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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 ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 45h ago
HOUSE PTR5h ago
SEC 13F5h ago
ROBINHOOD CHAIN5h ago
SEC FORM 4/Open-market purchaseVerified dataRule 10b5-1 plan

Huang Jack Jiajia bought COE

Director, Chief Executive Officer, 10% Owner · 51Talk Online Education Group · Class A Ordinary Share, par value US$0.0001

Side
BUY
Value
$2.15M
Shares
122.6K
Price
$17.54
Executed
Jul 31, 2026
Disclosed
Aug 10, 2026
Disclosure timeline10 days from execution to publication · legal deadline 2 business days
Jul 31 executedAug 10, 2026 disclosed

COE · 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
34/ 100 · ELEVATED
Methodology →
  • Transaction type+20 / 20

    Open-market purchase

  • Relative size+10 / 25

    $2.2M reported value · 0.4% of prior position

  • Filing timing+10 / 15

    Disclosed 6 business days after execution (deadline: 2)

  • Historical behavior+4 / 15

    1 prior trade recorded in this security

  • Frequency & clustering0 / 15

    No clustered activity in the dataset

  • Market events0 / 10

    No material company filing within 60 days after the trade

  • Pre-arranged plan-10

    Executed under a Rule 10b5-1 trading plan

    • 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 · COE

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    20
    ST
    Shu TingDirector
    COE51Talk Online Education Group
    Option exercise
    		M—
    137.5K sh
    		Aug 18, 2026Oct 8, 2026
    traded Aug 18, 2026
    		+51dSEC FORM 4

    Evidence

    11
    ST
    Shu TingDirector
    COE51Talk Online Education Group
    Option exercise
    		M—
    18.2K sh
    		Oct 1, 2026Oct 8, 2026
    traded Oct 1, 2026
    		+7dSEC FORM 4

    Evidence

    11
    ST
    Shu TingDirector
    COE51Talk Online Education Group
    Tax withholding
    		F$42K
    4,020 sh
    		Oct 2, 2026Oct 8, 2026
    traded Oct 2, 2026
    		+6dSEC FORM 4

    Evidence

    57
    ST
    Shu TingDirector
    COE51Talk Online Education Group
    Open-market purchase
    		BUY—
    7.56M sh
    		Apr 10, 2026Oct 8, 2026
    traded Apr 10, 2026
    		+181dSEC FORM 4

    Evidence

    23
    ST
    Shu TingDirector
    COE51Talk Online Education Group
    Option exercise
    		M—
    18.2K sh
    		Oct 1, 2026Oct 8, 2026
    traded Oct 1, 2026
    		+7dSEC FORM 4

    Evidence

    28
    ST
    Shu TingDirector
    COE51Talk Online Education Group
    Option exercise
    		M—
    137.5K sh
    		Aug 18, 2026Oct 8, 2026
    traded Aug 18, 2026
    		+51dSEC FORM 4

    Evidence

    41
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Open-market purchase
    		BUY$3.49M
    304.0K sh
    		Sep 17, 2026Oct 8, 2026
    traded Sep 17, 2026
    		+21dSEC FORM 4

    Evidence

    32
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Open-market purchase
    		BUY$22K
    1,920 sh
    		Sep 18, 2026Oct 8, 2026
    traded Sep 18, 2026
    		+20dSEC FORM 4

    Evidence

    41
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Open-market purchase
    		BUY$4.35M
    378.4K sh
    		Sep 22, 2026Oct 8, 2026
    traded Sep 22, 2026
    		+16dSEC FORM 4

    Evidence

    44
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Open-market purchase
    		BUY$10.32M
    897.3K sh
    		Sep 23, 2026Oct 8, 2026
    traded Sep 23, 2026
    		+15dSEC FORM 4

    Evidence

    32
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Open-market purchase
    		BUY$33K
    2,880 sh
    		Sep 24, 2026Oct 8, 2026
    traded Sep 24, 2026
    		+14dSEC FORM 4

    Evidence

    44
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Open-market purchase
    		BUY$14.12M
    1.23M sh
    		Sep 25, 2026Oct 8, 2026
    traded Sep 25, 2026
    		+13dSEC FORM 4

    Evidence

    8
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Option exercise
    		M—
    18.2K sh
    		Oct 1, 2026Oct 8, 2026
    traded Oct 1, 2026
    		+7dSEC FORM 4

    Evidence

    8
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Tax withholding
    		F$42K
    4,020 sh
    		Oct 2, 2026Oct 8, 2026
    traded Oct 2, 2026
    		+6dSEC FORM 4

    Evidence

    20
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Option exercise
    		M—
    18.2K sh
    		Oct 1, 2026Oct 8, 2026
    traded Oct 1, 2026
    		+7dSEC FORM 4

    Evidence

    0
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Option exercise · 10b5-1 plan
    		M—
    137.5K sh
    		Aug 18, 2026Aug 21, 2026
    traded Aug 18, 2026
    		+3dSEC FORM 4

    Evidence

    48
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Open-market purchase · 10b5-1 plan
    		BUY$3.19M
    151.6K sh
    		Apr 10, 2026Aug 21, 2026
    traded Apr 10, 2026
    		+133dSEC FORM 4

    Evidence

    28
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Open-market purchase · 10b5-1 plan
    		BUY$737K
    35.4K sh
    		Aug 13, 2026Aug 21, 2026
    traded Aug 13, 2026
    		+8dSEC FORM 4

    Evidence

    6
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Option exercise · 10b5-1 plan
    		M—
    137.5K sh
    		Aug 18, 2026Aug 21, 2026
    traded Aug 18, 2026
    		+3dSEC FORM 4

    Evidence

    21
    HJ
    Huang Jack JiajiaDirector, Chief Executive Officer, 10% Owner
    COE51Talk Online Education Group
    Open-market purchase · 10b5-1 plan
    		BUY$5.00M
    254.8K sh
    		Aug 11, 2026Aug 13, 2026
    traded Aug 11, 2026
    		+2dSEC 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
    0002029760-26-000006
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Jul 31, 2026
    Published
    Aug 10, 2026
    Ingested by INSIDER
    Nov 5, 02:24 UTC
    Last re-read
    Nov 5, 02:24 UTC

    Extracted facts

    Filer
    Huang Jack Jiajia
    Role
    Director, Chief Executive Officer, 10% Owner
    Transaction
    Open-market purchaseAs filed: “P”
    Asset
    51Talk Online Education Group
    Ticker
    COE
    Shares
    122.6K
    Price per share
    $17.54
    Value
    $2,150,053
    Execution date (reported)
    Jul 31, 2026
    Owned after transaction
    33.82M shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    10

    Calculation

    Value = shares × reported price per share

    • Shares: 122.6K
    • Price: $17.54

    = $2,150,053

    What this establishes

    Huang Jack Jiajia filed this Form 4 reporting a open-market purchase of COE on Jul 31, 2026. It became public on Aug 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
    Director, Chief Executive Officer, 10% Owner
    Huang Jack Jiajiacik:0002029760
    Issuer
    51Talk Online Education Groupcik:0001659494

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.