Butterfly Network BFLY Insider Ownership

NYSE BFLY
$7.14 -0.32 (-4.29%)
As of: Sep 10, 2026 · 2:44 PM EDT

Insider Holdings by Owner

48.59Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
0.851%
▲+0.696% pp QoQ
Shares Held by Insiders
2.15Mn
filed for Sep 2026
▲+448.87% QoQ
Shares Outstanding
252.09Mn
252,087,541 shares
Direct Holdings
1.85Mn
Indirect: 300.46K
Net Shares Traded (QoQ)
+1.75Mn
net buying in Sep 2026
Insiders Holding Shares
27
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter —
Net over range —
Buying quarters —

Insider Ownership Summary

Quarter ending 30 Sep, 2026

As of September 09, 2026, the three largest insider holders of BFLY are Jonathan M Rothberg (Director, 18.56Mn shares), Joseph Devivo (President Ceo, 7.35Mn shares), Jonathan M Rothberg (Director, 6.20Mn shares).

Form 4 Holdings

Insiders Holding BFLY

Insiders 27
Shares held 48.59Mn
Of outstanding 19.27%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Jonathan M Rothberg Director, TenPercentOwner 105,881 18,561,834 18,667,715 38.4% 16 Jul, 2026
2 Joseph Devivo President Ceo 7,353,700 0 7,353,700 15.1% 25 Aug, 2026
3 Larry Robbins Director 0 2,964,187 2,964,187 6.1% 17 Aug, 2026
4 Heather C Getz Evp, Cfo Coo 2,919,274 0 2,919,274 6.0% 07 May, 2025
5 Todd Fruchterman President And Ceo 2,562,416 0 2,562,416 5.3% 24 Mar, 2022
6 Steve Cashman Chief Business Officer 1,630,407 0 1,630,407 3.4% 09 Jun, 2026
7 Andrei G Stoica Chief Technology Officer 1,600,182 0 1,600,182 3.3% 03 Apr, 2025
8 Brent Pfeiffenberger President And Ceo 1,470,704 0 1,470,704 3.0% 11 Mar, 2024
9 John N. Doherty Evp, Cfo 1,454,412 0 1,454,412 3.0% 08 Jul, 2026
10 Lawrence T Weiss Clo, Gc And Corp Sec 1,236,838 0 1,236,838 2.5% 06 Jul, 2023
11 Darius Shahida Chief Strategy/Bus Dev Officer 1,083,784 0 1,083,784 2.2% 19 Dec, 2022
12 Victor Ku Chief Technology Officer 1,015,099 0 1,015,099 2.1% 21 Jul, 2026
13 Stacey Pugh Chief Commercial Officer 808,557 0 808,557 1.7% 24 Mar, 2022
14 Mary Miller General Counsel Corp Sec 522,580 0 522,580 1.1% 24 Mar, 2022
15 Megan Carlson Cao And Svp, Finance 425,889 0 425,889 0.9% 04 Aug, 2026
16 Erica Schwartz Director 401,699 0 401,699 0.8% 22 Jun, 2026
17 Elazer R Edelman Director 392,893 0 392,893 0.8% 22 Jun, 2026
18 Tamara Dillon Chief People Officer 327,868 0 327,868 0.7% 01 Jun, 2022
19 Nicholas Caezza Deputy General Counsel 305,166 0 305,166 0.6% 04 Sep, 2026
20 S. Louise Phanstiel Director 0 300,461 300,461 0.6% 17 Aug, 2026
21 John David Martin Chief Medical Officer 286,516 0 286,516 0.6% 13 Feb, 2023
22 Dawn Carfora Director 265,505 0 265,505 0.5% 05 Nov, 2025
23 Troy Quander Svp, Regulatory And Quality 172,993 0 172,993 0.4% 14 Dec, 2022
24 Gianluca Pettiti Director 145,191 0 145,191 0.3% 22 Jun, 2023
25 Stephanie Fielding Chief Financial Officer 113,079 0 113,079 0.2% 21 Mar, 2022
26 Caroll H Neubauer Director 98,617 0 98,617 0.2% 22 Jun, 2026
27 John H Hammergren Director 61,388 0 61,388 0.1% 22 Jun, 2022

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

718 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
02 Sep, 2026 Nicholas Caezza Deputy General Counsel Disposed S 1,709 $8.15 $13.93K 305,166 Direct
24 Aug, 2026 Joseph Devivo President Ceo Disposed G 250,000 $0.00 $0 7,353,700 Direct
14 Aug, 2026 S. Louise Phanstiel Director Acquired P 115,200 $8.68 $999.51K 300,461 Indirect
13 Aug, 2026 Larry Robbins Director Disposed S 215,233 $9.54 $2.05Mn 12,243,530 Indirect
13 Aug, 2026 Larry Robbins Director Disposed S 500,000 $9.24 $4.62Mn 11,743,530 Indirect
13 Aug, 2026 Larry Robbins Director Disposed S 175,300 $8.86 $1.55Mn 4,371,387 Indirect
14 Aug, 2026 Larry Robbins Director Disposed S 824,700 $8.70 $7.17Mn 3,546,687 Indirect
17 Aug, 2026 Larry Robbins Director Disposed S 582,500 $8.97 $5.23Mn 2,964,187 Indirect
11 Aug, 2026 Nicholas Caezza Deputy General Counsel Disposed S 10,000 $9.75 $97.50K 300,307 Direct
10 Aug, 2026 Joseph Devivo President Ceo Disposed S 68,346 $10.01 $684.08K 7,603,700 Direct
31 Jul, 2026 Megan Carlson Cao And Svp, Finance Disposed S 68,852 $7.86 $541.38K 425,889 Direct
31 Jul, 2026 Larry Robbins Director Disposed S 1,720,129 $7.39 $12.72Mn 12,614,926 Indirect
03 Aug, 2026 Larry Robbins Director Disposed S 156,163 $8.10 $1.27Mn 12,458,763 Indirect
22 Jul, 2026 Jonathan M Rothberg Director Disposed S 54,143 $6.47 $350.29K 0 Indirect
22 Jul, 2026 Jonathan M Rothberg Director Disposed S 72,724 $6.47 $470.51K 0 Indirect
22 Jul, 2026 Jonathan M Rothberg Director Disposed S 496,680 $6.47 $3.21Mn 0 Indirect
22 Jul, 2026 Jonathan M Rothberg Director Disposed S 36,366 $6.47 $235.28K 0 Indirect
17 Jul, 2026 Jonathan M Rothberg Director, TenPercentOwner Disposed S 1,195,857 $6.60 $7.89Mn 54,143 Indirect
20 Jul, 2026 Joseph Devivo President Ceo Disposed S 211,798 $6.56 $1.39Mn 7,672,046 Direct
20 Jul, 2026 Victor Ku Chief Technology Officer Disposed S 48,540 $6.56 $318.42K 1,015,099 Direct