Butterfly Network (BFLY) director files Form 4 for planned share sales
Rhea-AI Filing Summary
Butterfly Network, Inc. insider Jonathan M. Rothberg, Ph.D., a director and 10% owner, reported planned stock sales under a Rule 10b5-1 trading plan. The plan was adopted on March 5, 2025 for estate planning purposes.
On December 4, 2025, an affiliated entity, GBR TR, LLC, sold 64,198 shares of Class A common stock at a weighted average price of $3.076 per share, leaving 581,199 Class A shares indirectly held by that entity. On December 5, 2025, GBR TR, LLC sold an additional 37,598 Class A shares at a weighted average price of $3.0744, with 543,601 Class A shares remaining indirectly held.
Rothberg reports indirect beneficial ownership of additional Class A and Class B common stock through multiple family trusts and holding companies and disclaims beneficial ownership beyond his pecuniary interest.
Positive
- None.
Negative
- None.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Class A Common Stock | 37,598 | $3.0744 | $116K |
| Sale | Class A Common Stock | 64,198 | $3.076 | $197K |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class B Common Stock | -- | -- | -- |
| holding | Class B Common Stock | -- | -- | -- |
| holding | Class B Common Stock | -- | -- | -- |
| holding | Class B Common Stock | -- | -- | -- |
| holding | Class B Common Stock | -- | -- | -- |
| holding | Class B Common Stock | -- | -- | -- |
| holding | Class B Common Stock | -- | -- | -- |
| holding | Class B Common Stock | -- | -- | -- |
| holding | Class B Common Stock | -- | -- | -- |
Footnotes (1)
- The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes. Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.0886 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. Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein. Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.09 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.
FAQ
What insider stock transactions did Butterfly Network (BFLY) report?
Jonathan M. Rothberg, Ph.D., a director and 10% owner of Butterfly Network, reported sales of Class A common stock by GBR TR, LLC on December 4 and 5, 2025, totaling two transactions in which shares were sold at weighted average prices slightly above $3.07 per share.
What is the reporting person’s remaining Butterfly Network (BFLY) stake after the sales?
After the December 5, 2025 transaction, GBR TR, LLC indirectly held 543,601 Class A common shares. The filing also lists substantial additional indirect holdings of both Class A and Class B common stock through several trusts and holding companies associated with Jonathan M. Rothberg and family members.
Were the BFLY insider sales made under a Rule 10b5-1 trading plan?
Yes. The transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025, which the filing states was established for estate planning purposes.
How does Jonathan M. Rothberg report his indirect ownership in Butterfly Network (BFLY)?
Rothberg is the manager of several entities, including 4C Holdings I–V, LLC and multiple family trusts such as NVR TR, LLC and GBR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. He disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest.