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sellWeak10b5-1 plan

John Sheldon Serafini sold $1.4M of HAWK

President and CEO at HawkEye 360, Inc.. 92,329 shares at an average of $14.78, traded Oct 1, 2026, filed Oct 2, 2026.

Warning score
20
Value
$1.4M
92,329 shares
Holdings after
554,972
-14% from before
From 52-week low
0%
low $14.73, close $14.73
From 52-week high
-57%
high $34.66, as of Oct 1, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $1.4M at market
    +25
  • Share of holdings sold
    Sold 14% of holdings
    +5
  • Cluster
    No other insider selling within 14 days
    0
  • 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.

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.

HAWKOct 12, 2026 · close 13.45
Since filing Oct 2, 2026: -9.2%SPY +1.1% · excess -10.3%

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 0002127288-26-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026MOption exercise
Common Stock10b5-1
+92,329$0.23$21k647,30112 d ago
Oct 1, 2026SOpen-market sale
Common Stock10b5-1
-92,329$14.78$1.4M554,97212 d ago
Oct 1, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-92,329$0.23$21k140,94312 d ago

Related signals

Other insiders at HawkEye 360, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
32Weak
HAWKsell 310b5-1
HawkEye 360, Inc.
Michael S. Turner
Chief Legal Officer
$431k
26,506 shares
-13%
48Moderate
HAWKsell 3
HawkEye 360, Inc.
Craig Chih-Meng Searle
Chief Financial Officer
$150k
9,228 shares
-4%
47Moderate
HAWKsell 3
HawkEye 360, Inc.
Arthur L Money
director
$821k
50,000 shares
-48%
47Moderate
HAWKbuy
HawkEye 360, Inc.
Francis Alphonse Finelli
director
$390k
15,000 shares
+43%
47Moderate
HAWKbuy
HawkEye 360, Inc.
Francis Alphonse Finelli
director
$380k
14,615 shares
+42%

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 Sheldon Serafini sold $1.4M of HAWK | InsiderTell