Butterfly Network, Inc. — Director's Dealing 2025

Sep 24, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Butterfly Network, Inc. (BFLY)
CIK: 0001804176
Period of Report: 2025-09-22

Reporting Person: Ku Victor (Chief Technology Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-22	Class A Common Stock	A	565287	—	Acquired	565287	Direct
2025-09-22	Class A Common Stock	A	282643	—	Acquired	847930	Direct

Footnotes

F1: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A Common Stock ("Common Stock") upon vesting. One-third of the RSUs underlying this grant vest on September 22, 2026, and the remainder shall vest on a pro rata annual basis over the next two years, subject to the Reporting Person's continued service through the applicable vesting date.

F2: Consists of performance-based RSUs. The RSUs underlying this grant shall vest as follows: (i) one-third shall vest upon the achievement of a price for the Common Stock equal to or exceeding $3.00 per share, (ii) one-third shall vest upon the achievement of a price for the Common Stock equal to or exceeding $4.50 per share and (iii) one-third shall vest upon the achievement of a price for the Common Stock equal to or exceeding $6.00 per share. In each case, the closing stock price for 20 consecutive trading days must equal or exceed the share price targets, provided such share price is achieved prior to September 22, 2030, subject to the Reporting Person's continued service through the applicable vesting date.