Butterfly Network (BFLY) director details estate-planning stock sales
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Butterfly Network director and 10% owner Jonathan M. Rothberg, Ph.D. reported sales of Class A common stock executed under a Rule 10b5‑1 trading plan. The plan was adopted on March 5, 2025 for estate planning purposes. Reported transactions included a sale of 601,308 Class A shares on December 15, 2025 at a weighted average price of $3.1642 per share, followed on December 16, 2025 by sales of 50,360, 196,662 and 37,964 Class A shares at a weighted average price of $3.1364 per share. The prices reflected ranges from $3.07 to $3.2373 and from $3.07 to $3.265 per share. After these trades, the report shows continued holdings of Butterfly Network stock directly and indirectly through family trusts and holding entities, including 1,202,545 Class A shares through JAR TR, LLC, 2,880,252 Class A shares held directly, 726,696 Class A shares held by his spouse, and multiple blocks of Class B common stock held via several 4C Holdings and trust entities.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Seller: 886,294 shares ($2,796,489)
Net Sell
15 txns
Insider
ROTHBERG JONATHAN M
Role
Director, 10% Owner
Sold
886,294 shs ($2.80M)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Class A Common Stock | 50,360 | $3.1364 | $158K |
| Sale | Class A Common Stock | 196,662 | $3.1364 | $617K |
| Sale | Class A Common Stock | 37,964 | $3.1364 | $119K |
| Sale | Class A Common Stock | 601,308 | $3.1642 | $1.90M |
| 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 — 0 shares (Indirect, By EJR 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 $3.07 to $3.2373 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 $3.265 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 sales did Jonathan M. Rothberg report for Butterfly Network (BFLY)?
The report shows that Jonathan M. Rothberg, Ph.D. sold Class A common stock, including 601,308 shares on December 15, 2025 at a weighted average price of $3.1642 per share, and on December 16, 2025 sold blocks of 50,360, 196,662 and 37,964 shares at a weighted average price of $3.1364 per share.
On what dates did the Butterfly Network (BFLY) insider transactions occur?
The earliest reported transaction date is December 15, 2025, when 601,308 Class A shares were sold, followed by additional Class A share sales on December 16, 2025.
Were the Butterfly Network (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 for estate planning purposes.
What is Jonathan Rothberg’s relationship to Butterfly Network (BFLY)?
The report identifies Jonathan M. Rothberg, Ph.D. as both a Director and a 10% Owner of Butterfly Network, Inc.
Does Jonathan Rothberg disclaim beneficial ownership of some Butterfly Network (BFLY) shares?
Yes. The notes state that Dr. Rothberg is the manager of several 4C Holdings entities and trusts and is the spouse of Bonnie E Gould Rothberg MD, and that he disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest.