Insider sale notice: 161,275 Class A shares reported

Joseph M. Devivo reports proposed sale of Class A shares as an affiliate.

Rhea-AI Filing Summary

Joseph M. Devivo reports proposed sale of Class A shares as an affiliate. The filing lists a sale reported for 03/03/2026 of 161,275 Class A shares for $598,685.06. The notice also lists 482,149 Class A shares tied to 03/02/2026 restricted stock vesting described as compensation.

Insights

Corporate Governance Analyst

TL;DR: Affiliate sale notice filed; reported past sale and restricted shares vesting are disclosed.

The filing shows a reported sale of $598,685.06 for 161,275 Class A shares on 03/03/2026

The excerpt also lists 482,149 Class A shares tied to restricted stock vesting on 03/02/2026 described as compensation; timing and cash‑flow treatment for the listed vesting are not detailed in the excerpt.

FAQ

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

What did Joseph M. Devivo report in the Form 144 for BFLY?

He reported a proposed sale of Class A shares and a recent sale of 161,275 shares. The filing lists a sale on 03/03/2026 of 161,275 Class A shares for $598,685.06 and restricted shares vesting on 03/02/2026.

How many shares were sold in the past three months by the reporting person?

The filing shows a past sale of 161,275 Class A shares on 03/03/2026. The reported proceeds for that sale are $598,685.06 as stated in the excerpt.

Does the filing show any restricted shares vesting for the insider?

Yes. The excerpt lists 482,149 Class A shares tied to restricted stock vesting on 03/02/2026 described as compensation. The filing presents the vesting quantity and date.

What cash amount is associated with the reported insider sale?

The reported sale generated $598,685.06 according to the excerpt. That amount is tied to the 161,275 Class A shares sold on 03/03/2026 as shown in the filing.

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

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Accepted by SEC EDGAR 03/05/2026 - 04:42 PM 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	482149	1788483.50	228205930	03/05/2026	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	03/02/2026	Restricted Stock Vesting	Issuer			482149	03/02/2026	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
Joseph M. Devivo 1600 District Avenue Burlington MA 01803	Class A	03/03/2026	161275	598685.06

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	03/05/2026
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/ Gary Redman, 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)