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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 ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Corporate insider
CF

Chang Hung-Lun (Fred)

*** See RemarksCIK 0001587462

EDGAR filingsOpen in network
Disclosed transactions13
Buys / sells0 / 1
Max Insider Score39
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
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

Verified connections

  • Insider ofevidence
    APPLIED OPTOELECTRONICS, INC.*** See Remarks · Jan 26, 2026
8
CF
Chang Hung-Lun (Fred)*** See Remarks
AAOIAPPLIED OPTOELECTRONICS, INC.
Tax withholding
F
$52K
674 sh
Oct 22, 2026
Oct 26, 2026
traded Oct 22, 2026
+4d
SEC 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

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

39
CF
Chang Hung-Lun (Fred)*** See Remarks
AAOIAPPLIED OPTOELECTRONICS, INC.
Open-market sale
SELL$3.55M
32.2K sh
Sep 8, 2026Sep 10, 2026
traded Sep 8, 2026
+2dSEC FORM 4

Evidence

12
CF
Chang Hung-Lun (Fred)*** See Remarks
AAOIAPPLIED OPTOELECTRONICS, INC.
Tax withholding
F$102K
677 sh
Apr 22, 2026Apr 24, 2026
traded Apr 22, 2026
+2dSEC FORM 4

Evidence

15
CF
Chang Hung-Lun (Fred)*** See Remarks
AAOIAPPLIED OPTOELECTRONICS, INC.
Tax withholding
F$443K
2,940 sh
Apr 22, 2026Apr 24, 2026
traded Apr 22, 2026
+2dSEC FORM 4

Evidence

12
CF
Chang Hung-Lun (Fred)*** See Remarks
AAOIAPPLIED OPTOELECTRONICS, INC.
Tax withholding
F$101K
673 sh
Apr 22, 2026Apr 24, 2026
traded Apr 22, 2026
+2dSEC FORM 4

Evidence

12
CF
Chang Hung-Lun (Fred)*** See Remarks
AAOIAPPLIED OPTOELECTRONICS, INC.
Tax withholding
F$128K
850 sh
Apr 22, 2026Apr 24, 2026
traded Apr 22, 2026
+2dSEC FORM 4

Evidence

12
CF
Chang Hung-Lun (Fred)*** See Remarks
AAOIAPPLIED OPTOELECTRONICS, INC.
Tax withholding
F$72K
1,874 sh
Jan 22, 2026Jan 26, 2026
traded Jan 22, 2026
+4dSEC FORM 4

Evidence

12
CF
Chang Hung-Lun (Fred)*** See Remarks
AAOIAPPLIED OPTOELECTRONICS, INC.
Tax withholding
F$113K
2,940 sh
Jan 22, 2026Jan 26, 2026
traded Jan 22, 2026
+4dSEC FORM 4

Evidence

9
CF
Chang Hung-Lun (Fred)*** See Remarks
AAOIAPPLIED OPTOELECTRONICS, INC.
Tax withholding
F$26K
674 sh
Jan 22, 2026Jan 26, 2026
traded Jan 22, 2026
+4dSEC FORM 4

Evidence

9
CF
Chang Hung-Lun (Fred)*** See Remarks
AAOIAPPLIED OPTOELECTRONICS, INC.
Tax withholding
F$33K
850 sh
Jan 22, 2026Jan 26, 2026
traded Jan 22, 2026
+4dSEC FORM 4

Evidence

Data sources
SEC FORM 42m ago
HOUSE PTR2m ago
SEC 13F1m ago
ROBINHOOD CHAIN1m ago