Butterfly Network (BFLY) 10% owner reports Rule 10b5-1 stock sales
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Butterfly Network, Inc. insider activity shows a director and 10% owner reporting sales of Class A common stock. On December 8, 2025, entities associated with the reporting person sold 543,601 Class A shares and 225,726 Class A shares at a weighted average price of $3.2727 per share. On December 9, 2025, an associated entity sold an additional 176,070 Class A shares at a weighted average price of $3.1054 per share. The filing states these transactions were made under a Rule 10b5-1 trading plan adopted on March 5, 2025 for estate planning purposes. After these sales, the reporting person continues to hold indirect beneficial ownership in Class A and Class B shares through multiple LLC and trust entities.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Seller: 945,397 shares ($3,064,544)
Net Sell
17 txns
Insider
ROTHBERG JONATHAN M
Role
Director, 10% Owner
Sold
945,397 shs ($3.06M)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Class A Common Stock | 176,070 | $3.1054 | $547K |
| Sale | Class A Common Stock | 543,601 | $3.2727 | $1.78M |
| Sale | Class A Common Stock | 225,726 | $3.2727 | $739K |
| 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 | -- | -- | -- |
Holdings After Transaction:
Class A Common Stock — 111,031 shares (Indirect, By JNR TR, LLC);
Class A Common Stock — 2,880,252 shares (Direct);
Class B Common Stock — 4,716,596 shares (Indirect, By 4C Holdings I, LLC)
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 $3.23 to $3.3845 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 $3.16 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.
