Butterfly Network, Inc. (BFLY) Insider Trading
Over the last 3 months, BFLY insiders made 1 open-market buy and 28 sales, a net sale of -$91.9M (SEC Form 4). Over the last 6 months, 177 institutions increased and 119 reduced their position (13F).
Insider Activity
Sentiment
1/100
Buys (3m)
1
Sells (3m)
28
Net (3m)
-$91.9M
Insiders buyingFirst buy in 3 quarters
Insider trades by month Buys Sells
Mar
Apr
May
Jun
Jul
Aug
Context3-month price +70.5%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 17, 2026 | ROBBINS LARRYdirector | Sell | 582,500 | $8.97 |
| Aug 17, 2026 | Phanstiel S. Louisedirector | Buy | 115,200 | $8.68 |
| Aug 17, 2026 | ROBBINS LARRYdirector | Sell | 215,233 | $9.54 |
| Aug 17, 2026 | ROBBINS LARRYdirector | Sell | 500,000 | $9.24 |
| Aug 17, 2026 | ROBBINS LARRYdirector | Sell | 175,300 | $8.86 |
| Aug 17, 2026 | ROBBINS LARRYdirector | Sell | 824,700 | $8.70 |
| Aug 12, 2026 | Caezza Nicholasofficer: Deputy General Counsel | Sell | 10,000 | $9.75 |
| Aug 12, 2026 | DEVIVO JOSEPHdirector, officer: President & CEO | Sell | 68,346 | $10.01 |
| Aug 4, 2026 | Carlson Meganofficer: CAO and SVP, Finance | Sell | 68,852 | $7.86 |
| Aug 3, 2026 | ROBBINS LARRYdirector | Sell | 1,720,129 | $7.39 |
| Aug 3, 2026 | ROBBINS LARRYdirector | Sell | 156,163 | $8.10 |
| Jul 24, 2026 | ROTHBERG JONATHAN Mdirector | Sell | 36,366 | $6.47 |
| Jul 21, 2026 | DEVIVO JOSEPHdirector, officer: President & CEO | Sell | 211,798 | $6.56 |
| Jul 21, 2026 | ROTHBERG JONATHAN Mdirector, 10 percent owner: | Sell | 1,195,857 | $6.60 |
| Jul 21, 2026 | ROTHBERG JONATHAN Mdirector, 10 percent owner: | Sell | 1,177,276 | $6.61 |
| Jul 21, 2026 | ROTHBERG JONATHAN Mdirector, 10 percent owner: | Sell | 753,320 | $6.74 |
| Jul 21, 2026 | Ku Victorofficer: Chief Technology Officer | Sell | 48,540 | $6.56 |
| Jul 21, 2026 | Doherty John N.officer: EVP, CFO | Sell | 57,136 | $6.56 |
| Jul 16, 2026 | ROTHBERG JONATHAN Mdirector, 10 percent owner: | Sell | 253,867 | $7.09 |
| Jul 16, 2026 | ROTHBERG JONATHAN Mdirector, 10 percent owner: | Sell | 1,213,634 | $7.09 |
| Jul 16, 2026 | ROTHBERG JONATHAN Mdirector, 10 percent owner: | Sell | 815,632 | $7.72 |
| Jul 16, 2026 | ROTHBERG JONATHAN Mdirector, 10 percent owner: | Sell | 1,730,319 | $7.32 |
| Jul 8, 2026 | DEVIVO JOSEPHdirector, officer: President & CEO | Sell | 204,725 | $7.87 |
| Jul 8, 2026 | Ku Victorofficer: Chief Technology Officer | Sell | 35,649 | $7.87 |
| Jul 8, 2026 | Doherty John N.officer: EVP, CFO | Sell | 55,229 | $7.87 |
| Jul 7, 2026 | Carlson Meganofficer: CAO and SVP, Finance | Sell | 41,303 | $7.96 |
| Jun 22, 2026 | Schwartz Ericadirector | Grant | 25,447 | — |
| Jun 22, 2026 | ROTHBERG JONATHAN Mdirector, 10 percent owner: | Grant | 25,447 | — |
| Jun 22, 2026 | ROBBINS LARRYdirector | Grant | 25,447 | — |
| Jun 22, 2026 | Phanstiel S. Louisedirector | Grant | 25,447 | — |
Source: BFLY SEC Form 4 filings, latest Aug 17, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their BFLY positions over the last 6 months (SEC Form 13F).
Increased
177
New positions
110
Reduced
119
Sold out
34
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 18.8M | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 16.0M | May 13, 2026 |
| GLENVIEW CAPITAL MANAGEMENT, LLC | Unchanged | 14.3M | Aug 14, 2026 |
| GLENVIEW CAPITAL MANAGEMENT, LLC | Unchanged | 14.3M | May 15, 2026 |
| Hood River Capital Management LLC | Increased | 13.2M | Aug 14, 2026 |
| FOSUN INTERNATIONAL LTD | Unchanged | 10.7M | May 14, 2026 |
| Fosun International Ltd | Reduced | 10.2M | Aug 12, 2026 |
| HOOD RIVER CAPITAL MANAGEMENT LLC | Increased | 8.6M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 8.6M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 8.2M | May 15, 2026 |
| D. E. Shaw & Co., Inc. | Increased | 6.4M | Aug 14, 2026 |
| STATE STREET CORP | Increased | 5.8M | Aug 7, 2026 |
| STATE STREET CORP | Increased | 5.5M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 5.3M | Aug 12, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Reduced | 5.2M | May 12, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.