Form 4 Filing for Butterfly Network, Inc.

Jonathan M. Rothberg, a director and 10% owner of Butterfly Network, Inc., reported several non-derivative transactions involving Class A and Class B Common Stock between July 14-16, 2026. These transactions were executed under a Rule 10b5-1 trading plan adopted for estate planning purposes. Rothberg disposed of 815,632 shares of Class A Common Stock at an average price of $7.7178 on July 14, followed by dispositions of 1,730,319 shares at $7.3228 on July 15, and 253,867 shares at $7.0889 on July 16. Additionally, 1,213,634 shares of Class B Common Stock were disposed of at $7.0889 on July 16, with automatic conversion to Class A Common Stock upon sale. Post-transaction, holdings include 726,696 shares of Class A Common Stock and significant holdings of Class B Common Stock indirectly owned through various LLCs and trusts.