What insider share sales did Butterfly Network (BFLY) report for Jonathan M. Rothberg?

Jonathan M. Rothberg reported open-market sales of 4,013,452 shares of Butterfly Network Class A and Class B common stock. The transactions occurred on July 14–16, 2026 and were executed across multiple trades during those three days.

Were Jonathan Rothberg’s Butterfly Network (BFLY) share sales under a Rule 10b5-1 plan?

Yes. The transactions were effected under a Rule 10b5-1 trading plan adopted by Rothberg on March 13, 2026 for estate planning purposes, indicating they were pre-arranged rather than spontaneously timed.

Butterfly Network director reports sale of 4,013,452 shares

Q: At what prices did Jonathan Rothberg sell Butterfly Network (BFLY) shares?

Rothberg’s sales were executed at weighted average prices, with individual trades occurring between $6.845 and $8.00 per share. Reported per‑trade averages include $7.7178, $7.3228, and $7.0889 for different sale dates.

Q: What types of Butterfly Network (BFLY) stock did Jonathan Rothberg sell?

Rothberg reported sales of both Class A and Class B common stock. Footnotes state that the Class B common stock automatically converted into Class A common stock on a one-to-one basis upon sale in accordance with its terms.

Q: How many Butterfly Network (BFLY) shares did Jonathan Rothberg sell directly versus indirectly?

Reported sales include direct sales of Class A common stock and an indirect sale of Class B common stock held by JNR TR, LLC. In total, these transactions amount to 4,013,452 shares sold across both direct and indirect holdings.

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Rhea-AI Filing Summary

Butterfly Network, Inc. director and 10% owner Jonathan M. Rothberg reported open-market sales totaling 4,013,452 shares of Class A and Class B common stock on July 14–16, 2026, at prices between $6.845 and $8.00 per share under a pre-arranged Rule 10b5-1 trading plan adopted on March 13, 2026 for estate planning purposes. He continues to hold Butterfly Network shares directly and through several LLCs and trusts.

Insider Trade Summary 10b5-1

Net Seller: 4,013,452 shares

Net Sell 13 txns

Insider ROTHBERG JONATHAN M

Role Director, 10% Owner

Sold 4,013,452 shs ($29.37M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock ^{F1, F4}	253,867	$7.0889	$1.80M
Sale	Class B Common Stock ^{F5, F1, F6, F7}	1,213,634	$7.0889	$8.60M
Sale	Class A Common Stock ^{F1, F3}	1,730,319	$7.3228	$12.67M
Sale	Class A Common Stock ^{F1, F2}	815,632	$7.7178	$6.29M
holding	Class A Common Stock ^F7	--	--	--
holding	Class B Common Stock ^F7	--	--	--
holding	Class B Common Stock ^F7	--	--	--
holding	Class B Common Stock ^F7	--	--	--
holding	Class B Common Stock ^F7	--	--	--
holding	Class B Common Stock ^F7	--	--	--
holding	Class B Common Stock ^F7	--	--	--
holding	Class B Common Stock ^F7	--	--	--
holding	Class B Common Stock ^F7	--	--	--

Holdings After Transaction: Class A Common Stock — 105,881 shares (Direct); Class B Common Stock — 36,366 shares (Indirect, By JNR TR, LLC); Class A Common Stock — 726,696 shares (Indirect, By Bonnie E Gould Rothberg MD); Class B Common Stock — 4,716,596 shares (Indirect, By 4C Holdings I, LLC); Class B Common Stock — 2,621,701 shares (Indirect, By 4C Holdings II, LLC); Class B Common Stock — 2,621,701 shares (Indirect, By 4C Holdings III, LLC); Class B Common Stock — 2,621,701 shares (Indirect, By 4C Holdings IV, LLC); Class B Common Stock — 8,845,238 shares (Indirect, By 4C Holdings V, LLC); Class B Common Stock — 1,250,000 shares (Indirect, By NVR TR, LLC); Class B Common Stock — 1,250,000 shares (Indirect, By GBR TR, LLC); Class B Common Stock — 1,250,000 shares (Indirect, By EJR TR, LLC)

Footnotes (7)

F1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026 for estate planning purposes.
F2. Represents the weighted average sales price per share. The shares sold at prices ranging from $7.545 to $8.00 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.
F3. Represents the weighted average sales price per share. The shares sold at prices ranging from $7.0873 to $7.83 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.
F4. Represents the weighted average sales price per share. The shares sold at prices ranging from $6.845 to $7.45 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.
F5. In accordance with its terms, the Class B common stock automatically converted into Class A common stock, on a one-to-one basis, upon sale.
F6. Represents the weighted average sales price per share. The shares sold at prices ranging from $6.845 to $7.45 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.
F7. Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

Key Figures

Total shares sold: 4,013,452 shares July 14, 2026 Class A sale: 815,632 shares at $7.7178 per share July 15, 2026 Class A sale: 1,730,319 shares at $7.3228 per share +3 more

6 metrics

Total shares sold 4,013,452 shares Aggregate open-market sales of Butterfly Network stock reported for July 14–16, 2026

July 14, 2026 Class A sale 815,632 shares at $7.7178 per share Open-market sale of Class A common stock on July 14, 2026

July 15, 2026 Class A sale 1,730,319 shares at $7.3228 per share Open-market sale of Class A common stock on July 15, 2026

July 16, 2026 Class B sale 1,213,634 shares at $7.0889 per share Open-market sale of Class B common stock held indirectly through JNR TR, LLC

July 16, 2026 Class A sale 253,867 shares at $7.0889 per share Open-market sale of Class A common stock on July 16, 2026

Overall sale price range $6.845–$8.00 per share Price ranges for individual trades underlying the reported weighted average sale prices

Key Terms

Rule 10b5-1 trading plan, weighted average sales price per share, pecuniary interest

3 terms

Rule 10b5-1 trading plan regulatory

"transactions were effected pursuant to a Rule 10b5-1 trading plan adopted"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

pecuniary interest regulatory

"disclaims beneficial ownership of the securities held by these persons except to the extent of his pecuniary interest"

FAQ

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

At what prices did Jonathan Rothberg sell Butterfly Network (BFLY) shares?

Rothberg’s sales were executed at weighted average prices, with individual trades occurring between $6.845 and $8.00 per share. Reported per‑trade averages include $7.7178, $7.3228, and $7.0889 for different sale dates.

What types of Butterfly Network (BFLY) stock did Jonathan Rothberg sell?

Rothberg reported sales of both Class A and Class B common stock. Footnotes state that the Class B common stock automatically converted into Class A common stock on a one-to-one basis upon sale in accordance with its terms.

Does Jonathan M. Rothberg still hold Butterfly Network (BFLY) shares after these sales?

Yes. After the reported transactions, Rothberg continues to hold Butterfly Network shares directly and indirectly through several LLCs, trusts, and a related individual, as described in the ownership and relationship footnotes.

How many Butterfly Network (BFLY) shares did Jonathan Rothberg sell directly versus indirectly?

Reported sales include direct sales of Class A common stock and an indirect sale of Class B common stock held by JNR TR, LLC. In total, these transactions amount to 4,013,452 shares sold across both direct and indirect holdings.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 07/16/2026 - 08:18 PM EDT

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^*

ROTHBERG JONATHAN M

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/14/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	07/14/2026		S⁽¹⁾		815,632	D	$7.7178⁽²⁾	2,090,067	D
Class A Common Stock	07/15/2026		S⁽¹⁾		1,730,319	D	$7.3228⁽³⁾	359,748	D
Class A Common Stock	07/16/2026		S⁽¹⁾		253,867	D	$7.0889⁽⁴⁾	105,881	D
Class B Common Stock⁽⁵⁾	07/16/2026		S⁽¹⁾		1,213,634	D	$7.0889⁽⁶⁾	36,366	I	By JNR TR, LLC⁽⁷⁾
Class A Common Stock								726,696	I	By Bonnie E Gould Rothberg MD⁽⁷⁾
Class B Common Stock								4,716,596	I	By 4C Holdings I, LLC⁽⁷⁾
Class B Common Stock								2,621,701	I	By 4C Holdings II, LLC⁽⁷⁾
Class B Common Stock								2,621,701	I	By 4C Holdings III, LLC⁽⁷⁾
Class B Common Stock								2,621,701	I	By 4C Holdings IV, LLC⁽⁷⁾
Class B Common Stock								8,845,238	I	By 4C Holdings V, LLC⁽⁷⁾
Class B Common Stock								1,250,000	I	By NVR TR, LLC⁽⁷⁾
Class B Common Stock								1,250,000	I	By GBR TR, LLC⁽⁷⁾
Class B Common Stock								1,250,000	I	By EJR TR, LLC⁽⁷⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026 for estate planning purposes.

2. Represents the weighted average sales price per share. The shares sold at prices ranging from $7.545 to $8.00 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.

3. Represents the weighted average sales price per share. The shares sold at prices ranging from $7.0873 to $7.83 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.

4. Represents the weighted average sales price per share. The shares sold at prices ranging from $6.845 to $7.45 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.

5. In accordance with its terms, the Class B common stock automatically converted into Class A common stock, on a one-to-one basis, upon sale.

6. Represents the weighted average sales price per share. The shares sold at prices ranging from $6.845 to $7.45 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.

7. Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

	/s/ Jonathan M. Rothberg, Ph.D.	07/16/2026
	** 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)

Source: View Original Filing on SEC EDGAR