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MIAX research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

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Filing timeline

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SEC submissions · retrieved 2026-10-23 · 8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-10-02 · 0001628280-26-065268

  2. 4 · Ownership change

    Report date 2026-09-25 · 0001628280-26-063831

  3. 4 · Ownership change

    Report date 2026-09-16 · 0002080506-26-000027

  4. 4 · Ownership change

    Report date 2026-09-11 · 0002080506-26-000025

  5. 4 · Ownership change

    Report date 2026-09-02 · 0002080878-26-000016

  6. 4 · Ownership change

    Report date 2026-09-03 · 0002080671-26-000016

  7. 4 · Ownership change

    Report date 2026-09-03 · 0002080477-26-000018

  8. 4 · Ownership change

    Report date 2026-09-02 · 0002079445-26-000017

  9. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001628280-26-054575

  10. 8-K · Current report

    Report date 2026-08-05 · 0001438472-26-000040 · Items 2.02,9.01

  11. 8-K · Current report

    Report date 2026-07-20 · 0001628280-26-049014 · Items 8.01

  12. 8-K · Current report

    Report date 2026-06-17 · 0001438472-26-000036 · Items 3.02

  13. 8-K · Current report

    Report date 2026-06-16 · 0001438472-26-000032 · Items 5.07

  14. 8-K · Current report

    Report date 2026-06-15 · 0001438472-26-000030 · Items 5.02

  15. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001628280-26-032565

  16. 8-K · Current report

    Report date 2026-05-06 · 0001628280-26-031291 · Items 2.02,9.01

  17. DEF 14A · Proxy statement

    Report date 2026-06-16 · 0001628280-26-027312

  18. 8-K · Current report

    Report date 2026-04-23 · 0001628280-26-027311 · Items 5.02

  19. 8-K · Current report

    Report date 2026-04-07 · 0001438472-26-000026 · Items 5.02

  20. 8-K · Current report

    Report date 2026-03-24 · 0001628280-26-021455 · Items 5.02

  21. 10-K · Annual report

    Report date 2025-12-31 · 0001438472-26-000023

  22. 8-K · Current report

    Report date 2026-02-25 · 0001438472-26-000019 · Items 3.02

  23. 8-K · Current report

    Report date 2026-02-25 · 0001438472-26-000017 · Items 2.02,9.01

  24. 8-K · Current report

    Report date 2026-02-18 · 0001438472-26-000012 · Items 3.02

  25. 8-K · Current report

    Report date 2026-02-09 · 0001438472-26-000010 · Items 3.02

  26. 8-K · Current report

    Report date 2026-01-20 · 0001438472-26-000008 · Items 8.01,9.01

  27. 8-K · Current report

    Report date 2025-12-15 · 0001628280-25-057039 · Items 3.02,8.01

  28. 8-K · Current report

    Report date 2025-11-25 · 0001438472-25-000016 · Items 8.01,9.01

  29. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001438472-25-000011

  30. 8-K · Current report

    Report date 2025-11-05 · 0001628280-25-049650 · Items 2.02,9.01

  31. 8-K · Current report

    Report date 2025-10-03 · 0001628280-25-044597 · Items 5.02

  32. 8-K · Current report

    Report date 2025-08-18 · 0001438472-25-000003 · Items 1.02

  33. 8-K · Current report

    Report date 2025-08-15 · 0001628280-25-040532 · Items 3.02,8.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-23 · 2026 Q3: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 29 transaction rows29SGrant / award: 0 transaction rows0AExercise / conversion: 66 transaction rows66MTax / exercise payment: 4 transaction rows4FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

99 matching transaction rows. Showing 1 to 50.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-25
2026-09-29
Jayabalan HarishM · Exercise / conversion
Acquired
Common Stock8333.012.0
2026-09-25
2026-09-29
Jayabalan HarishM · Exercise / conversion
Disposed
Incentive Stock Option (Right to Buy)
Derivative security
8333.00.0
2026-09-16
2026-09-17
Brown Shelly
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock21217.038.61
2026-09-11
2026-09-11
Brown ShellyF · Tax / exercise payment
Disposed
Common Stock16283.042.54
2026-09-03
2026-09-04
Deitzel Edward
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock11000.012.0
2026-09-03
2026-09-04
Deitzel Edward
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock11000.042.21
2026-09-03
2026-09-04
Deitzel Edward
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Nonqualified Stock Option (Right to Buy)
Derivative security
11000.00.0
2026-09-03
2026-09-04
Gallagher Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock47000.012.0
2026-09-03
2026-09-04
Gallagher Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock47000.042.43
2026-09-03
2026-09-04
Gallagher Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock16666.012.0
2026-09-03
2026-09-04
Gallagher Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock8333.012.0
2026-09-03
2026-09-04
Gallagher Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock13140.015.22
2026-09-03
2026-09-04
Gallagher Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock4464.022.4
2026-09-03
2026-09-04
Gallagher Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Incentive Stock Option (Right to Buy)
Derivative security
4464.00.0
2026-09-03
2026-09-04
Gallagher Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Incentive Stock Option (Right to Buy)
Derivative security
8333.00.0
2026-09-03
2026-09-04
Gallagher Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Incentive Stock Option (Right to Buy)
Derivative security
16666.00.0
2026-09-03
2026-09-04
Gallagher Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Nonqualified Stock Option (Right to Buy)
Derivative security
47000.00.0
2026-09-03
2026-09-04
Gallagher Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Incentive Stock Option (Right to Buy)
Derivative security
13140.00.0
2026-09-02
2026-09-04
Comly Barbara J.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock44445.040.49
2026-09-02
2026-09-04
Comly Barbara J.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock44445.012.0
2026-09-02
2026-09-04
Comly Barbara J.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Nonqualified Stock Option (Right to Buy)
Derivative security
44445.00.0
2026-09-02
2026-09-04
Schafer Douglas M. JR
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock48000.040.48
2026-09-02
2026-09-04
Schafer Douglas M. JR
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock4666.012.0
2026-09-02
2026-09-04
Schafer Douglas M. JR
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock43334.012.0
2026-09-02
2026-09-04
Schafer Douglas M. JR
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Nonqualified Stock Option (Right to Buy)
Derivative security
43334.00.0
2026-09-02
2026-09-04
Schafer Douglas M. JR
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Nonqualified Stock Option (Right to Buy)
Derivative security
4666.00.0
2026-09-02
2026-09-04
Teekell Judson Gray
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock5545.041.58
2026-09-02
2026-09-04
Teekell Judson Gray
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock3000.040.89
2026-08-19
2026-08-20
Gallagher Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock149700.041.13
2026-08-18
2026-08-20
Comly Barbara J.F · Tax / exercise payment
Disposed
Common Stock43420.042.41
2026-08-18
2026-08-20
Gallagher Thomas P.
10b5-1 checkbox reported
F · Tax / exercise payment
Disposed
Common Stock150300.042.41
2026-08-17
2026-08-19
Schwarzkopf Cynthia
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock5000.012.0
2026-08-17
2026-08-19
Schwarzkopf Cynthia
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock5000.042.85
2026-08-17
2026-08-19
Schwarzkopf Cynthia
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (Right to Buy)
Derivative security
5000.00.0
2026-08-17
2026-08-19
Emmons Lance
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock35000.042.83
2026-08-04
2026-08-06
Comly Barbara J.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock44445.012.0
2026-08-04
2026-08-06
Comly Barbara J.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock44445.045.69
2026-08-04
2026-08-06
Comly Barbara J.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Nonqualified Stock Option (Right to Buy)
Derivative security
44445.00.0
2026-08-04
2026-08-06
Eckert Kurt M.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock1063.012.0
2026-08-04
2026-08-06
Eckert Kurt M.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock1063.045.8
2026-08-04
2026-08-06
Eckert Kurt M.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (Right to Buy)
Derivative security
1063.00.0
2026-08-04
2026-08-06
Deitzel Edward
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock11000.045.78
2026-08-04
2026-08-06
Deitzel Edward
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock11000.012.0
2026-08-04
2026-08-06
Deitzel Edward
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Nonqualified Stock Option (Right to Buy)
Derivative security
11000.00.0
2026-08-04
2026-08-06
Jayabalan Harish
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock14168.012.0
2026-08-04
2026-08-06
Jayabalan Harish
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock20000.045.9
2026-08-04
2026-08-06
Jayabalan Harish
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock5832.015.22
2026-08-04
2026-08-06
Jayabalan Harish
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Nonqualified Stock Option (Right to Buy)
Derivative security
14168.00.0
2026-08-04
2026-08-06
Jayabalan Harish
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Nonqualified Stock Option (Right to Buy)
Derivative security
5832.00.0
2026-08-04
2026-08-06
Gallagher Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock48334.012.0

Identity & relationships

Wikidata structured data · retrieved 2026-10-23 · 1658 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0001438472MIAMI INTERNATIONAL HOLDINGS, INC.

No parent relationship is available in this import; this is not proof of independence.

Legal Entity Identifier
254900TREUDBWGLAP788
GLEIF legal name
Miami International Holdings, Inc.
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2026-05-25T09:24:17Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

GLEIF legal entity reference data · retrieved 2026-10-23 · 1197 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • MIHI · alias · wikidata
  • Miami International Holdings · alias · wikidata
  • MIAMI INTERNATIONAL HOLDINGS INC · former SEC name · 2008-06-23 to 2008-06-23
Explore headquarters map ↗

Revenue in constant purchasing power

USD revenue expressed in 2026-09 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-31$1.14B$1.22B
2023-12-31$1.04B$1.15B

Bureau of Labor Statistics · retrieved 2026-10-23 · 9 selected series; gaps remain missing

Explore the CPI history ↗