BFLY · Butterfly Network, Inc. · Proposed Sales
$8.94
-0.02 (-0.22%)
At close · Oct 1
View the 10-Q filed Jul 30, 2026
Return incl. dividend (before tax)
Customer concentration
— top customer 10% of revenue
One customer — 10% of revenue (the three and six months ended June 30, 2026)
“For the three and six months ended June 30, 2026, one customer accounted for more than 10% of the Company’s total revenue.”
Market Cap
$2.42B
Shares
266.29M
Volume · Sep 30
4.56M
Avg daily vol (3M)
6.46M
Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.
| Filed | Seller | Relationship | Shares | Approx. Sale | Broker |
|---|---|---|---|---|---|
| 2026-09-23 | Schwartz Erica | Former Director | 323,020 | 2026-09-23 | Fidelity Brokerage Services LLC |
| 2026-09-23 | DEVIVO JOSEPH | Officer, Director | 3,169 | 2026-09-23 | Fidelity Brokerage Services LLC |
| 2026-09-22 | DEVIVO JOSEPH | Officer, Director | 2,811 | 2026-09-22 | Fidelity Brokerage Services LLC |
| 2026-09-22 | Schwartz Erica | Former Director | 78,679 | 2026-09-22 | Fidelity Brokerage Services LLC |
| 2026-09-04 | Cashman Steve | Officer | 140,112 | 2026-09-04 | Fidelity Brokerage Services LLC |
| 2026-09-04 | Carlson Megan | Officer | 13,804 | 2026-09-04 | Fidelity Brokerage Services LLC |
| 2026-09-02 | Caezza Nicholas | Officer | 1,709 | 2026-09-02 | Fidelity Brokerage Services LLC |
| 2026-08-11 | Caezza Nicholas | Officer | 10,000 | 2026-08-11 | Fidelity Brokerage Services LLC |
| 2026-08-10 | DEVIVO JOSEPH | Officer, Director | 68,346 | 2026-08-10 | Fidelity Brokerage Services LLC |
| 2026-08-10 | Carfora Dawn | Officer | 8,770 | 2026-08-10 | Merrill Lynch |
| 2026-07-31 | ROBBINS LARRY | Director | 1,876,292 | 2026-07-31 | Cantor Fitzgerald & Co. |
| 2026-07-31 | Carlson Megan | Officer | 68,852 | 2026-07-31 | Fidelity Brokerage Services LLC |
| 2026-07-22 | ROTHBERG JONATHAN M | Director | 659,913 | 2026-07-22 | Jefferies |
| 2026-07-21 | ROTHBERG JONATHAN M | Director | 753,320 | 2026-07-21 | Jefferies |
| 2026-07-20 | DEVIVO JOSEPH | Officer, Director | 211,798 | 2026-07-20 | Fidelity Brokerage Services LLC |
| 2026-07-20 | Doherty John N. | Officer | 57,135 | 2026-07-20 | Fidelity Brokerage Services LLC |
| 2026-07-20 | Doherty John N. | Officer | 1 | 2026-07-20 | Fidelity Brokerage Services LLC |
| 2026-07-20 | Ku Victor | Officer | 48,540 | 2026-07-20 | Fidelity Brokerage Services LLC |
| 2026-07-20 | ROTHBERG JONATHAN M | Director | 1,177,276 | 2026-07-20 | Jefferies LLC |
| 2026-07-17 | ROTHBERG JONATHAN M | Director | 1,195,857 | 2026-07-17 | Jefferies LLC |
| 2026-07-16 | ROTHBERG JONATHAN M | Director | 1,467,501 | 2026-07-16 | Jefferies LLC |
| 2026-07-15 | ROTHBERG JONATHAN M | Director | 1,730,319 | 2026-07-15 | Jefferies LLC |
| 2026-07-14 | ROTHBERG JONATHAN M | Director | 815,632 | 2026-07-14 | Jefferies |
| 2026-07-07 | Doherty John N. | Officer | 55,229 | 2026-07-07 | Fidelity Brokerage Services LLC |
| 2026-07-07 | Ku Victor | Officer | 35,649 | 2026-07-07 | Fidelity Brokerage Services LLC |
| 2026-07-07 | DEVIVO JOSEPH | Officer, Director | 204,725 | 2026-07-07 | Fidelity Brokerage Services LLC |
| 2026-07-02 | Carlson Megan | Officer | 41,303 | 2026-07-02 | Fidelity Brokerage Services LLC |
| 2026-06-29 | Carfora Dawn | Officer | 176,301 | 2026-06-29 | Merrill Lynch |
| 2026-06-22 | Carfora Dawn | Director | 80,434 | 2026-06-22 | Fidelity Brokerage Services LLC |
| 2026-06-08 | Cashman Steve | Officer | 184,680 | 2026-06-08 | Fidelity Brokerage Services LLC |
| 2026-06-08 | Cashman Steve | Officer | 110,000 | 2026-06-08 | Wells Fargo Clearing Services |
| 2026-06-05 | Cashman Steve | Officer | 104,781 | 2026-06-05 | Fidelity Brokerage Services LLC |
| 2026-06-02 | Caezza Nicholas | Officer | 1,733 | 2026-06-02 | Fidelity Brokerage Services LLC |
| 2026-05-01 | Carlson Megan | Officer | 110,422 | 2026-05-01 | Fidelity Brokerage Services LLC |
| 2026-04-29 | Cashman Steve | Officer | 147,518 | 2026-04-29 | Fidelity Brokerage Services LLC |
| 2026-04-16 | Cashman Steve | Officer | 200,000 | 2026-04-16 | Fidelity Brokerage Services LLC |
| 2026-03-05 | DEVIVO JOSEPH | Officer, Director | 482,149 | 2026-03-05 | Fidelity Brokerage Services LLC |
| 2026-03-03 | Cashman Steve | Officer | 42,540 | 2026-03-03 | Fidelity Brokerage Services LLC |
| 2026-03-03 | Carlson Megan | Officer | 41,978 | 2026-03-03 | Fidelity Brokerage Services LLC |
| 2026-03-03 | Caezza Nicholas | Officer | 14,209 | 2026-03-03 | Fidelity Brokerage Services LLC |
| 2026-03-03 | DEVIVO JOSEPH | Officer, Director | 161,275 | 2026-03-03 | Fidelity Brokerage Services LLC |
| 2026-02-26 | Cashman Steve | Officer | 250,000 | 2026-02-26 | Fidelity Brokerage Services LLC |
| 2026-01-08 | ROTHBERG JONATHAN M | Director | 335,834 | 2026-01-08 | Jefferies |
| 2026-01-07 | ROTHBERG JONATHAN M | Director | 452,729 | 2026-01-07 | Jefferies |
| 2026-01-07 | Doherty John N. | Officer | 60,182 | 2026-01-07 | Fidelity Brokerage Services LLC |
| 2026-01-06 | ROTHBERG JONATHAN M | Director | 351,617 | 2026-01-06 | Jefferies LLC |
| 2026-01-05 | Ku Victor | Officer | 35,968 | 2026-01-05 | Fidelity Brokerage Services LLC |
| 2025-12-29 | ROTHBERG JONATHAN M | Director | 2,673 | 2025-12-24 | Jefferies LLC |
| 2025-12-29 | ROTHBERG JONATHAN M | Director | 14,911 | 2025-12-26 | Jefferies |
| 2025-12-23 | ROTHBERG JONATHAN M | Director | 44,781 | 2025-12-23 | Jefferies |
Showing 1–50 of 106 filings