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sellWeak cluster of 310b5-1 plan

Mark Robert Tobin sold $46k of LTBR

director at LIGHTBRIDGE Corp. 3,000 shares at an average of $15.42, traded Jun 2, 2025, filed Jun 4, 2025.

Warning score
16
Value
$46k
3,000 shares
Holdings after
44,038
-6% from before
From 52-week low
+502%
low $2.36, close $14.21
From 52-week high
-15%
high $16.72, as of Jun 2, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $46k at market
    +6
  • Share of holdings sold
    Sold 6.4% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

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 -18.2%, 3m -7.2%, 6m +3.9%.

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.

LTBROct 12, 2026 · close 5.73
Since filing Jun 4, 2025: -63.3%SPY +32.7% · excess -96.1%

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 0001477932-25-004406, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 2, 2025SOpen-market sale
Common Stock10b5-1
-3,000$15.42$46k44,038Jun 4, 2025

Related signals

Other insiders at LIGHTBRIDGE Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
0Weak
LTBRsell10b5-1
LIGHTBRIDGE Corp
Sherri Goodman
director
$7,020
1,116 shares
-2%
0Weak
LTBRsell10b5-1
LIGHTBRIDGE Corp
Sweta Chakraborty
director
$5,327
717 shares
-1%
31Weak
LTBRsell
LIGHTBRIDGE Corp
Mark Robert Tobin
director
$135k
15,000 shares
-18%
3Weak
LTBRsell 210b5-1
LIGHTBRIDGE Corp
Sweta Chakraborty
director
$11k
1,143 shares
-2%
3Weak
LTBRsell 210b5-1
LIGHTBRIDGE Corp
Sherri Goodman
director
$10k
1,116 shares
-2%
3Weak
LTBRsell 210b5-1
LIGHTBRIDGE Corp
Sherri Goodman
director
$11k
1,116 shares
-2%
13Weak
LTBRsell10b5-1
LIGHTBRIDGE Corp
Andrey Mushakov
EVP, Nuclear Operations
$502k
30,289 shares
-7%
28Weak
LTBRsell 310b5-1
LIGHTBRIDGE Corp
Larry Goldman
CFO
$160k
8,869 shares
-3%
10Weak
LTBRsell 310b5-1
LIGHTBRIDGE Corp
Jesse L. Funches
director
$25k
1,449 shares
-2%
10Weak
LTBRsell 310b5-1
LIGHTBRIDGE Corp
Sweta Chakraborty
director
$20k
1,245 shares
-2%

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.