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BCS

Notice of Proposed Sale · 144

Butterfly Network, Inc.

BFLYNYSEEQUITYCurrent

Notice of Proposed Sale

Filed Oct 30, 2026Accepted Oct 30, 2026, 4:21 PM EDTFiling CIK 1804176Accession 0001628280-26-068586
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Structured filing — 144

primary_doc.xml

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer
Butterfly Network, Inc.
Issuer CIK
0001804176
SEC file number
001-39292
Phone
7815574800
Person for whose account securities are to be sold
Joseph DeVivo
Relationships to issuer
President and CEO
Street
C/O Butterfly Network, Inc
Street (continued)
1600 DISTRICT AVENUE
City
Burlington
State / country code
MA
Postal code
01803

Securities proposed for sale

Securities proposed for sale · 1 reported row
SecurityProposed unitsAggregate market valueUnits outstandingApproximate sale dateExchangeBroker / market maker
Common90,600634,200246,034,99610/30/2026NASDAQMerrill Private Wealth Management

Broker / market maker — proposed row 1, entry 1

Name
Merrill Private Wealth Management
Street
100 Federal Street, 12th Floor
City
Boston
State / country code
MA
Postal code
02110

Acquisition of securities to be sold

Acquisition of securities to be sold · 1 reported row
SecurityAcquiredNature of acquisitionAcquired fromAmount acquiredGift transactionPayment dateNature of payment
Common07/02/2026Restricted Stock UnitsButterfly Network, Inc90,600N07/02/2026Equity Compensation

Prior-sale reporting

Nothing to report for the preceding three months
Y

Notice signature

Notice date
10/30/2026
Signed
Joseph DeVivo

Company context

Current securities

Historical securities (4)

Recent company filings

  1. S-3ASR filingOct 29, 2026
  2. 10-Q filingOct 29, 2026
  3. Results of Operations and Financial ConditionOct 29, 2026
  4. 4 filingOct 15, 2026
  5. 3 filingOct 15, 2026

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