X0306 4 2021-08-25 false 0001804176 Butterfly Network, Inc. BFLY 0001795696 Perri David C/O BUTTERFLY NETWORK, INC. 530 OLD WHITFIELD STREET GUILFORD CT 06437 false true false false Chief Operating Officer Common Stock 2021-08-25 4 M false 70000.00 9.40 A 70000.00 D Common Stock 2021-08-25 4 S false 70000.00 12.0087 D 0.00 D Stock Option (Right to Buy) 9.40 2021-08-25 4 M false 70000.00 0.00 D 2030-12-17 Common Stock 70000.00 59787.00 D Represents the weighted average sales price per share. The shares sold at prices ranging from $12.00 to $12.07 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. 25% of the shares subject to the option were vested pursuant to a Separation Agreement between the Issuer and the Reporting Person dated as of July 28, 2021. /s/ Mary Miller, as Attorney-in-Fact for David Perri 2021-08-27