k 29,386 shares | -4% | |
| 12Weak | Black Stone Minerals, L.P. | Luke Stevens Putman SVP, General Counsel, and Sec | $462k 30,276 shares | -4% | |
| 11Weak | Black Stone Minerals, L.P. | Luke Stevens Putman SVP, General Counsel, and Sec | $425k 29,386 shares | -4% | |
| 31Weak | BSMsell Black Stone Minerals, L.P. | Luke Stevens Putman SVP, General Counsel, and Sec | $425k 29,386 shares | -4% | |
| 12Weak | Black Stone Minerals, L.P. | Luke Stevens Putman SVP, General Counsel, and Sec | $462k 30,276 shares | -4% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.