INSIDER
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources

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

RH CHAIN…
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 41h ago
HOUSE PTR1h ago
SEC 13F1h ago
ROBINHOOD CHAIN1h ago
SEC FORM 4/Grant or awardVerified data

Chang John B. reported CCOI

VP & CHIEF LEGAL OFFICER · COGENT COMMUNICATIONS HOLDINGS, INC. · common stock

Side
A
Value
—
Shares
2,400
Price
—
Executed
Dec 1, 2025
Disclosed
Dec 2, 2025
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Dec 1 executedDec 2, 2025 disclosed

CCOI · 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
9/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Grant or award — administrative, little informational value

  • Relative size+1 / 25

No reported dollar value · 3.1% of prior position

  • Filing timing0 / 15

    Disclosed 1 business day after execution (deadline: 2)

  • Historical behavior+8 / 15

    First recorded trade by this actor 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

    • 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 · CCOI

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    13
    DP
    de Sa PaulDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Sep 30, 2026Sep 30, 2026
    traded Sep 30, 2026
    		+0dSEC FORM 4

    Evidence

    17
    KL
    Kennedy Sheryl LynnDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Sep 30, 2026Sep 30, 2026
    traded Sep 30, 2026
    		+0dSEC FORM 4

    Evidence

    9
    MM
    Montagner MarcDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Sep 30, 2026Sep 30, 2026
    traded Sep 30, 2026
    		+0dSEC FORM 4

    Evidence

    13
    HN
    Howard Eve NDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Sep 30, 2026Sep 30, 2026
    traded Sep 30, 2026
    		+0dSEC FORM 4

    Evidence

    13
    HC
    Howell Deneen CDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Sep 30, 2026Sep 30, 2026
    traded Sep 30, 2026
    		+0dSEC FORM 4

    Evidence

    13
    HC
    Howell Deneen CDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Jun 30, 2026Jul 1, 2026
    traded Jun 30, 2026
    		+1dSEC FORM 4

    Evidence

    13
    DP
    de Sa PaulDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Jun 30, 2026Jul 1, 2026
    traded Jun 30, 2026
    		+1dSEC FORM 4

    Evidence

    13
    HN
    Howard Eve NDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Jun 30, 2026Jul 1, 2026
    traded Jun 30, 2026
    		+1dSEC FORM 4

    Evidence

    17
    KL
    Kennedy Sheryl LynnDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Jun 30, 2026Jun 30, 2026
    traded Jun 30, 2026
    		+0dSEC FORM 4

    Evidence

    13
    DP
    de Sa PaulDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Mar 31, 2026Mar 31, 2026
    traded Mar 31, 2026
    		+0dSEC FORM 4

    Evidence

    13
    HN
    Howard Eve NDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Mar 31, 2026Mar 31, 2026
    traded Mar 31, 2026
    		+0dSEC FORM 4

    Evidence

    13
    HC
    Howell Deneen CDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Mar 31, 2026Mar 31, 2026
    traded Mar 31, 2026
    		+0dSEC FORM 4

    Evidence

    17
    KL
    Kennedy Sheryl LynnDirector
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    3,445 sh
    		Mar 31, 2026Mar 31, 2026
    traded Mar 31, 2026
    		+0dSEC FORM 4

    Evidence

    27
    HA
    Harris Mark AndrewVP & Chief Revenue Officer
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    5,000 sh
    		Dec 31, 2025Jan 5, 2026
    traded Dec 31, 2025
    		+5dSEC FORM 4

    Evidence

    27
    HA
    Harris Mark AndrewVP & Chief Revenue Officer
    CCOICOGENT COMMUNICATIONS HOLDINGS, INC.
    Grant or award
    		A—
    100.0K sh
    		Dec 31, 2025Jan 5, 2026
    traded Dec 31, 2025
    		+5dSEC 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
    0001775672-25-000005
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Dec 1, 2025
    Published
    Dec 2, 2025
    Ingested by INSIDER
    Nov 5, 04:30 UTC
    Last re-read
    Nov 5, 04:30 UTC

    Extracted facts

    Filer
    Chang John B.
    Role
    VP & CHIEF LEGAL OFFICER
    Transaction
    Grant or awardAs filed: “A”
    Asset
    COGENT COMMUNICATIONS HOLDINGS, INC.
    Ticker
    CCOI
    Shares
    2,400
    Price per share
    $0
    Execution date (reported)
    Dec 1, 2025
    Owned after transaction
    79.2K shares
    Days from execution to publication
    1

    What this establishes

    Chang John B. filed this Form 4 reporting a grant or award of CCOI on Dec 1, 2025. It became public on Dec 2, 2025. 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
    VP & CHIEF LEGAL OFFICER
    Chang John B.cik:0001775672
    Issuer
    COGENT COMMUNICATIONS HOLDINGS, INC.cik:0001158324

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.