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Insider · CIK 0001319960

Thomas L Carter Jr

ceopresidentchairofficerdirector

Files at BSM (Black Stone Minerals, L.P.). First filing May 21, 2025, latest May 14, 2026.

In brief

Thomas L Carter Jr files SEC Form 4 as CEO, president, chair and director at BSM (Black Stone Minerals, L.P.). Since May 21, 2025, Thomas L Carter Jr has reported 8 open-market buys worth $3.1M and 0 open-market sells worth $0, the latest filed on May 14, 2026.

A track record needs three past buys with six months of prices behind them; Thomas L Carter Jr has 0, so none is measured yet.

The newest scored trade: bought $15k of BSM on May 13, 2026, filed May 14, 2026, scored 20 (weak). In the last 12 months: 2 buys worth $924k and 0 sells worth $0.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
8 / 0
$3.1M bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

BSM: Black Stone Minerals, L.P.

BSMOct 9, 2026 · close 14.81

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
20Weak
BSMbuy
Black Stone Minerals, L.P.
$15k
1,120 shares
+0%+23% from low-10% from high
44Moderate
BSMbuy
Black Stone Minerals, L.P.
$909k
67,758 shares
+2%+21% from low-12% from high
37Weak
BSMbuy
Black Stone Minerals, L.P.
$192k
15,300 shares
+0%-
39Weak
BSMbuy
Black Stone Minerals, L.P.
$307k
25,370 shares
+1%-
48Moderate
BSMbuy
Black Stone Minerals, L.P.
$492k
41,000 shares
+1%-
35Weak
BSMbuy
Black Stone Minerals, L.P.
$114k
9,200 shares
+0%-
53Moderate
BSMbuy
Black Stone Minerals, L.P.
$879k
72,210 shares
+2%-
32Weak
BSMbuy
Black Stone Minerals, L.P.
$196k
14,500 shares
+0%-

Transactions

Every row this insider has filed, 24 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
May 13, 2026BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+1,120$13.50$15k3,682,724May 14, 2026
May 8, 2026BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+23,604$13.32$314k3,637,450May 12, 2026
May 11, 2026BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+25,000$13.47$337k3,662,450May 12, 2026
May 12, 2026BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+19,154$13.48$258k3,681,604May 12, 2026
Feb 24, 2026BSM
Black Stone Minerals, L.P.
AGrant or award
Common units representing limited partner interests
+136,315$0.00$03,667,487Feb 26, 2026
Feb 24, 2026BSM
Black Stone Minerals, L.P.
FTax withholding
Common units representing limited partner interests
-53,641$15.23$817k3,613,846Feb 26, 2026
Feb 4, 2026BSM
Black Stone Minerals, L.P.
AGrant or award
Common units representing limited partner interests
+53,404$0.00$03,531,172Feb 6, 2026
Jan 7, 2026BSM
Black Stone Minerals, L.P.
FTax withholding
Common units representing limited partner interests
-34,933$13.38$467k3,477,768Jan 9, 2026
Sep 11, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+1,300$12.39$16k3,498,701Sep 12, 2025
Sep 12, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+14,000$12.59$176k3,512,701Sep 12, 2025
Sep 8, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+13,527$11.90$161k3,485,558Sep 10, 2025
Sep 9, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+1,307$12.07$16k3,486,865Sep 10, 2025
Sep 10, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+10,536$12.32$130k3,497,401Sep 10, 2025
Aug 19, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+20,000$11.97$239k3,451,031Aug 20, 2025
Aug 20, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+21,000$12.03$253k3,472,031Aug 20, 2025
Aug 12, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+9,200$12.36$114k3,431,031Aug 14, 2025
Aug 7, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+19,710$12.24$241k3,369,331Aug 11, 2025
Aug 8, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+27,500$12.20$336k3,396,831Aug 11, 2025
Aug 11, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+25,000$12.10$303k3,421,831Aug 11, 2025
May 21, 2025BSM
Black Stone Minerals, L.P.
POpen-market purchase
Common units representing limited partner interests
+14,500$13.52$196k3,349,621May 21, 2025
Feb 25, 2025BSM
Black Stone Minerals, L.P.
AGrant or award
Common units representing limited partner interests
+190,073$0.00$03,409,916Feb 27, 2025
Feb 25, 2025BSM
Black Stone Minerals, L.P.
FTax withholding
Common units representing limited partner interests
-74,795$15.11$1.1M3,335,121Feb 27, 2025
Feb 14, 2025BSM
Black Stone Minerals, L.P.
AGrant or award
Common units representing limited partner interests
+124,496$0.00$03,219,843Feb 19, 2025
Jan 7, 2025BSM
Black Stone Minerals, L.P.
FTax withholding
Common units representing limited partner interests
-37,781$14.49$547k3,095,347Jan 8, 2025

Questions about Thomas L Carter Jr

Answered from the filings on this page, as of the latest one.

Is Thomas L Carter Jr buying or selling?

In the last 12 months Thomas L Carter Jr reported 2 open-market buys worth $924k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $15k of BSM on May 13, 2026. Grants, option exercises and tax withholding are not counted.

How did Thomas L Carter Jr's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Thomas L Carter Jr has 0.

Where does Thomas L Carter Jr file Form 4?

Thomas L Carter Jr has filed Form 4 at BSM (Black Stone Minerals, L.P.) as Executive Chairman. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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.

Thomas L Carter Jr: insider trades and track record | InsiderTell