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)
DateInsiderTypeSharesPrice
Aug 17, 2026ROBBINS LARRYdirectorSell582,500$8.97
Aug 17, 2026Phanstiel S. LouisedirectorBuy115,200$8.68
Aug 17, 2026ROBBINS LARRYdirectorSell215,233$9.54
Aug 17, 2026ROBBINS LARRYdirectorSell500,000$9.24
Aug 17, 2026ROBBINS LARRYdirectorSell175,300$8.86
Aug 17, 2026ROBBINS LARRYdirectorSell824,700$8.70
Aug 12, 2026Caezza Nicholasofficer: Deputy General CounselSell10,000$9.75
Aug 12, 2026DEVIVO JOSEPHdirector, officer: President & CEOSell68,346$10.01
Aug 4, 2026Carlson Meganofficer: CAO and SVP, FinanceSell68,852$7.86
Aug 3, 2026ROBBINS LARRYdirectorSell1,720,129$7.39
Aug 3, 2026ROBBINS LARRYdirectorSell156,163$8.10
Jul 24, 2026ROTHBERG JONATHAN MdirectorSell36,366$6.47
Jul 21, 2026DEVIVO JOSEPHdirector, officer: President & CEOSell211,798$6.56
Jul 21, 2026ROTHBERG JONATHAN Mdirector, 10 percent owner: Sell1,195,857$6.60
Jul 21, 2026ROTHBERG JONATHAN Mdirector, 10 percent owner: Sell1,177,276$6.61
Jul 21, 2026ROTHBERG JONATHAN Mdirector, 10 percent owner: Sell753,320$6.74
Jul 21, 2026Ku Victorofficer: Chief Technology OfficerSell48,540$6.56
Jul 21, 2026Doherty John N.officer: EVP, CFOSell57,136$6.56
Jul 16, 2026ROTHBERG JONATHAN Mdirector, 10 percent owner: Sell253,867$7.09
Jul 16, 2026ROTHBERG JONATHAN Mdirector, 10 percent owner: Sell1,213,634$7.09
Jul 16, 2026ROTHBERG JONATHAN Mdirector, 10 percent owner: Sell815,632$7.72
Jul 16, 2026ROTHBERG JONATHAN Mdirector, 10 percent owner: Sell1,730,319$7.32
Jul 8, 2026DEVIVO JOSEPHdirector, officer: President & CEOSell204,725$7.87
Jul 8, 2026Ku Victorofficer: Chief Technology OfficerSell35,649$7.87
Jul 8, 2026Doherty John N.officer: EVP, CFOSell55,229$7.87
Jul 7, 2026Carlson Meganofficer: CAO and SVP, FinanceSell41,303$7.96
Jun 22, 2026Schwartz EricadirectorGrant25,447
Jun 22, 2026ROTHBERG JONATHAN Mdirector, 10 percent owner: Grant25,447
Jun 22, 2026ROBBINS LARRYdirectorGrant25,447
Jun 22, 2026Phanstiel S. LouisedirectorGrant25,447

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
InstitutionActionSharesFiled
BlackRock, Inc.Increased18.8MAug 7, 2026
BLACKROCK, INC.Increased16.0MMay 13, 2026
GLENVIEW CAPITAL MANAGEMENT, LLCUnchanged14.3MAug 14, 2026
GLENVIEW CAPITAL MANAGEMENT, LLCUnchanged14.3MMay 15, 2026
Hood River Capital Management LLCIncreased13.2MAug 14, 2026
FOSUN INTERNATIONAL LTDUnchanged10.7MMay 14, 2026
Fosun International LtdReduced10.2MAug 12, 2026
HOOD RIVER CAPITAL MANAGEMENT LLCIncreased8.6MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased8.6MAug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position8.2MMay 15, 2026
D. E. Shaw & Co., Inc.Increased6.4MAug 14, 2026
STATE STREET CORPIncreased5.8MAug 7, 2026
STATE STREET CORPIncreased5.5MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased5.3MAug 12, 2026
ARK INVESTMENT MANAGEMENT LLCReduced5.2MMay 12, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.