Insider · CIK 0001641799
Mark Robert Tobin
Files at LTBR (LIGHTBRIDGE Corp). First filing Nov 22, 2024, latest Aug 12, 2026.
In brief
Mark Robert Tobin files SEC Form 4 as director at LTBR (LIGHTBRIDGE Corp). Since Nov 22, 2024, Mark Robert Tobin has reported 0 open-market buys worth $0 and 4 open-market sells worth $250k, the latest filed on Aug 12, 2026.
A track record needs three past buys with six months of prices behind them; Mark Robert Tobin has 0, so none is measured yet.
The newest scored trade: sold $135k of LTBR on Aug 11, 2026, filed Aug 12, 2026, scored 31 (weak). In the last 12 months: 0 buys worth $0 and 1 sell worth $135k.
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 |
|---|---|---|---|---|---|
| 31Weak | LTBRsell LIGHTBRIDGE Corp | $135k 15,000 shares | -18% | +26% from low-67% from high | |
| 9Weak | LIGHTBRIDGE Corp | $43k 3,000 shares | -5% | +541% from low-12% from high | |
| 16Weak | LIGHTBRIDGE Corp | $46k 3,000 shares | -6% | +502% from low-15% from high | |
| 25Weak | LTBRsell LIGHTBRIDGE Corp | $26k 4,000 shares | -18% | - |
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 |
|---|---|---|---|---|---|
| Aug 11, 2026 | LTBR LIGHTBRIDGE Corp | 15,000 0.05% of outstanding | $135k | Aug 11, 2026 | none |
Transactions
Every row this insider has filed, 14 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 11, 2026 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock | -15,000 | $8.99 | $135k | 66,669 | Aug 12, 2026 |
| Aug 6, 2026 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +10,000 | $0.00 | $0 | 81,669 | Aug 7, 2026 |
| Jan 2, 2026 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +10,631 | $0.00 | $0 | 71,669 | Jan 5, 2026 |
| Sep 2, 2025 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -3,000 | $14.21 | $43k | 61,038 | Sep 3, 2025 |
| Aug 28, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +5,000 | $0.00 | $0 | 49,038 | Aug 29, 2025 |
| Aug 28, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +5,000 | $0.00 | $0 | 54,038 | Aug 29, 2025 |
| Aug 28, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +5,000 | $0.00 | $0 | 59,038 | Aug 29, 2025 |
| Aug 28, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +3,000 | $0.00 | $0 | 62,038 | Aug 29, 2025 |
| Aug 28, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +2,000 | $0.00 | $0 | 64,038 | Aug 29, 2025 |
| Jun 2, 2025 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock10b5-1 | -3,000 | $15.42 | $46k | 44,038 | Jun 4, 2025 |
| Mar 12, 2025 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +11,588 | $0.00 | $0 | 47,038 | Mar 14, 2025 |
| Dec 4, 2024 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +17,183 | $0.00 | $0 | 35,450 | Dec 6, 2024 |
| Nov 20, 2024 | LTBR LIGHTBRIDGE Corp | SOpen-market sale Common Stock | -4,000 | $6.47 | $26k | 18,267 | Nov 22, 2024 |
| Nov 20, 2023 | LTBR LIGHTBRIDGE Corp | AGrant or award Common Stock | +10,076 | $0.00 | $0 | 22,267 | Nov 22, 2023 |
Questions about Mark Robert Tobin
Answered from the filings on this page, as of the latest one.
Is Mark Robert Tobin buying or selling?
In the last 12 months Mark Robert Tobin reported 0 open-market buys worth $0 and 1 open-market sell worth $135k on SEC Form 4; the latest was sold $135k of LTBR on Aug 11, 2026. Grants, option exercises and tax withholding are not counted.
How did Mark Robert Tobin's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mark Robert Tobin has 0.
Where does Mark Robert Tobin file Form 4?
Mark Robert Tobin 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.