Welcome to our dedicated page for Butterfly Network SEC filings (Ticker: BFLY), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Butterfly Network, Inc. filings document the formal disclosures of a public digital health company built around Ultrasound-on-Chip devices, ultrasound software and AI. Recent 8-K reports furnish quarterly and annual results, business updates, material agreements, executive and director matters, and listing-status notices affecting securities issued in connection with its prior business combination with Longview Acquisition Corp.
Proxy materials describe annual meeting proposals, director elections, auditor ratification and executive-compensation votes. Other filings cover the company’s Class A common stock, public warrants, capital structure and governance, including the NYSE Form 25 record for removal of the warrants from listing and registration, while operating disclosures address point-of-care ultrasound and Butterfly Embedded licensing activity.
Butterfly Network, Inc. reported that it has announced preliminary financial results for the fourth quarter ended December 31, 2025. The company made this disclosure through a press release dated January 12, 2026, which is included as Exhibit 99.1 to this report. The Class A common stock trades on the New York Stock Exchange under the symbol BFLY, and its publicly traded warrants trade under BFLY WS. The report is signed on behalf of the company by Chief Financial Officer John Doherty.
Butterfly Network, Inc. executive vice president and chief financial officer John N. Doherty reported an automatic sale of company stock tied to tax withholding. On January 7, 2026, he sold 60,182 shares of Class A common stock at a weighted average price of $3.98 per share, with individual sale prices ranging from $3.915 to $4.055. According to the company’s “sell-to-cover” policy, these sales were made only to cover tax obligations arising from the vesting of restricted stock units and were not at his discretion. After the transaction, Doherty beneficially owned 1,234,688 shares of Butterfly Network Class A common stock.
Butterfly Network, Inc. director and 10% owner Jonathan M. Rothberg reported sales of Class A common stock made indirectly through JAR TR, LLC. JAR TR, LLC sold 351,617 shares on 01/06/2026 at a weighted average price of $4.0294, 452,729 shares on 01/07/2026 at $4.1399, and 335,834 shares on 01/08/2026 at $4.1822, leaving no Class A shares held by that entity after the reported transactions.
The sales were effected under a Rule 10b5-1 trading plan adopted on March 5, 2025 for estate-planning purposes. Rothberg remains associated with substantial holdings of Class A and Class B common stock through direct ownership, his spouse, and multiple LLC and trust entities, while disclaiming beneficial ownership of those securities except to the extent of his pecuniary interest.
Butterfly Network Inc. insider Dr. Jonathan Rothberg has filed a notice to sell 335,834 shares of common stock through broker Jefferies on the NYSE, with an aggregate market value of 1,404,525.00. The filing reports that 226,200,000 shares of common stock are outstanding.
The shares to be sold were originally acquired in a private purchase from Butterfly Network Inc. on 08/31/2014, when 176,070 shares were bought for cash. The notice also lists multiple recent sales by Dr. Rothberg over the past three months, including 1,110,579 shares sold on 11/24/2025 for gross proceeds of 3,503,032.70 and 452,729 shares sold on 01/07/2026 for 1,874,252.00. By signing, the seller represents that he is not aware of undisclosed material adverse information about the company.
A holder of Butterfly Network Inc. common stock has filed a notice of intent to sell 452,729 shares through broker Jefferies on the NYSE, with an aggregate market value of $1,874,252.78. The filing states that 226,200,000 common shares are outstanding; this is a baseline figure, not the amount being sold. The seller acquired these 452,729 shares in a private purchase from Butterfly Network Inc. on 08/31/2014, paid in cash. The notice also lists multiple prior sales of Butterfly Network common stock over the past three months by the same seller, each with specified share amounts, dates, and gross proceeds.
Butterfly Network Chief Technology Officer Victor Ku reported an automatic sale of company stock related to tax withholding. On January 5, 2026, he sold 35,968 shares of Butterfly Network Class A common stock at a weighted average price of $3.82 per share in a transaction coded as a sale.
According to the disclosure, Butterfly Network has a "sell-to-cover" policy for equity awards, and these shares were sold automatically to cover tax withholding triggered by the vesting of restricted stock units, rather than at Ku’s discretion. After this transaction, Ku beneficially owned 811,962 shares of Class A common stock directly.
Butterfly Network investor filed a notice to sell Class A shares under Rule 144. The filing covers the planned sale of 60,182 Class A shares through Fidelity Brokerage Services LLC on the NYSE, with an aggregate market value of $239,494.27. The shares are part of a larger base of 226,175,175 Class A shares outstanding. The securities were acquired on 01/06/2026 through restricted stock vesting from the issuer as compensation, and the approximate sale date listed is 01/07/2026. By signing, the selling holder represents they are not aware of undisclosed material adverse information about Butterfly Network’s current or prospective operations.
Butterfly Network Inc. insider Dr. Jonathan Rothberg has filed a notice to sell additional common shares under Rule 144. The filing covers 351,617 common shares to be sold through Jefferies LLC on the NYSE, with an aggregate market value of $1,416,805.00, while 226,200,000 common shares are outstanding. The shares were originally acquired on 08/31/2014 in a private purchase from the company, paid in cash.
The notice also lists a series of recent open-market sales by Dr. Rothberg over the past three months, including multiple transactions in November and December 2025, such as 1,110,579 common shares sold on 11/24/2025 for gross proceeds of $3,503,032.70. By signing the notice, the seller represents that he does not know of any material adverse, non-public information about Butterfly Network’s operations.
A holder of BFLY Class A shares has filed a notice of intent to sell 35,968 shares through Fidelity Brokerage Services on the NYSE. The filing lists an aggregate market value of $137,415.74 for these shares and notes that there were 226,175,175 Class A shares outstanding at the time of the notice. The shares to be sold were acquired on January 2, 2026 through restricted stock vesting from the issuer as compensation, and the planned sale date is approximately January 5, 2026. The seller represents that they are not aware of any material adverse information about the issuer that has not been publicly disclosed.
Butterfly Network, Inc. director and 10% owner Jonathan M. Rothberg, Ph.D. reported multiple open‑market sales of Class A common stock made under a pre‑arranged Rule 10b5‑1 trading plan adopted on March 5, 2025 for estate planning purposes.
Through JAR TR, LLC, he sold 44,781 shares at a weighted average price of $4.0067 on 12/23/2025, 2,673 shares at $4.00 on 12/24/2025, and 14,911 shares at a weighted average price of $4.0098 on 12/26/2025. After these transactions, 1,157,764, 1,155,091 and then 1,140,180 Class A shares remained indirectly owned through JAR TR, LLC.
In addition, substantial indirect holdings of Class A and Class B common stock are reported through various entities, including 4C Holdings I–V, NVR TR, JNR TR, GBR TR, EJR TR, and the reporting person’s spouse, while Dr. Rothberg disclaims beneficial ownership of these securities except to the extent of his pecuniary interest.