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 insider Dr. Jonathan Rothberg has filed a Form 144 notice to sell 37,598 shares of the company’s common stock through broker Jefferies on the NYSE, with an aggregate market value of $115,591.00. The notice states that 226,200,000 shares of common stock were outstanding, providing a baseline for the company’s total share count.
The shares to be sold were originally acquired on 08/31/2014 in a private purchase from Butterfly Network Inc., paid in cash. The filing also lists prior sales over the past three months, including 100,502 shares sold on 11/03/2025 for gross proceeds of $309,361.24 and 1,110,579 shares sold on 11/24/2025 for $3,503,032.70, along with several additional transactions in late November and early December 2025.
Butterfly Network Inc. insider Dr. Jonathan Rothberg has filed a Form 144 indicating an intention to sell 64,198 shares of the company’s common stock through broker Jefferies on the NYSE, with an approximate sale date of 12/04/2025. These shares were originally acquired on 08/31/2014 via a private purchase from Butterfly Network Inc. for cash. The filing also lists several recent sales of Butterfly Network common stock by Dr. Rothberg during November 2025, each with disclosed share amounts and gross proceeds.
Butterfly Network, Inc. (BFLY) reported an insider transaction by its Deputy General Counsel on a Form 4. On 12/02/2025, the officer sold 1,686 shares of Class A common stock. The weighted average sale price was about $2.829 per share, with individual trades executed between $2.79 and $2.87 per share.
The company has a sell-to-cover policy for tax withholding, and these sales represent shares automatically sold to satisfy tax obligations tied to vesting restricted stock units. After this transaction, the reporting person beneficially owned 231,035 shares of Butterfly Network stock, held directly.
Butterfly Network, Inc.$3.079 per share through JNR TR, LLC. The sales were executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 5, 2025 for estate planning purposes, with individual trade prices ranging from $3.07 to $3.105 per share.
After this transaction, Rothberg continues to beneficially own substantial stakes in Butterfly Network’s Class A and Class B common stock through multiple entities, including JNR TR, LLC, EJR TR, LLC, GBR TR, LLC, NVR TR, LLC and several 4C Holdings entities, as well as through his spouse.
A BFLY shareholder filed a Form 144 notice to sell 1,686 Class A shares through Fidelity Brokerage Services on the NYSE, with an indicated aggregate market value of $4,769.02. The filing notes that 226,175,175 Class A shares were outstanding at the time. The shares to be sold were acquired on 12/01/2025 via restricted stock vesting from the issuer as compensation, with payment also dated 12/01/2025. Over the prior three months, the same seller disposed of 1,724 Class A shares for gross proceeds of $2,622.20, reflecting recent ongoing sales activity.
Butterfly Network, Inc. insider Jonathan M. Rothberg reports updated ownership of both share classes. He beneficially owns 7,289,756 shares of Class A common stock, representing 3.2% of the 226,175,175 Class A shares outstanding as of October 21, 2025. This includes shares held directly, stock options exercisable within 60 days of November 26, 2025, and shares held by entities owned by trusts for his children and by his spouse.
He also beneficially owns 26,426,937 shares of Class B common stock, representing 100% of that class as of October 21, 2025, mainly through 4C Holdings I–V, LLC and related family entities. Under a Rule 10b5-1 trading plan entered on March 5, 2025, he sold Class A shares in estate-planning transactions: 100,502 shares at $3.078 on November 3, 2025, 1,110,579 shares at $3.15 on November 24, 2025, 674,758 shares at $3.27 on November 25, 2025, 442,539 shares at $3.13 on November 26, 2025 and 132,570 shares at $3.08 on November 28, 2025.
Butterfly Network insider plans additional stock sale under Rule 144. A holder of Butterfly Network common stock filed to sell 132,570 shares through broker Jefferies on the NYSE, with an aggregate market value of $408,196.00 as of the notice. The shares were originally acquired on 08/31/2014 in a private purchase from Butterfly Network Inc. paid in cash. Over the past three months, the same seller, Dr. Jonathan Rothberg, has already sold multiple blocks of Butterfly Network common stock, including 100,502 shares on 11/03/2025 for gross proceeds of $309,361.24, 1,110,579 shares on 11/24/2025 for $3,503,032.70, 674,758 shares on 11/25/2025 for $2,206,728.56, and 442,539 shares on 11/26/2025 for $1,383,598.00, as disclosed in the notice.
Butterfly Network, Inc. director and 10% owner Jonathan M. Rothberg, Ph.D., reported multiple sales of Class A common stock executed indirectly through family-related LLC trusts. On 11/24/2025 and 11/25/2025, entities EJR TR, LLC, JNR TR, LLC and GBR TR, LLC each sold 370,193 and then about 224,9xx Class A shares at weighted average prices of about $3.15 and $3.27 per share under transaction code “S.” On 11/26/2025, NVR TR, LLC sold 442,539 Class A shares at a weighted average price of about $3.13 per share. The filing states these trades were made under a Rule 10b5‑1 trading plan adopted on March 5, 2025 for estate planning purposes, and that Dr. Rothberg disclaims beneficial ownership of the securities held by the various entities except to the extent of his pecuniary interest.
Butterfly Network (BFLY) insider Dr. Jonathan Rothberg filed a notice to sell 674,758 common shares through broker Jefferies LLC on the NYSE, with an indicated aggregate market value of $2,206,728.56. The filing notes that 226,200,000 common shares were outstanding at the time of the notice.
The shares to be sold were originally acquired on 08/31/2014 via a private purchase from Butterfly Network Inc. for cash. Over the prior three months, Dr. Rothberg sold additional Butterfly Network shares in two transactions: 100,502 shares on 11/03/2025 for gross proceeds of $309,361.24, and 1,110,579 shares on 11/24/2025 for gross proceeds of $3,503,032.70. The signer represents that they are not aware of undisclosed material adverse information about the company.
Butterfly Network (BFLY) reported that shareholder Jonathan Rothberg plans to sell up to 1,110,579 shares of common stock through Jefferies on the NYSE, with an aggregate market value of $3,502,988. The notice lists 226,200,000 common shares outstanding for the company.
The shares planned for sale were originally acquired on 08/31/2014 in a private cash purchase from Butterfly Network Inc. The filing also notes that during the past three months, Rothberg sold 100,502 Butterfly Network shares on 11/03/2025 for gross proceeds of $309,366. The signer represents that they do not know of undisclosed material adverse information about the issuer’s operations.