Butterfly Network, Inc. (BFLYW) Insider Ownership

Historic Insider Ownership Trends

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Jonathan M Rothberg - 0 18,561,834 23 Mar, 2022
Larry Robbins - 0 14,335,055 15 Dec, 2025
Joseph Devivo President Ceo 8,030,899 0 06 Mar, 2026
Jonathan M Rothberg - 0 6,202,545 23 Mar, 2022
Heather C Getz Evp, Cfo Coo 2,919,274 0 07 May, 2025
Jonathan M Rothberg - 2,880,252 0 17 Jun, 2025
Steve Cashman Chief Business Officer 2,377,386 0 04 Mar, 2026
Andrei G Stoica Chief Technology Officer 1,600,182 0 03 Apr, 2025
Todd Fruchterman President And Ceo 1,531,208 0 24 Mar, 2022
John N. Doherty Evp, Cfo 1,509,641 0 04 Mar, 2026
Brent Pfeiffenberger President And Ceo 1,470,704 0 11 Mar, 2024
Lawrence T Weiss Clo, Gc And Corp Sec 1,236,838 0 06 Jul, 2023
Victor Ku Chief Technology Officer 1,099,288 0 04 Mar, 2026
Todd Fruchterman President And Ceo 1,031,208 0 04 Feb, 2022
Darius Shahida Chief Strategy/Bus Dev Officer 629,908 0 19 Dec, 2022
Megan Carlson Cao And Svp, Finance 617,631 0 04 Mar, 2026
Stacey Pugh Chief Commercial Officer 570,945 0 24 Mar, 2022
Darius Shahida Strategy And Business Develop. 453,876 0 22 Dec, 2021
Mary Miller General Counsel Corp Sec 383,512 0 24 Mar, 2022
Erica Schwartz - 376,252 0 17 Jun, 2025
Elazer R Edelman - 367,446 0 17 Jun, 2025
Larry Robbins - 365,505 0 17 Jun, 2025
S. Louise Phanstiel - 365,505 0 17 Jun, 2025
Tamara Dillon Chief People Officer 327,868 0 01 Jun, 2022
Nicholas Caezza Deputy General Counsel 312,040 0 04 Mar, 2026
John David Martin Chief Medical Officer 286,516 0 13 Feb, 2023
Dawn Carfora - 265,505 0 05 Nov, 2025
Stacey Pugh Chief Commercial Officer 237,612 0 17 Feb, 2022
S. Louise Phanstiel - 0 185,261 17 Dec, 2025
Troy Quander Svp, Regulatory And Quality 172,993 0 14 Dec, 2022
Gianluca Pettiti - 145,191 0 22 Jun, 2023
Mary Miller General Counsel Corp Sec 139,068 0 17 Feb, 2022
Stephanie Fielding Chief Financial Officer 113,079 0 21 Mar, 2022
John H Hammergren - 61,388 0 22 Jun, 2022

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
05 Mar, 2026 Joseph Devivo Class A Common Stock D 482,149 $3.71 8,030,899 D S
02 Mar, 2026 John N. Doherty Class A Common Stock A 274,953 $0.00 1,509,641 D A
02 Mar, 2026 Victor Ku Class A Common Stock A 287,326 $0.00 1,099,288 D A
02 Mar, 2026 Megan Carlson Class A Common Stock A 97,883 $0.00 659,609 D A
02 Mar, 2026 Steve Cashman Class A Common Stock A 488,042 $0.00 2,419,926 D A
02 Mar, 2026 Nicholas Caezza Class A Common Stock A 89,359 $0.00 326,249 D A
02 Mar, 2026 Joseph Devivo Class A Common Stock A 1,424,534 $0.00 8,674,323 D A
03 Mar, 2026 Steve Cashman Class A Common Stock D 42,540 $3.71 2,377,386 D S
03 Mar, 2026 Joseph Devivo Class A Common Stock D 161,275 $3.71 8,513,048 D S
03 Mar, 2026 Nicholas Caezza Class A Common Stock D 14,209 $3.71 312,040 D S
03 Mar, 2026 Megan Carlson Class A Common Stock D 41,978 $3.71 617,631 D S
26 Feb, 2026 Steve Cashman Class A Common Stock D 250,000 $4.35 1,931,884 D S
07 Jan, 2026 John N. Doherty Class A Common Stock D 60,182 $3.98 1,234,688 D S
06 Jan, 2026 Jonathan M Rothberg Class A Common Stock D 351,617 $4.03 788,563 I S
07 Jan, 2026 Jonathan M Rothberg Class A Common Stock D 452,729 $4.14 335,834 I S
08 Jan, 2026 Jonathan M Rothberg Class A Common Stock D 335,834 $4.18 0 I S
05 Jan, 2026 Victor Ku Class A Common Stock D 35,968 $3.82 811,962 D S
23 Dec, 2025 Jonathan M Rothberg Class A Common Stock D 44,781 $4.01 1,157,764 I S
24 Dec, 2025 Jonathan M Rothberg Class A Common Stock D 2,673 $4.00 1,155,091 I S
26 Dec, 2025 Jonathan M Rothberg Class A Common Stock D 14,911 $4.01 1,140,180 I S