Larry Robbins - 13 Aug 2026 Form 4 Insider Report for Butterfly Network, Inc. (BFLY)

Reporting relationship: Director
Issuer ticker: BFLY
Reported as of: 13 Aug 2026
Net transaction value: -$20,622,493
SEC form: 4
Accepted by SEC: 17 Aug 2026, 19:01:37 UTC
Prior SEC filing: 03 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Larry Robbins

Key filing fact

Larry Robbins filed Form 4 for Butterfly Network, Inc. (BFLY) on 17 Aug 2026.

Key facts

This page summarizes Larry Robbins's Form 4 filing for Butterfly Network, Inc. (BFLY).
5 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 17 Aug 2026, 19:01.

Change

Previous filing in this sequence was filed on 03 Aug 2026.
Current net transaction value: -$20,622,493.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001228603 Primary reporting owner

ROBBINS LARRY

Relationship: Director
Address: 520 MADISON AVENUE, 33RD FLOOR, NEW YORK
Signature: /s/ Larry Robbins
Signature date: 17 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BFLY transaction

Class A Common Stock

Sale

Transaction value: $2,053,710
Shares: -215,233
Change %: -1.7%
Price: $9.54
Shares after: 12,243,530
Date: 13 Aug 2026
Ownership: See footnotes
Footnotes: F1, F2, F3, F5

BFLY transaction

Class A Common Stock

Sale

Transaction value: $4,617,750
Shares: -500,000
Change %: -4.1%
Price: $9.24
Shares after: 11,743,530
Date: 13 Aug 2026
Ownership: See footnotes
Footnotes: F3, F5, F6, F7

BFLY transaction

Class A Common Stock

Sale

Transaction value: $1,553,228
Shares: -175,300
Change %: -3.9%
Price: $8.86
Shares after: 4,371,387
Date: 13 Aug 2026
Ownership: See footnotes
Footnotes: F4, F5, F8

BFLY transaction

Class A Common Stock

Sale

Transaction value: $7,172,663
Shares: -824,700
Change %: -19%
Price: $8.70
Shares after: 3,546,687
Date: 14 Aug 2026
Ownership: See footnotes
Footnotes: F4, F5, F9

BFLY transaction

Class A Common Stock

Sale

Transaction value: $5,225,142
Shares: -582,500
Change %: -16%
Price: $8.97
Shares after: 2,964,187
Date: 17 Aug 2026
Ownership: See footnotes
Footnotes: F4, F5, F10

BFLY holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 390,952
Date: 13 Aug 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 10 footnotes

Footnote F1

These shares of the Issuer's common stock, par value $0.0001 per share (the "Shares"), were sold by Glenview Offshore Opportunity Master Fund, Ltd. and Glenview Healthcare Master Fund, L.P.

Footnote F2

This price reflects the weighted average price for open-market sales of Shares on August 13, 2026 within a $1.00 range. The actual prices for these transactions range from $9.43 to $9.575, 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 sold at each separate price.

Footnote F3

Glenview Capital Master Fund, Ltd., Glenview Offshore Opportunity Master Fund, Ltd. and Glenview Healthcare Master Fund, L.P. (collectively, the "Glenview Investment Funds") are the record holders of these Shares. Mr. Robbins is the Founder, Portfolio Manager and CIO 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.

Footnote 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.

Footnote 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.

Footnote F6

These Shares were sold by Glenview Offshore Opportunity Master Fund, Ltd.

Footnote F7

This price reflects the weighted average price for open-market sales of Shares on August 13, 2026 within a $1.00 range. The actual prices for these transactions range from $9.035 to $9.3408, 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 sold at each separate price.

Footnote F8

This price reflects the weighted average price for open-market sales of Shares on August 13, 2026 within a $1.00 range. The actual prices for these transactions range from $8.86 to $9.12, 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 sold at each separate price.

Footnote F9

This price reflects the weighted average price for open-market sales of Shares on August 14, 2026 within a $1.00 range. The actual prices for these transactions range from $8.36 to $8.94, 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 sold at each separate price.

Footnote F10

This price reflects the weighted average price for open-market sales of Shares on August 17, 2026 within a $1.00 range. The actual prices for these transactions range from $8.85 to $9.07, 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 sold at each separate price.