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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 411m ago
HOUSE PTR10m ago
SEC 13F10m ago
ROBINHOOD CHAIN10m ago
SEC FORM 4/Option exerciseVerified dataRule 10b5-1 plan

Deitzel Edward reported MIAX

EVP, CRO, CCO MIAX Exchanges · MIAMI INTERNATIONAL HOLDINGS, INC. · MIAMI INTERNATIONAL HOLDINGS, INC. — Nonqualified Stock Option (Right to Buy)

Side
M
Value
—
Shares
11.0K
Price
—
Executed
Sep 3, 2026
Disclosed
Sep 4, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Sep 3 executedSep 4, 2026 disclosed

MIAX · 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
3/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Option exercise — administrative, little informational value

  • Relative size+9 / 25

No reported dollar value · 20.0% of prior position

  • Filing timing0 / 15

    Disclosed 1 business day after execution (deadline: 2)

  • Historical behavior+4 / 15

    4 prior trades 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 · MIAX

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    0
    CJ
    Comly Barbara J.EVP, GC & Corporate Secretary
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M—
    8,799 sh
    		Nov 4, 2026Nov 4, 2026
    traded Nov 4, 2026
    		+0dSEC FORM 4

    Evidence

    12
    CJ
    Comly Barbara J.EVP, GC & Corporate Secretary
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Open-market sale · 10b5-1 plan
    		SELL$819K
    23.3K sh
    		Nov 2, 2026Nov 4, 2026
    traded Nov 2, 2026
    		+2dSEC FORM 4

    Evidence

    19
    CJ
    Comly Barbara J.EVP, GC & Corporate Secretary
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Open-market sale · 10b5-1 plan
    		SELL$1.96M
    56.0K sh
    		Nov 4, 2026Nov 4, 2026
    traded Nov 4, 2026
    		+0dSEC FORM 4

    Evidence

    7
    CJ
    Comly Barbara J.EVP, GC & Corporate Secretary
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M—
    47.2K sh
    		Nov 4, 2026Nov 4, 2026
    traded Nov 4, 2026
    		+0dSEC FORM 4

    Evidence

    0
    CJ
    Comly Barbara J.EVP, GC & Corporate Secretary
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M—
    23.3K sh
    		Nov 2, 2026Nov 4, 2026
    traded Nov 2, 2026
    		+2dSEC FORM 4

    Evidence

    0
    CJ
    Comly Barbara J.EVP, GC & Corporate Secretary
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M$106K
    8,799 sh
    		Nov 4, 2026Nov 4, 2026
    traded Nov 4, 2026
    		+0dSEC FORM 4

    Evidence

    1
    CJ
    Comly Barbara J.EVP, GC & Corporate Secretary
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M$280K
    23.3K sh
    		Nov 2, 2026Nov 4, 2026
    traded Nov 2, 2026
    		+2dSEC FORM 4

    Evidence

    5
    CJ
    Comly Barbara J.EVP, GC & Corporate Secretary
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M$567K
    47.2K sh
    		Nov 4, 2026Nov 4, 2026
    traded Nov 4, 2026
    		+0dSEC FORM 4

    Evidence

    12
    SM
    Schafer Douglas M. JREVP and CIO
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Open-market sale · 10b5-1 plan
    		SELL$280K
    8,000 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    0
    SM
    Schafer Douglas M. JREVP and CIO
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M$96K
    8,000 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    0
    CJ
    Comly Barbara J.EVP, GC & Corporate Secretary
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M$148K
    12.3K sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    0
    SM
    Schafer Douglas M. JREVP and CIO
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M—
    8,000 sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    12
    CJ
    Comly Barbara J.EVP, GC & Corporate Secretary
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Open-market sale · 10b5-1 plan
    		SELL$431K
    12.3K sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    7
    CJ
    Comly Barbara J.EVP, GC & Corporate Secretary
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M—
    12.3K sh
    		Oct 22, 2026Oct 26, 2026
    traded Oct 22, 2026
    		+4dSEC FORM 4

    Evidence

    12
    JH
    Jayabalan HarishEVP, CISO and CRO
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise
    		M$100K
    8,333 sh
    		Sep 25, 2026Sep 29, 2026
    traded Sep 25, 2026
    		+4dSEC FORM 4

    Evidence

    5
    JH
    Jayabalan HarishEVP, CISO and CRO
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise
    		M—
    8,333 sh
    		Sep 25, 2026Sep 29, 2026
    traded Sep 25, 2026
    		+4dSEC FORM 4

    Evidence

    23
    BS
    Brown ShellyEVP, Chief Strategy Officer
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Open-market sale · 10b5-1 plan
    		SELL$819K
    21.2K sh
    		Sep 16, 2026Sep 17, 2026
    traded Sep 16, 2026
    		+1dSEC FORM 4

    Evidence

    12
    BS
    Brown ShellyEVP, Chief Strategy Officer
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Tax withholding
    		F$693K
    16.3K sh
    		Sep 11, 2026Sep 11, 2026
    traded Sep 11, 2026
    		+0dSEC FORM 4

    Evidence

    5
    SM
    Schafer Douglas M. JREVP and CIO
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M$520K
    43.3K sh
    		Sep 2, 2026Sep 4, 2026
    traded Sep 2, 2026
    		+2dSEC FORM 4

    Evidence

    0
    GP
    Gallagher Thomas P.Director, Chairman & CEO
    MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
    Option exercise · 10b5-1 plan
    		M—
    8,333 sh
    		Sep 3, 2026Sep 4, 2026
    traded Sep 3, 2026
    		+1dSEC 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
    0002080671-26-000016
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Sep 3, 2026
    Published
    Sep 4, 2026
    Ingested by INSIDER
    Nov 5, 02:18 UTC
    Last re-read
    Nov 5, 02:18 UTC

    Extracted facts

    Filer
    Deitzel Edward
    Role
    EVP, CRO, CCO MIAX Exchanges
    Transaction
    Option exerciseAs filed: “M”
    Asset
    MIAMI INTERNATIONAL HOLDINGS, INC. — Nonqualified Stock Option (Right to Buy)
    Ticker
    MIAX
    Shares
    11.0K
    Price per share
    $0
    Execution date (reported)
    Sep 3, 2026
    Owned after transaction
    66.0K shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    1

    What this establishes

    Deitzel Edward filed this Form 4 reporting a option exercise of MIAX on Sep 3, 2026. It became public on Sep 4, 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
    EVP, CRO, CCO MIAX Exchanges
    Deitzel Edwardcik:0002080671
    Issuer
    MIAMI INTERNATIONAL HOLDINGS, INC.cik:0001438472

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.