Victor Ku sold $137k of BFLY
Chief Technology Officer at Butterfly Network, Inc.. 35,968 shares at an average of $3.82, traded Jan 5, 2026, filed Jan 7, 2026.
Score components
- +15RoleOfficer
- +11Trade size$137k at market
- 0Share of holdings soldSold 4.2% of holdings
- +15Cluster3 insiders selling within 14 days
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 -19.7%, 3m -1.7%, 6m +74.3%.
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.
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 0002064832-26-000002, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jan 5, 2026 | SOpen-market sale Class A Common Stock | -35,968 | $3.82 | $137k | 811,962 | Jan 7, 2026 |
Related signals
Other insiders at Butterfly Network, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| Pro nowfree Oct 15, 2026 | Butterfly Network, Inc. | Joseph Devivo President & CEO | $359k 35,790 shares | -0% | |
| 32Weak | Butterfly Network, Inc. | Megan Carlson CAO and SVP, Finance | $88k 10,114 shares | -2% | |
| 20Weak | Butterfly Network, Inc. | Joseph Devivo President & CEO | $60k 5,980 shares | -0% | |
| 40Moderate | Butterfly Network, Inc. | Megan Carlson CAO and SVP, Finance | $101k 13,804 shares | -3% | |
| 55Moderate | Butterfly Network, Inc. | Steve Cashman Chief Business Officer | $1.0M 140,112 shares | -9% | |
| 30Weak | Butterfly Network, Inc. | Nicholas Caezza Deputy General Counsel | $14k 1,709 shares | -1% | |
| 60Notable | 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 | Butterfly Network, Inc. | Joseph Devivo President & CEO | $684k 68,346 shares | -1% | |
| 40Moderate | 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.