LARRY ROBBINS - 11 Dec 2025 Form 4 Insider Report for Butterfly Network, Inc. (BFLY)

Role: Director, 10%+ Owner
Signature: /s/ Larry Robbins
Issuer symbol: BFLY
Transactions as of: 11 Dec 2025
Transactions value $: $64,471
Form type: 4
Filing time: 15 Dec 2025, 18:20:36 UTC
Previous filing: 05 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
ROBBINS LARRY	Director, 10%+ Owner	520 MADISON AVENUE, 33RD FLOOR, NEW YORK	/s/ Larry Robbins	15 Dec 2025	0001228603

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BFLY	Class A Common Stock	Purchase	$64.5K	+21.4K	+0.15%	$3.02	14.3M	11 Dec 2025	See footnotes	F1, F2, F3, F5
holding	BFLY	Class A Common Stock						4.55M	11 Dec 2025	See footnotes	F4, F5
holding	BFLY	Class A Common Stock						366K	11 Dec 2025	Direct	F6

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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").
F2	This price reflects the weighted average price for open-market purchases of Shares on December 11, 2025 within a $1.00 range. The actual prices for these transactions range from $3.015 to $3.02, 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.
F3	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.
F4	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.
F5	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.
F6	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.