Butterfly Network insider plans sale of Class A shares

Butterfly Network (BFLY) reports a planned resale under Form 144.

Rhea-AI Filing Summary

Butterfly Network (BFLY) reports a planned resale under Form 144. The filing lists up to 1,177,276 shares of Class A common stock to be sold through Jefferies LLC, with a reported value of $7,790,000 and an approximate sale date of July 20, 2026 on the NYSE.

The filing also notes prior Class A sales by Dr. Jonathan Rothberg during the past three months: 815,632 shares for $6,295,000 on July 14, 2026; 1,730,319 shares for $12,670,000 on July 15, 2026; 1,467,501 shares for $10,400,000 on July 16, 2026; and 1,195,857 shares for $7,880,000 on July 17, 2026.

Key Figures

Planned Class A shares to be sold: 1,177,276 shares Reported value of planned sale: $7,790,000.00 Prior sale 07/14/2026: 815,632 shares for $6,295,000.00 +3 more

6 metrics

Planned Class A shares to be sold 1,177,276 shares Securities To Be Sold section, Class A common via Jefferies LLC

Reported value of planned sale $7,790,000.00 Securities To Be Sold section for Class A common

Prior sale 07/14/2026 815,632 shares for $6,295,000.00 Securities Sold During The Past 3 Months by Dr. Jonathan Rothberg

Prior sale 07/15/2026 1,730,319 shares for $12,670,000.00 Securities Sold During The Past 3 Months by Dr. Jonathan Rothberg

Prior sale 07/16/2026 1,467,501 shares for $10,400,000.00 Securities Sold During The Past 3 Months by Dr. Jonathan Rothberg

Prior sale 07/17/2026 1,195,857 shares for $7,880,000.00 Securities Sold During The Past 3 Months by Dr. Jonathan Rothberg

Key Terms

Form 144, Class A common, Private Placement, Securities To Be Sold

4 terms

Form 144 regulatory

"reports a planned resale under Form 144"

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.

Class A common financial

"up to 1,177,276 shares of Class A common stock"

Private Placement financial

"Class A | 05/31/2012 | Private Placement"

A private placement is a sale of securities directly to a selected group of investors, typically institutions or accredited investors, instead of through a public offering. It lets a company raise money faster and with fewer regulatory steps; for existing shareholders it matters because the newly issued shares, often sold at a discount, increase the share count and can dilute their ownership.

Securities To Be Sold regulatory

"144: Securities To Be Sold"

FAQ

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

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

Butterfly Network reports a planned resale of 1,177,276 Class A shares through Jefferies LLC, with a reported value of $7,790,000 and an approximate sale date of July 20, 2026 on the NYSE.

How many Butterfly Network (BFLY) shares are planned to be sold and through which broker?

The filing lists up to 1,177,276 shares of Class A common stock to be sold through Jefferies LLC, with a reported value of $7,790,000 and trading venue indicated as the NYSE.

Who is the selling security holder identified in the Butterfly Network (BFLY) Form 144?

The Form 144 identifies Dr. Jonathan Rothberg, with an address in Guilford, CT, in connection with reported past sales of Class A common stock over several days in July 2026.

What past three-month sales of Butterfly Network (BFLY) shares are disclosed?

The filing lists Class A sales on July 14–17, 2026: 815,632 shares for $6,295,000, 1,730,319 for $12,670,000, 1,467,501 for $10,400,000, and 1,195,857 for $7,880,000.

On which exchange are the Butterfly Network (BFLY) Form 144 shares expected to trade?

The Form 144 indicates that the Class A common stock covered by the filing is expected to be sold on the NYSE, with Jefferies LLC listed as the broker handling the transaction.

What is the nature of the original issuance referenced in the Butterfly Network (BFLY) Form 144?

The filing notes that the Class A securities were originally acquired in a Private Placement dated May 31, 2012, providing background on how the seller obtained the shares now covered.

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

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Available on EDGAR 07/20/2026 - 05:10 PM Accepted by SEC EDGAR 07/20/2026 - 05:09 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	0001076352
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	ROTHBERG JONATHAN M
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	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 common	Jefferies LLC 520 Madison Ave New York NY 10022	1177276	7790000.00	235200000	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	05/31/2012	Private Placement	N/A			1177276	05/31/2012	N/A

* 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
Dr. Jonathan Rothberg 530 Old Whitefield St Guilford CT 06437	Class A	07/14/2026	815632	6295000.00
Dr. Jonathan Rothberg 530 Old Whitefield St Guilford CT 06437	Class A	07/15/2026	1730319	12670000.00
Dr. Jonathan Rothberg 530 Old Whitefield St Guilford CT 06437	Class A	07/16/2026	1467501	10400000.00
Dr. Jonathan Rothberg 530 Old Whitefield St Guilford CT 06437	Class A	07/17/2026	1195857	7880000.00

144: Remarks and Signature

Remarks
Date of Notice	07/20/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/13/2026
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	Jonathan Rothberg
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)