Victor Ku - 02 Mar 2026 Form 4 Insider Report for Butterfly Network, Inc. (BFLY)

Role: Chief Technology Officer
Signature: /s/ Nick Caezza, Attorney-in-Fact
Issuer symbol: BFLY
Transactions as of: 02 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 04 Mar 2026, 16:12:16 UTC
Previous filing: 07 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Ku Victor	Chief Technology Officer	C/O BUTTERFLY NETWORK, INC., 1600 DISTRICT AVENUE, BURLINGTON	/s/ Nick Caezza, Attorney-in-Fact	04 Mar 2026	0002087062

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BFLY	Class A Common Stock	Award		+287,326	+35%	$0.000000^*	1,099,288	02 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A Common Stock upon vesting. The RSUs vest in three equal annual installments beginning on March 1, 2027, subject to the Reporting Person's continued service on each such vesting date.