Sec Form 4 Filing - ROBBINS LARRY @ Butterfly Network, Inc. - 2021-03-10

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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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 _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 767 FIFTH AVENUE, 44TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 03/10/2021 (Street) NEW YORK, NY10153 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 03/10/2021 A 13,157 ( 1 ) A $ 0 13,157 D Class A Common Stock 15,049,846 I See footnote ( 2 ) ( 3 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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, NY10153 X Signatures /s/ Mary Miller, Attorney-in-Fact 03/12/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over three years beginning on February 16, 2022, subject to Mr. Robbins' continued service through the applicable vesting date. ( 2 )Longview Investors LLC ("Longview"), or its affiliates, is the record holder of 10,275,000 of the shares reported herein. Mr. Robbins is the managing member of Longview. Mr. Robbins shares voting and dispositive power over the shares held by Longview and may be deemed to beneficially own such shares. Glenview Capital Partners, L.P., Glenview Institutional Partners, L.P., Glenview Capital Master Fund, LTD., Glenview Capital Opportunity Fund, L.P. and Glenview Offshore Opportunity Master Fund, LTD. (the "Glenview Investment Funds") are the record holders of an aggregate of 4,774,846 of the shares reported herein. 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. ( 3 )Mr. Robbins disclaims beneficial ownership over any shares owned by Longview and the Glenview Investment Funds other than to the extent of any pecuniary interest he may have therein.

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).

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