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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

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OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 44h ago
HOUSE PTR4h ago
SEC 13F4h ago
ROBINHOOD CHAIN4h ago
SEC FORM 4/Open-market saleVerified data

Ku Victor sold BFLY

Chief Technology Officer · Butterfly Network, Inc. · Class A Common Stock

Side
SELL
Value
$137K
Shares
36.0K
Price
$3.82
Executed
Jan 5, 2026
Disclosed
Jan 7, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Jan 5 executedJan 7, 2026 disclosed

BFLY · daily

Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.

Insider Score

Experimental signal
29/ 100 · ROUTINE
Methodology →
  • Transaction type+12 / 20

    Open-market sale

  • Relative size+4 / 25

    $137K reported value · 4.2% of prior position

  • Filing timing0 / 15

    Disclosed 2 business days after execution (deadline: 2)

  • Historical behavior+8 / 15

    First recorded trade by this actor in this security

  • Frequency & clustering+5 / 15

    1 other actor traded the same direction within 14 days

  • Market events0 / 10

    No material company filing within 60 days after the trade

    • The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.

    Other disclosed activity · BFLY

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    20
    DJ
    Devivo JosephDirector, President & CEO
    BFLYButterfly Network, Inc.
    Open-market sale
    		SELL$635K
    90.6K sh
    		Oct 30, 2026Nov 3, 2026
    traded Oct 30, 2026
    		+4dSEC FORM 4

    Evidence

    9
    NM
    Noonen MichaelDirector
    BFLYButterfly Network, Inc.
    Grant or award
    		A—
    37.0K sh
    		Oct 13, 2026Oct 15, 2026
    traded Oct 13, 2026
    		+2dSEC FORM 4

    Evidence

    12
    DJ
    Devivo JosephDirector, President & CEO
    BFLYButterfly Network, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$359K
    35.8K sh
    		Oct 6, 2026Oct 8, 2026
    traded Oct 6, 2026
    		+2dSEC FORM 4

    Evidence

    25
    CM
    Carlson MeganCAO and SVP, Finance
    BFLYButterfly Network, Inc.
    Open-market sale
    		SELL$88K
    10.1K sh
    		Oct 2, 2026Oct 6, 2026
    traded Oct 2, 2026
    		+4dSEC FORM 4

    Evidence

    6
    DJ
    Devivo JosephDirector, President & CEO
    BFLYButterfly Network, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$32K
    3,169 sh
    		Sep 23, 2026Sep 24, 2026
    traded Sep 23, 2026
    		+1dSEC FORM 4

    Evidence

    6
    DJ
    Devivo JosephDirector, President & CEO
    BFLYButterfly Network, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$28K
    2,811 sh
    		Sep 22, 2026Sep 24, 2026
    traded Sep 22, 2026
    		+2dSEC FORM 4

    Evidence

    36
    CM
    Carlson MeganCAO and SVP, Finance
    BFLYButterfly Network, Inc.
    Open-market sale
    		SELL$101K
    13.8K sh
    		Sep 4, 2026Sep 9, 2026
    traded Sep 4, 2026
    		+5dSEC FORM 4

    Evidence

    43
    CS
    Cashman SteveChief Business Officer
    BFLYButterfly Network, Inc.
    Open-market sale
    		SELL$1.02M
    140.1K sh
    		Sep 4, 2026Sep 9, 2026
    traded Sep 4, 2026
    		+5dSEC FORM 4

    Evidence

    27
    CN
    Caezza NicholasDeputy General Counsel
    BFLYButterfly Network, Inc.
    Open-market sale
    		SELL$14K
    1,709 sh
    		Sep 2, 2026Sep 4, 2026
    traded Sep 2, 2026
    		+2dSEC FORM 4

    Evidence

    8
    DJ
    Devivo JosephDirector, President & CEO
    BFLYButterfly Network, Inc.
    Gift
    		G—
    250.0K sh
    		Aug 24, 2026Aug 25, 2026
    traded Aug 24, 2026
    		+1dSEC FORM 4

    Evidence

    43
    PL
    Phanstiel S. LouiseDirector
    BFLYButterfly Network, Inc.
    Open-market purchase
    		BUY$1000K
    115.2K sh
    		Aug 14, 2026Aug 17, 2026
    traded Aug 14, 2026
    		+3dSEC FORM 4

    Evidence

    12
    DJ
    Devivo JosephDirector, President & CEO
    BFLYButterfly Network, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$684K
    68.3K sh
    		Aug 10, 2026Aug 12, 2026
    traded Aug 10, 2026
    		+2dSEC FORM 4

    Evidence

    25
    CN
    Caezza NicholasDeputy General Counsel
    BFLYButterfly Network, Inc.
    Open-market sale
    		SELL$98K
    10.0K sh
    		Aug 11, 2026Aug 12, 2026
    traded Aug 11, 2026
    		+1dSEC FORM 4

    Evidence

    33
    CM
    Carlson MeganCAO and SVP, Finance
    BFLYButterfly Network, Inc.
    Open-market sale
    		SELL$329K
    41.3K sh
    		Jul 2, 2026Jul 7, 2026
    traded Jul 2, 2026
    		+5dSEC FORM 4

    Evidence

    13
    ER
    Edelman Elazer RDirector
    BFLYButterfly Network, Inc.
    Grant or award
    		A—
    25.4K sh
    		Jun 22, 2026Jun 22, 2026
    traded Jun 22, 2026
    		+0dSEC FORM 4

    Evidence

    9
    PL
    Phanstiel S. LouiseDirector
    BFLYButterfly Network, Inc.
    Grant or award
    		A—
    25.4K sh
    		Jun 22, 2026Jun 22, 2026
    traded Jun 22, 2026
    		+0dSEC FORM 4

    Evidence

    5
    RM
    Rothberg Jonathan MDirector, 10% Owner
    BFLYButterfly Network, Inc.
    Grant or award
    		A—
    25.4K sh
    		Jun 22, 2026Jun 22, 2026
    traded Jun 22, 2026
    		+0dSEC FORM 4

    Evidence

    13
    SE
    Schwartz EricaDirector
    BFLYButterfly Network, Inc.
    Grant or award
    		A—
    25.4K sh
    		Jun 22, 2026Jun 22, 2026
    traded Jun 22, 2026
    		+0dSEC FORM 4

    Evidence

    17
    NH
    Neubauer Caroll HDirector
    BFLYButterfly Network, Inc.
    Grant or award
    		A—
    25.4K sh
    		Jun 22, 2026Jun 22, 2026
    traded Jun 22, 2026
    		+0dSEC FORM 4

    Evidence

    13
    RL
    Robbins LarryDirector
    BFLYButterfly Network, Inc.
    Grant or award
    		A—
    25.4K sh
    		Jun 22, 2026Jun 22, 2026
    traded Jun 22, 2026
    		+0dSEC FORM 4

    Evidence

    Evidence

    Verified data

    Read directly from the primary public document; every field below is as reported by the filer.

    Source

    Document
    SEC Form 4
    Publisher
    U.S. Securities and Exchange Commission (EDGAR)
    Document ID
    0002064832-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Jan 5, 2026
    Published
    Jan 7, 2026
    Ingested by INSIDER
    Nov 5, 04:24 UTC
    Last re-read
    Nov 5, 04:24 UTC

    Extracted facts

    Filer
    Ku Victor
    Role
    Chief Technology Officer
    Transaction
    Open-market saleAs filed: “S”
    Asset
    Butterfly Network, Inc.
    Ticker
    BFLY
    Shares
    36.0K
    Price per share
    $3.82
    Value
    $137,398
    Execution date (reported)
    Jan 5, 2026
    Owned after transaction
    812.0K shares
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 36.0K
    • Price: $3.82

    = $137,398

    What this establishes

    Ku Victor filed this Form 4 reporting a open-market sale of BFLY on Jan 5, 2026. It became public on Jan 7, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

    Extraction

    Method
    Form 4 XML
    Confidence
    1.00
    Chief Technology Officer
    Ku Victorcik:0002087062
    Issuer
    Butterfly Network, Inc.cik:0001804176

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.