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Data sources

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

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 414m ago
HOUSE PTR13m ago
SEC 13F13m ago
ROBINHOOD CHAIN13m ago
SEC FORM 4/Open-market saleVerified data

Chang Hung-Lun (Fred) sold AAOI

*** See Remarks · APPLIED OPTOELECTRONICS, INC. · Common Stock, $.001 par value

Side
SELL
Value
$3.55M
Shares
32.2K
Price
$110.21
Executed
Sep 8, 2026
Disclosed
Sep 10, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Sep 8 executedSep 10, 2026 disclosed

AAOI · 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
39/ 100 · ELEVATED
Methodology →
  • Transaction type+12 / 20

    Open-market sale

  • Relative size+14 / 25

    $3.5M reported value · 11.4% 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 · AAOI

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    8
    MJ
    Murry Stefan J.Chief Financial Officer
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$84K
    1,086 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    8
    KC
    Kuo David C*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$159K
    2,053 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    5
    KC
    Kuo David C*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$35K
    447 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    8
    YJ
    Yeh Shu-Hua (Joshua)*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$93K
    1,202 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    5
    YJ
    Yeh Shu-Hua (Joshua)*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$22K
    287 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    5
    YJ
    Yeh Shu-Hua (Joshua)*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$25K
    323 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    15
    LT
    Lin Chih-Hsiang (Thompson)Director, President and CEO
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$721K
    9,331 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    12
    LT
    Lin Chih-Hsiang (Thompson)Director, President and CEO
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$192K
    2,486 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    12
    LT
    Lin Chih-Hsiang (Thompson)Director, President and CEO
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$208K
    2,691 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    12
    LT
    Lin Chih-Hsiang (Thompson)Director, President and CEO
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$167K
    2,165 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    8
    CF
    Chang Hung-Lun (Fred)*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$227K
    2,940 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    5
    KC
    Kuo David C*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$44K
    567 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    5
    YJ
    Yeh Shu-Hua (Joshua)*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$31K
    406 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    5
    KC
    Kuo David C*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$40K
    519 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    8
    CF
    Chang Hung-Lun (Fred)*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$52K
    677 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    11
    MJ
    Murry Stefan J.Chief Financial Officer
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$253K
    3,267 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    8
    MJ
    Murry Stefan J.Chief Financial Officer
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$58K
    746 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    8
    MJ
    Murry Stefan J.Chief Financial Officer
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$65K
    846 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    8
    CF
    Chang Hung-Lun (Fred)*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$52K
    674 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    8
    CF
    Chang Hung-Lun (Fred)*** See Remarks
    AAOIAPPLIED OPTOELECTRONICS, INC.
    Tax withholding
    		F$66K
    850 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC 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
    0001683168-26-007059
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Sep 8, 2026
    Published
    Sep 10, 2026
    Ingested by INSIDER
    Nov 5, 02:18 UTC
    Last re-read
    Nov 5, 02:18 UTC

    Extracted facts

    Filer
    Chang Hung-Lun (Fred)
    Role
    *** See Remarks
    Transaction
    Open-market saleAs filed: “S”
    Asset
    APPLIED OPTOELECTRONICS, INC.
    Ticker
    AAOI
    Shares
    32.2K
    Price per share
    $110.21
    Value
    $3,545,676
    Execution date (reported)
    Sep 8, 2026
    Owned after transaction
    249.3K shares
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 32.2K
    • Price: $110.21

    = $3,545,676

    What this establishes

    Chang Hung-Lun (Fred) filed this Form 4 reporting a open-market sale of AAOI on Sep 8, 2026. It became public on Sep 10, 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
    *** See Remarks
    Chang Hung-Lun (Fred)cik:0001587462
    Issuer
    APPLIED OPTOELECTRONICS, INC.cik:0001158114

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.