Form 4 Filing for Butterfly Network, Inc.

Jonathan M. Rothberg, a director and 10% owner of Butterfly Network, Inc. (BFLY), reported several transactions involving Class B Common Stock. These transactions, executed under a Rule 10b5-1 trading plan for estate planning purposes, involved the disposal of a significant number of shares. Specifically, on July 17, 2026, 1,195,857 shares were sold at an average price of $6.5959, leaving 54,143 shares. On July 20, 2026, 1,177,276 shares were sold at an average price of $6.6138, with 72,724 shares remaining. Lastly, on July 21, 2026, 753,320 shares were sold at an average price of $6.7359, resulting in 496,680 shares. The Class B common stock automatically converted into Class A common stock on a one-to-one basis upon sale. Rothberg also holds Class A common stock directly and indirectly through various entities and his spouse.