Butterfly Network insider plans sale of 57,135 shares

Butterfly Network, Inc. (BFLY) reports a planned sale of 57,135 Class A shares through Fidelity Brokerage Services LLC on the NYSE, with an aggregate market value of $374,794.17.

Rhea-AI Filing Summary

Butterfly Network, Inc. (BFLY) reports a planned sale of 57,135 Class A shares through Fidelity Brokerage Services LLC on the NYSE, with an aggregate market value of $374,794.17. The shares were acquired on 07/17/2026 via restricted stock vesting as compensation. Over the prior three months, 55,229 Class A shares were sold for $434,823.44. Shares outstanding are listed as 234,842,768 Class A shares.

Key Figures

Proposed shares to be sold: 57,135 shares Aggregate market value of proposed sale: $374,794.17 Shares outstanding: 234,842,768 shares +3 more

6 metrics

Proposed shares to be sold 57,135 shares Class A common stock proposed for sale under Form 144

Aggregate market value of proposed sale $374,794.17 Estimated value of 57,135 Class A shares to be sold

Shares outstanding 234,842,768 shares Approximate Class A shares outstanding cited in the notice

Prior 3‑month shares sold 55,229 shares Class A shares sold on 07/07/2026 during past three months

Value of prior 3‑month sales $434,823.44 Proceeds from 55,229 Class A shares sold on 07/07/2026

Acquisition date of shares 07/17/2026 Date restricted stock vested as compensation

Key Terms

Form 144, Restricted Stock Vesting, aggregate market value, Compensation

4 terms

Form 144 regulatory

"Filer Information | | | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Class A | 07/17/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

aggregate market value financial

"Class A | Fidelity Brokerage Services LLC ... | 374794.17"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

Compensation financial

"57135 | 07/17/2026 | Compensation"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What amount of BFLY Class A shares is proposed for sale?

The filer plans to sell 57,135 Class A shares of Butterfly Network, Inc. The proposed sale has an aggregate market value of $374,794.17 and is expected to occur through Fidelity Brokerage Services LLC on the NYSE.

How were the BFLY shares being sold obtained?

The 57,135 Class A shares were acquired on 07/17/2026 through Restricted Stock Vesting from the issuer as compensation. This indicates the shares originated from an equity award rather than an open-market purchase.

What recent BFLY share sales has the filer reported?

During the past three months, the filer sold 55,229 Class A shares of Butterfly Network, Inc. on 07/07/2026 for total proceeds of $434,823.44, as disclosed in the Form 144 securities sold section.

What is the reported number of BFLY Class A shares outstanding?

The filing lists approximately 234,842,768 Class A shares outstanding. This figure provides context for the relative size of the filer’s planned sale compared with the total Class A share count.

On which exchange will the BFLY shares be sold and through which broker?

The planned sale of 57,135 Class A shares is listed for trading on the NYSE, using Fidelity Brokerage Services LLC as the broker, with its office at 900 Salem Street, Smithfield, RI 02917.

Who is the reporting person in this BFLY Form 144 notice?

The reporting person is John Doherty, associated with 1600 District Avenue, Burlington, MA 01803. He reports both the proposed sale of vested restricted stock and prior sales of Class A shares of Butterfly Network, Inc.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/20/2026 - 03:10 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001645756
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Butterfly Network, Inc.
SEC File Number	001-39292
Address of Issuer	1600 DISTRICT AVENUE BURLINGTON MASSACHUSETTS 01803
Phone	781-557-4800
Name of Person for Whose Account the Securities are To Be Sold	Doherty John N.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	57135	374794.17	234842768	07/20/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A	07/17/2026	Restricted Stock Vesting	Issuer			57135	07/17/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
John Doherty 1600 District Avenue Burlington MA 01803	Class A	07/07/2026	55229	434823.44

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	07/20/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John Doherty
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)