Skip to content
sellWeak cluster of 210b5-1 plan

John D Longley Jr sold $945k of OMEX

President & COO at ODYSSEY MARINE EXPLORATION INC. 256,049 shares at an average of $3.69, traded Oct 13, 2025, filed Oct 15, 2025.

Warning score
37
Value
$945k
256,049 shares
Holdings after
150,313
-97% from before
From 52-week low
+1075%
low $0.30, close $3.49
From 52-week high
0%
high $3.49, as of Oct 13, 2025

Score components

  • Role
    President
    +20
  • Trade size
    $945k at market
    +24
  • Share of holdings sold
    Sold 97% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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 -48.0%, 3m -41.0%, 6m -70.2%.

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.

OMEXOct 12, 2026 · close 0.64
Since filing Oct 15, 2025: -82.8%SPY +18.2% · excess -101.0%

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 0001193125-25-240389, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 13, 2025MOption exercise
Common Stock10b5-1
+6,500$0.41$2,692262,862Oct 15, 2025
Oct 13, 2025SOpen-market sale
Common Stock10b5-1
-38,977$3.50$136k223,885Oct 15, 2025
Oct 14, 2025SOpen-market sale
Common Stock10b5-1
-73,572$3.75$276k150,313Oct 15, 2025
Oct 14, 2025MOption exercise
Common Stock10b5-1
+143,500$0.41$59k293,813Oct 15, 2025
Oct 14, 2025SOpen-market sale
Common Stock10b5-1
-143,500$3.71$533k150,313Oct 15, 2025
Oct 13, 2025MOption exercise
Stock Option(Right to Buy)derivative10b5-1
-6,500$0.00$0143,500Oct 15, 2025
Oct 14, 2025MOption exercise
Stock Option(Right to Buy)derivative10b5-1
-143,500$0.00$00Oct 15, 2025

Related signals

Other insiders at ODYSSEY MARINE EXPLORATION INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
33Weak
OMEXsell 210b5-1
ODYSSEY MARINE EXPLORATION INC
Mark Gordon
Chief Executive Officer
$328k
90,000 shares
-16%
32Weak
OMEXsell 210b5-1
ODYSSEY MARINE EXPLORATION INC
Mark Gordon
Chief Executive Officer
$305k
80,956 shares
-12%
47Moderate
OMEXsell
ODYSSEY MARINE EXPLORATION INC
Gallardo Juan Antonio Carlos Cortina
owner
$1.7M
979,100 shares
-33%
28Weak
OMEXbuy
ODYSSEY MARINE EXPLORATION INC
Mark B Justh
director
$32k
50,000 shares
+10%
36Weak
OMEXbuy
ODYSSEY MARINE EXPLORATION INC
Mark B Justh
director
$138k
250,000 shares
+100%

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.

John D Longley Jr sold $945k of OMEX | InsiderTell