Insider · CIK 0001885308
Sweta Chakraborty
Files at LTBR (LIGHTBRIDGE Corp). First filing Aug 19, 2025, latest Sep 2, 2026.
In brief
Sweta Chakraborty files SEC Form 4 as director at LTBR (LIGHTBRIDGE Corp). Since Aug 19, 2025, Sweta Chakraborty has reported 0 open-market buys worth $0 and 11 open-market sells worth $569k, the latest filed on Sep 2, 2026.
A track record needs three past buys with six months of prices behind them; Sweta Chakraborty has 0, so none is measured yet.
The newest scored trade: sold $5,327 of LTBR on Sep 1, 2026, filed Sep 2, 2026, scored 0 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 6 sells worth $143k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
LTBR: LIGHTBRIDGE Corp
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 |
|---|---|---|---|---|---|
| 0Weak | LIGHTBRIDGE Corp | $5,327 717 shares | -1% | - | |
| 3Weak | LIGHTBRIDGE Corp | $11k 1,143 shares | -2% | +3% from low-68% from high | |
| 10Weak | LIGHTBRIDGE Corp | $20k 1,245 shares | -2% | +221% from low-41% from high | |
| 15Weak | LIGHTBRIDGE Corp | $25k 1,947 shares | -5% | +178% from low-49% from high | |
| 8Weak | LIGHTBRIDGE Corp | $30k 1,948 shares | -4% | +238% from low-45% from high | |
| 2Weak | LIGHTBRIDGE Corp | $52k 1,948 shares | -4% | +452% from low-11% from high | |
| 15Weak | LIGHTBRIDGE Corp | $29k 1,246 shares | -3% | +677% from low-0% from high | |
| 16Weak | LIGHTBRIDGE Corp | $41k 1,947 shares | -4% | +670% from low-10% from high | |
| 8Weak | LIGHTBRIDGE Corp | $28k 1,948 shares | -4% | +541% from low-12% from high | |
| 15Weak | LIGHTBRIDGE Corp | $27k 1,948 shares | -6% | +480% from low-20% from high | |
| 47Moderate | LIGHTBRIDGE Corp | $303k 20,000 shares | -38% | +585% from low-6% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jan 6, 2026 | LTBR LIGHTBRIDGE Corp | 1,245 0.00% of outstanding | $20k | Jan 6, 2026 | $141k |
| Dec 1, 2025 | LTBR LIGHTBRIDGE Corp | 3,895 0.01% of outstanding | $60k | Dec 1, 2025 | $149k |
| Aug 15, 2025 | LTBR LIGHTBRIDGE Corp | 31,528 0.12% of outstanding | $478k | Aug 15, 2025 | none |
Transactions
Every row this insider has filed, 21 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -717 | $7.43 | $5,327 | 57,132 | 42 d ago |
| Aug 6, 2026 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +10,000 | $0.00 | $0 | 57,849 | Aug 7, 2026 |
| Jul 1, 2026 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -1,143 | $9.29 | $11k | 47,849 | Jul 2, 2026 |
| Jan 6, 2026 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -1,245 | $15.68 | $20k | 48,992 | Jan 6, 2026 |
| Jan 2, 2026 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -1,947 | $12.88 | $25k | 39,606 | Jan 5, 2026 |
| Jan 2, 2026 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock10b5-1 | +10,631 | $0.00 | $0 | 50,237 | Jan 5, 2026 |
| Dec 1, 2025 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -1,948 | $15.47 | $30k | 41,553 | Dec 2, 2025 |
| Nov 3, 2025 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -1,948 | $26.73 | $52k | 43,501 | Nov 3, 2025 |
| Oct 8, 2025 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -1,246 | $22.89 | $29k | 45,449 | Oct 8, 2025 |
| Oct 1, 2025 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -1,947 | $20.85 | $41k | 46,695 | Oct 3, 2025 |
| Sep 2, 2025 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -1,948 | $14.22 | $28k | 48,642 | Sep 3, 2025 |
| Aug 28, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +5,000 | $0.00 | $0 | 35,590 | Aug 29, 2025 |
| Aug 28, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +5,000 | $0.00 | $0 | 40,590 | Aug 29, 2025 |
| Aug 28, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +5,000 | $0.00 | $0 | 45,590 | Aug 29, 2025 |
| Aug 28, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +3,000 | $0.00 | $0 | 48,590 | Aug 29, 2025 |
| Aug 28, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +2,000 | $0.00 | $0 | 50,590 | Aug 29, 2025 |
| Aug 20, 2025 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -1,948 | $13.79 | $27k | 30,590 | Aug 21, 2025 |
| Aug 15, 2025 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock | -20,000 | $15.15 | $303k | 32,538 | Aug 19, 2025 |
| Mar 12, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +11,588 | $0.00 | $0 | 52,538 | Mar 14, 2025 |
| Dec 4, 2024 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +17,183 | $0.00 | $0 | 40,950 | Dec 6, 2024 |
| Nov 20, 2023 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +10,076 | $0.00 | $0 | 23,767 | Nov 22, 2023 |
Questions about Sweta Chakraborty
Answered from the filings on this page, as of the latest one.
Is Sweta Chakraborty buying or selling?
In the last 12 months Sweta Chakraborty reported 0 open-market buys worth $0 and 6 open-market sells worth $143k on SEC Form 4; the latest was sold $5,327 of LTBR on Sep 1, 2026. Grants, option exercises and tax withholding are not counted.
How did Sweta Chakraborty's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Sweta Chakraborty has 0.
Where does Sweta Chakraborty file Form 4?
Sweta Chakraborty has filed Form 4 at LTBR (LIGHTBRIDGE Corp). 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.