Butterfly Network insider plans sale of Class A shares

Butterfly Network insider Joseph M. Devivo filed notice of intent to sell 68,346 Class A shares of common stock, expected from restricted stock vesting on December 17, 2024.

Rhea-AI Filing Summary

Butterfly Network insider Joseph M. Devivo filed notice of intent to sell 68,346 Class A shares of common stock, expected from restricted stock vesting on December 17, 2024. The shares are held at Fidelity Brokerage Services and are listed on the NYSE.

Key Figures

Planned shares to be sold: 68,346 shares Prior sale on July 7, 2026: 204,725 shares for $1,611,820.40 Prior sale on July 20, 2026: 211,798 shares for $1,389,352.52 +2 more

5 metrics

Planned shares to be sold 68,346 shares Class A common stock tied to restricted stock vesting on December 17, 2024

Prior sale on July 7, 2026 204,725 shares for $1,611,820.40 Class A shares sold during the past three months

Prior sale on July 20, 2026 211,798 shares for $1,389,352.52 Class A shares sold during the past three months

Brokerage Fidelity Brokerage Services LLC Holder of the Class A shares to be sold, located in Smithfield, RI

Exchange NYSE Listing venue for the Class A common stock

Key Terms

Form 144, Restricted Stock Vesting, compensation, Class A

4 terms

Form 144 regulatory

"144: Securities To Be Sold"

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 | 12/17/2024 | 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.

compensation financial

"12/17/2024 | Compensation"

Class A financial

"Class A | Fidelity Brokerage Services LLC 900 Salem Street"

Class A denotes a specific group of a company’s shares that carry a particular set of rights—most commonly different voting power or dividend priority compared with other share classes. Think of it like different seats on a bus where some seats let you steer and others only ride: knowing whether a share is Class A tells investors how much influence they have over company decisions and how returns might be distributed, which affects control and value.

FAQ

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

What does Butterfly Network (BFLY) disclose in this Form 144 filing?

Butterfly Network reports that insider Joseph M. Devivo intends to sell 68,346 Class A shares of common stock related to restricted stock vesting scheduled for December 17, 2024.

How many Butterfly Network (BFLY) shares are planned for sale under this notice?

The filing indicates a planned sale of 68,346 Class A shares. These shares are tied to restricted stock vesting and are held through Fidelity Brokerage Services for trading on the NYSE.

What is the source of the Butterfly Network (BFLY) shares in this planned sale?

The shares come from restricted stock vesting dated December 17, 2024. The issuer is listed as Butterfly Network, and the transaction is categorized as compensation to the insider.

What prior Butterfly Network (BFLY) share sales by Joseph M. Devivo are disclosed?

The notice lists sales of 204,725 Class A shares on July 7, 2026 for $1,611,820.40, and 211,798 Class A shares on July 20, 2026 for $1,389,352.52 during the past three months.

Where are the Butterfly Network (BFLY) shares in this Form 144 held?

The Class A shares are held at Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, RI 02917, and are listed for trading on the NYSE.

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

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Accepted by SEC EDGAR 08/10/2026 - 04:44 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	0001258790
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	DEVIVO JOSEPH
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
Relationship to Issuer	Director

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	68346	684082.36	244858246	08/10/2026	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	12/17/2024	Restricted Stock Vesting	Issuer			68346	12/17/2024	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
Joseph M. Devivo 1600 District Avenue Burlington MA 01803	Class A	07/07/2026	204725	1611820.40
Joseph M. Devivo 1600 District Avenue Burlington MA 01803	Class A	07/20/2026	211798	1389352.52

144: Remarks and Signature

Remarks
Date of Notice	08/10/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/12/2025
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/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Joseph M. Devivo
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)