Butterfly Network (NYSE: BFLY) insider files to sell 769,327 shares via Jefferies

Rhea-AI Filing Summary

Butterfly Network insider Dr. Jonathan Rothberg filed a notice of proposed sale of 769,327 shares of the company’s common stock. The shares are to be sold through broker Jefferies on the NYSE, with an aggregate market value of $2,517,776.00 based on the price used in the filing, and are part of a class with 226,200,000 shares outstanding.

The shares were originally acquired on 08/31/2014 in a private purchase from Butterfly Network Inc. for cash. The filing also lists prior sales by Dr. Rothberg over the past three months, including 1,110,579 shares of common stock sold on 11/24/2025 for gross proceeds of $3,503,032.70 and 674,758 shares sold on 11/25/2025 for $2,206,728.56. The signer represents that they are not aware of undisclosed material adverse information about Butterfly Network.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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
Common	Jefferies 520 Madison Ave New York NY 10022	769327	2517776.00	226200000	12/08/2025	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 *
Common	08/31/2014	Private Purchase from the Company	Butterfly Network Inc.			769327	08/31/2014	Cash

* 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	Common	11/03/2025	100502	309361.24
Dr. Jonathan Rothberg 530 Old Whitefield St Guilford CT 06437	Common	11/24/2025	1110579	3503032.70
Dr. Jonathan Rothberg 530 Old Whitefield St Guilford CT 06437	Common	11/25/2025	674758	2206728.56
Dr. Jonathan Rothberg 530 Old Whitefield St Guilford CT 06437	Common	11/26/2025	442539	1383598.00
Dr. Jonathan Rothberg 530 Old Whitefield St Guilford CT 06437	Common	11/28/2025	132570	408196.00
Dr. Jonathan Rothberg 530 Old Whitefield St Guilford CT 06437	Common	12/04/2025	64198	197473.00
Dr. Jonathan Rothberg 530 Old Whitefield St Guilford CT 06437	Common	12/05/2025	37598	115591.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filing related to Butterfly Network (BFLY) disclose?

The notice discloses that Dr. Jonathan Rothberg plans to sell 769,327 shares of Butterfly Network common stock through Jefferies on the NYSE, with an aggregate market value of $2,517,776.00 based on the price used in the filing.

How many Butterfly Network (BFLY) shares does the insider plan to sell and what class are they?

The insider plans to sell 769,327 shares of common stock of Butterfly Network. The filing notes that the class has 226,200,000 shares outstanding at the time stated in the form.

When and how did the insider originally acquire the Butterfly Network (BFLY) shares being sold?

The filing states the common shares to be sold were acquired on 08/31/2014 via a private purchase from Butterfly Network Inc., with the consideration paid in cash on the same date.

Which broker will handle the planned sale of Butterfly Network (BFLY) shares and on which exchange?

The planned sale of 769,327 Butterfly Network common shares will be handled by Jefferies, located at 520 Madison Ave, New York, NY 10022, and the shares are listed for sale on the NYSE.

What prior sales of Butterfly Network (BFLY) shares by the insider are reported in the past three months?

The filing lists several prior sales by Dr. Jonathan Rothberg, including 1,110,579 common shares sold on 11/24/2025 for gross proceeds of $3,503,032.70 and 674,758 shares sold on 11/25/2025 for $2,206,728.56, along with additional smaller sales on nearby dates.

What representation does the insider make about Butterfly Network (BFLY) in the Form 144?

By signing the notice, the person for whose account the securities will be sold represents that they do not know any material adverse information about Butterfly Network’s current or prospective operations that has not been publicly disclosed.