X0508 4 2026-03-02 0001804176 Butterfly Network, Inc. BFLY 0002087062 Ku Victor C/O BUTTERFLY NETWORK, INC. 1600 DISTRICT AVENUE BURLINGTON MA 01803 0 1 0 0 Chief Technology Officer 0 Class A Common Stock 2026-03-02 4 A 0 287326 0 A 1099288 D 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. /s/ Nick Caezza, Attorney-in-Fact 2026-03-04