Butterfly Network (NYSE: BFLY) CAO sells 110K shares in open market

Rhea-AI Filing Summary

Butterfly Network, Inc. Chief Accounting Officer and SVP, Finance Megan Carlson reported an open-market sale of 110,422 shares of Class A Common Stock on May 1, 2026 at a weighted average price of $4.749 per share, with trades ranging from $4.735 to $4.785. Following this transaction, she directly holds 507,209 shares of the company’s stock.

Insider Trade Summary

Net Seller: 110,422 shares ($524,394)

Net Sell 1 txn

Insider Carlson Megan

Role CAO and SVP, Finance

Sold 110,422 shs ($524K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	110,422	$4.749	$524K

Holdings After Transaction: Class A Common Stock — 507,209 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 110,422 shares Weighted average sale price: $4.749 per share Sale price range: $4.735–$4.785 per share +2 more

5 metrics

Shares sold 110,422 shares Open-market sale on May 1, 2026

Weighted average sale price $4.749 per share Class A Common Stock sale

Sale price range $4.735–$4.785 per share Range disclosed in footnote

Shares held after transaction 507,209 shares Direct holdings after sale

Net share change −110,422 shares Net-sell direction in transaction summary

Key Terms

Class A Common Stock, open-market sale, weighted average sales price, Form 4, +1 more

5 terms

Class A Common Stock financial

"security_title: "Class A Common Stock""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted average sales price financial

"Represents the weighted average sales price per share."

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

U.S. Securities and Exchange Commission regulatory

"provided upon request to the staff of the U.S. Securities and Exchange Commission"

The U.S. Securities and Exchange Commission is a government agency responsible for overseeing the stock market and protecting investors. It sets rules to ensure that companies share truthful information and that trading is fair, helping to maintain trust in the financial system. This oversight is important because it helps prevent fraud and ensures that investors can make informed decisions.

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^*

Carlson Megan

(Last) (First) (Middle)

C/O BUTTERFLY NETWORK, INC.

1600 DISTRICT AVENUE

(Street)

BURLINGTON MASSACHUSETTS 01803

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CAO and SVP, Finance

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026

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

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

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

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	05/01/2026		S		110,422	D	$4.749(1)	507,209	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. Represents the weighted average sales price per share. The shares sold at prices ranging from $4.735 to $4.785 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	05/05/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Butterfly Network (BFLY) disclose for Megan Carlson?

Butterfly Network reported that CAO and SVP, Finance Megan Carlson sold 110,422 shares of Class A Common Stock in an open-market transaction. The sale occurred on May 1, 2026, and was reported on a Form 4 insider trading filing with the SEC.

How many Butterfly Network (BFLY) shares did Megan Carlson retain after the sale?

After the reported sale, Megan Carlson directly holds 507,209 shares of Butterfly Network Class A Common Stock. This post-transaction balance, disclosed in the Form 4, shows she continues to have a substantial equity position in the company despite the open-market sale.

At what price did Megan Carlson’s Butterfly Network (BFLY) shares sell?

The Form 4 shows a weighted average sales price of $4.749 per share for Megan Carlson’s transaction. A footnote explains the shares were sold in multiple trades at prices ranging from $4.735 to $4.785 per share, with full trade details available upon request.

Was Megan Carlson’s Butterfly Network (BFLY) transaction a buy or a sell?

The insider transaction was a sale. The Form 4 identifies the transaction code as “S,” meaning an open-market or private sale of non-derivative Class A Common Stock, and flags the transaction direction as a sell rather than a purchase or derivative exercise.

Does the Butterfly Network (BFLY) Form 4 mention derivative securities for Megan Carlson?

The filing’s derivative summary is empty, indicating no derivative securities transactions, such as option exercises or conversions, were reported for Megan Carlson in this Form 4. Only a sale of non-derivative Class A Common Stock shares was disclosed for the reported date.