Insider · CIK 0002028425
Jason Thomas Long
Files at LB (LandBridge Co LLC), WBI (WaterBridge Infrastructure LLC). First filing Jan 7, 2026, latest Jan 7, 2026.
Jason Thomas Long files SEC Form 4 as CEO and director at LB (LandBridge Co LLC), and also at WBI (WaterBridge Infrastructure LLC). Since Jan 7, 2026, Jason Thomas Long has reported 2 open-market buys worth $199k and 0 open-market sells worth $0, the latest filed on Jan 7, 2026.
A track record needs three past buys with six months of prices behind them; Jason Thomas Long has 0, so none is measured yet.
The newest scored trade: bought $100k of LB on Jan 5, 2026, filed Jan 7, 2026, scored 53 (moderate). In the last 12 months: 2 buys worth $199k and 0 sells worth $0.
Where the trades landed
Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.
LB: LandBridge Co LLC
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™
WBI: WaterBridge Infrastructure LLC
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.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 53Moderate | LandBridge Co LLC | $100k 2,143 shares | +1% | 0% from low-45% from high | |
| 64Notable | WaterBridge Infrastructure LLC | $99k 5,000 shares | +4% | +1% from low-27% from high |
Transactions
Every row this insider has filed, 5 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | WBI WaterBridge Infrastructure LLC | FTax withholding Class A Shares | -18,036 | $30.86 | $557k | 169,293 | 21 d ago |
| Jan 5, 2026 | LB LandBridge Co LLC | POpen-market purchase Class A shares | +2,143 | $46.59 | $100k | 223,546 | Jan 7, 2026 |
| Jan 5, 2026 | WBI WaterBridge Infrastructure LLC | POpen-market purchase Class A shares | +5,000 | $19.84 | $99k | 142,500 | Jan 7, 2026 |
| Sep 18, 2025 | WBI WaterBridge Infrastructure LLC | AGrant or award Class A Shares | +137,500 | $0.00 | $0 | 137,500 | Sep 22, 2025 |
| Jul 1, 2025 | LB LandBridge Co LLC | FTax withholding Class A shares | -33,424 | $66.38 | $2.2M | 221,403 | Jul 3, 2025 |
Questions about Jason Thomas Long
Answered from the filings on this page, as of the latest one.
Is Jason Thomas Long buying or selling?
In the last 12 months Jason Thomas Long reported 2 open-market buys worth $199k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $100k of LB on Jan 5, 2026. Grants, option exercises and tax withholding are not counted.
How did Jason Thomas Long's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Jason Thomas Long has 0.
Where does Jason Thomas Long file Form 4?
Jason Thomas Long has filed Form 4 at LB (LandBridge Co LLC) as See Remarks; WBI (WaterBridge Infrastructure LLC) as Chief Executive Officer. 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.