Butterfly Network (BFLY) CEO auto-sells shares for RSU tax withholding

Rhea-AI Filing Summary

Butterfly Network, Inc. President & CEO Joseph DeVivo reported an open-market sale of 482,149 shares of Class A common stock at a weighted average price of $3.709 per share. According to the company’s sell-to-cover policy, these shares were sold automatically to cover tax withholding from vested restricted stock units, not at his discretion. After the sale, he directly owned 8,030,899 shares.

Insider Trade Summary

Net Seller: 482,149 shares ($1,788,291)

Net Sell 1 txn

Insider DEVIVO JOSEPH

Role President & CEO

Sold 482,149 shs ($1.79M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	482,149	$3.709	$1.79M

Holdings After Transaction: Class A Common Stock — 8,030,899 shares (Direct)

Footnotes (1)

1. The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person. Represents the weighted average sales price per share. The shares sold at prices ranging from $3.62-$3.895 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DEVIVO JOSEPH

(Last) (First) (Middle)

C/O BUTTERFLY NETWORK, INC.

1600 DISTRICT AVENUE

(Street)

BURLINGTON MA 01803

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Butterfly Network, Inc. [ BFLY ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	03/05/2026		S(1)		482,149	D	$3.709(2)	8,030,899	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

2. Represents the weighted average sales price per share. The shares sold at prices ranging from $3.62-$3.895 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

	/s/ Nick Caezza, Attorney-in-Fact	03/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Butterfly Network (BFLY) report on this Form 4?

Butterfly Network reported that President & CEO Joseph DeVivo sold 482,149 shares of Class A common stock. The sale was an automatic sell-to-cover transaction related to tax withholding on vested restricted stock units under the issuer’s policy.

At what price did the Butterfly Network (BFLY) CEO’s shares sell?

The CEO’s shares sold at a weighted average price of $3.709 per share. Actual sale prices ranged from $3.62 to $3.895 per share, with full trade breakdowns available to regulators, the company, or its security holders upon request.

Why did Butterfly Network (BFLY) CEO Joseph DeVivo sell 482,149 shares?

The sale was made to satisfy tax withholding obligations tied to the vesting of restricted stock units. Butterfly Network has a sell-to-cover policy, so these transactions occurred automatically and were not executed at the CEO’s personal discretion.

How many Butterfly Network (BFLY) shares does the CEO hold after this transaction?

Following the reported transaction, President & CEO Joseph DeVivo directly owned 8,030,899 shares of Butterfly Network Class A common stock. This figure reflects his holdings after selling 482,149 shares to cover associated tax withholding obligations.

Was the Butterfly Network (BFLY) CEO’s Form 4 sale an open-market transaction?

Yes, the transaction is reported as an open-market sale of Class A common stock. However, it occurred under a sell-to-cover arrangement, meaning shares were automatically sold to cover tax withholding from restricted stock unit vesting rather than discretionary selling.