144 0001076352 XXXXXXXX LIVE 0001804176 Butterfly Network, Inc. 001-39292 1600 DISTRICT AVENUE BURLINGTON MA 01803 781-557-4800 ROTHBERG JONATHAN M Director Class A common Jefferies LLC

520 Madison Ave New York NY 10022

1730319 12670000.00 235200000 07/15/2026 NYSE Class A 08/31/2014 Private Investment N/A N 660815 08/31/2014 N/A Class A 12/31/2022 RSU N/A N 989070 12/31/2022 N/A Class A 06/18/2026 RSU N/A N 80434 06/18/2026 N/A N Dr. Jonathan Rothberg

530 Old Whitefield St Guilford CT 06437

Class A 07/14/2026 815632 6290000.00 07/15/2026 03/13/2026 Jonathan Rothberg