Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * ROBBINS LARRY 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) (Last) (First) (Middle) 767 FIFTH AVENUE, 44TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 12/03/2025 (Street) NEW YORK, NY 10153 4. If Amendment, Date 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 (City) (State) (Zip) 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 12/03/2025 P 821,648(1) A $2.9619(2) 13,576,792 I See footnotes(5)(7) Class A Common Stock 12/04/2025 P 536,893(1) A $2.9947(3) 14,113,685 I See footnotes(5)(7) Class A Common Stock 12/05/2025 P 200,000(1) A $3.0565(4) 14,313,685 I See footnotes(5)(7) Class A Common Stock 4,546,687 I See footnotes(6)(7) Class A Common Stock 365,505(8) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities (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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ROBBINS LARRY 767 FIFTH AVENUE, 44TH FLOOR NEW YORK, NY 10153	X	X

Signatures

/s/ Larry Robbins		12/05/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	These shares of the Issuer's Common Stock, par value $0.0001 per share (the "Shares") were purchased by Glenview Capital Master Fund, Ltd., Glenview Offshore Opportunity Master Fund, Ltd. and Glenview Healthcare Master Fund, L.P. (collectively, the "Glenview Investment Funds").
(2)	This price reflects the weighted average price for open-market purchases of Shares on December 3, 2025 within a $1.00 range. The actual prices for these transactions range from $2.83 to $2.97, inclusive. Mr. Robbins further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares purchased at each separate price.
(3)	This price reflects the weighted average price for open-market purchases of Shares on December 4, 2025 within a $1.00 range. The actual prices for these transactions range from $2.865 to $3.06, inclusive. Mr. Robbins further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares purchased at each separate price.
(4)	This price reflects the weighted average price for open-market purchases of Shares on December 5, 2025 within a $1.00 range. The actual prices for these transactions range from $3.0123 to $3.06, inclusive. Mr. Robbins further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares purchased at each separate price.
(5)	The Glenview Investment Funds are the record holders of these Shares. Mr. Robbins is the Founder, Portfolio Manager and CEO of Glenview Capital Management, LLC, which serves as investment manager to each of the Glenview Investment Funds. Mr. Robbins shares voting and dispositive power over the Shares held by the Glenview Investment Funds and may be deemed to beneficially own such Shares.
(6)	Longview Investors LLC ("Longview"), or its affiliates, is the record holder of these securities. Mr. Robbins is the managing member of Longview. Mr. Robbins shares voting and dispositive power over the securities held by Longview and may be deemed to beneficially own such securities.
(7)	Mr. Robbins disclaims beneficial ownership over any securities owned by Longview and the Glenview Investment Funds other than to the extent of any pecuniary interest he may have therein.
(8)	Includes 80,434 unvested restricted stock units ("RSUs"). Each RSU represents the right to receive one Share upon vesting. The RSUs vest in full on the date of the Issuer's 2026 Annual Stockholders Meeting, subject to Mr. Robbins' continued service on the Board of Directors on such date.

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