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sellModerate cluster of 6

Victor Ku sold $318k of BFLY

Chief Technology Officer at Butterfly Network, Inc.. 48,540 shares at an average of $6.56, traded Jul 20, 2026, filed Jul 21, 2026.

Warning score
44
Value
$318k
48,540 shares
Holdings after
1,015,099
-5% from before
From 52-week low
+403%
low $1.33, close $6.69
From 52-week high
-25%
high $8.91, as of Jul 20, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $318k at market
    +14
  • Share of holdings sold
    Sold 4.6% of holdings
    0
  • Cluster
    6 insiders selling within 14 days
    +15

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.

BFLYOct 9, 2026 · close 8.25
Since filing Jul 21, 2026: +21.0%SPY +4.2% · excess +16.7%

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 0002064832-26-000262, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 20, 2026SOpen-market sale
Class A Common Stock
-48,540$6.56$318k1,015,099Jul 21, 2026

Related signals

Other insiders at Butterfly Network, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
28Weak
BFLYsell 210b5-1
Butterfly Network, Inc.
Joseph Devivo
President & CEO
$359k
35,790 shares
-0%
32Weak
BFLYsell 2
Butterfly Network, Inc.
Megan Carlson
CAO and SVP, Finance
$88k
10,114 shares
-2%
20Weak
BFLYsell 210b5-1
Butterfly Network, Inc.
Joseph Devivo
President & CEO
$60k
5,980 shares
-0%
40Moderate
BFLYsell 3
Butterfly Network, Inc.
Megan Carlson
CAO and SVP, Finance
$101k
13,804 shares
-3%
55Moderate
BFLYsell 3
Butterfly Network, Inc.
Steve Cashman
Chief Business Officer
$1.0M
140,112 shares
-9%
30Weak
BFLYsell 3
Butterfly Network, Inc.
Nicholas Caezza
Deputy General Counsel
$14k
1,709 shares
-1%
60Notable
BFLYsell 4
Butterfly Network, Inc.
Larry Robbins
director
$21M
2,297,733 shares
-18%
50Moderate
BFLYbuy
Butterfly Network, Inc.
S. Louise Phanstiel
director
$1000k
115,200 shares
+62%
41Moderate
BFLYsell 410b5-1
Butterfly Network, Inc.
Joseph Devivo
President & CEO
$684k
68,346 shares
-1%
40Moderate
BFLYsell 4
Butterfly Network, Inc.
Nicholas Caezza
Deputy General Counsel
$98k
10,000 shares
-3%

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.

Victor Ku sold $318k of BFLY | InsiderTell