INSIDER
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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 421m ago
HOUSE PTR21m ago
SEC 13F21m ago
ROBINHOOD CHAIN21m ago
Public company

MIAXMIAMI INTERNATIONAL HOLDINGS, INC.

CIK 0001438472

EDGAR filingsOpen in network
Disclosed transactions60
Buys / sells0 / 12
Max Insider Score29
Connections21with evidence

MIAX · disclosed activity on price

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
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

Verified connections

  • In industryevidence
    Banking, securities & insuranceSEC SIC 6211 · Security Brokers, Dealers & Flotation Companies · Nov 4, 2026
  • ← Insider ofevidence
    Vermaas CeesCEO of TISEG · Jun 18, 2026
  • ← Insider ofevidence
    Massad Mark I.Director · Jun 17, 2026
  • ← Insider ofevidence
    Becker LeeDirector · Jun 17, 2026
7
CJ
Comly Barbara J.EVP, GC & Corporate Secretary
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M
—
47.2K sh
Nov 4, 2026
Nov 4, 2026
traded Nov 4, 2026
+0d
SEC FORM 4

Evidence

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

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

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

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

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

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

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
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

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

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

0
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M$100K
4,464 sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

0
SM
Schafer Douglas M. JREVP and CIO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M—
4,666 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—
13.1K sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

7
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M—
4,464 sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

29
SM
Schafer Douglas M. JREVP and CIO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Open-market sale · 10b5-1 plan
SELL$1.94M
48.0K 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

0
SM
Schafer Douglas M. JREVP and CIO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M$56K
4,666 sh
Sep 2, 2026Sep 4, 2026
traded Sep 2, 2026
+2dSEC FORM 4

Evidence

2
DE
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M$132K
11.0K sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC 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

3
DE
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M—
11.0K sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

23
TG
Teekell Judson GrayDirector
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Open-market sale · 10b5-1 plan
SELL$231K
5,545 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—
16.7K sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

26
DE
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Open-market sale · 10b5-1 plan
SELL$464K
11.0K sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

19
TG
Teekell Judson GrayDirector
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Open-market sale · 10b5-1 plan
SELL$123K
3,000 sh
Sep 2, 2026Sep 4, 2026
traded Sep 2, 2026
+2dSEC FORM 4

Evidence

29
CJ
Comly Barbara J.EVP, GC & Corporate Secretary
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Open-market sale · 10b5-1 plan
SELL$1.80M
44.4K 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$200K
16.7K sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

0
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M$100K
8,333 sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

0
CJ
Comly Barbara J.EVP, GC & Corporate Secretary
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M—
44.4K sh
Sep 2, 2026Sep 4, 2026
traded Sep 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$533K
44.4K sh
Sep 2, 2026Sep 4, 2026
traded Sep 2, 2026
+2dSEC FORM 4

Evidence

3
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M—
47.0K sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

0
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M$200K
13.1K sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

0
SM
Schafer Douglas M. JREVP and CIO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M—
43.3K sh
Sep 2, 2026Sep 4, 2026
traded Sep 2, 2026
+2dSEC FORM 4

Evidence

1
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M$564K
47.0K sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

25
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Open-market sale · 10b5-1 plan
SELL$1.99M
47.0K sh
Sep 3, 2026Sep 4, 2026
traded Sep 3, 2026
+1dSEC FORM 4

Evidence

18
CJ
Comly Barbara J.EVP, GC & Corporate Secretary
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Tax withholding
F$1.84M
43.4K sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

29
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Open-market sale · 10b5-1 plan
SELL$6.16M
149.7K sh
Aug 19, 2026Aug 20, 2026
traded Aug 19, 2026
+1dSEC FORM 4

Evidence

8
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Tax withholding · 10b5-1 plan
F$6.37M
150.3K sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

2
BS
Brown ShellyEVP, Chief Strategy Officer
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
2,485 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

6
BS
Brown ShellyEVP, Chief Strategy Officer
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
37.3K sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

5
CJ
Comly Barbara J.EVP, GC & Corporate Secretary
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
2,485 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

5
JH
Jayabalan HarishEVP, CISO and CRO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
34.8K sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

5
CJ
Comly Barbara J.EVP, GC & Corporate Secretary
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
39.1K sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

5
JH
Jayabalan HarishEVP, CISO and CRO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
2,485 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

9
JH
Jayabalan HarishEVP, CISO and CRO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
4,660 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

9
VC
Vermaas CeesCEO of TISEG
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
4,793 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

9
VC
Vermaas CeesCEO of TISEG
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
4,660 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

5
DE
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
7,101 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

5
DE
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
2,485 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

9
SJ
Smollen JohnEVP, New Product Development
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
7,455 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

9
DE
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
9,319 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

5
EL
Emmons LanceEVP and CFO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
35.9K sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

5
EL
Emmons LanceEVP and CFO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
2,485 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

← Insider ofevidence
Lozier Kenneth W.
Director · Jun 17, 2026
  • ← Insider ofevidence
    Raymond Mark F.Director · Jun 17, 2026
  • ← Insider ofevidence
    Al-Bahar Talal JassimDirector · Jun 17, 2026
  • ← Insider ofevidence
    Moore LisaDirector · Jun 17, 2026
  • ← Insider ofevidence
    Schwarzkopf CynthiaDirector · Jun 12, 2026
  • ← Insider ofevidence
    Jayabalan HarishEVP, CISO and CRO · Jun 10, 2026
  • ← Insider ofevidence
    Teekell Judson GrayDirector · Jun 4, 2026
  • ← Insider ofevidence
    Eckert Kurt M.Director · May 5, 2026
  • ← Insider ofevidence
    Beckelman JohnDirector · Apr 10, 2026
  • ← Disclosed trade inevidence
    Gilbert Ray Cisneros, Jr.Purchase disclosed 2026-04-07 · Apr 7, 2026
  • ← Insider ofevidence
    Smollen JohnEVP, New Product Development · Apr 1, 2026
  • ← Insider ofevidence
    Comly Barbara J.EVP, GC & Corporate Secretary · Mar 10, 2026
  • ← Insider ofevidence
    Deitzel EdwardEVP, CRO, CCO MIAX Exchanges · Feb 20, 2026
  • ← Insider ofevidence
    Schafer Douglas M. JREVP and CIO · Feb 12, 2026
  • ← Insider ofevidence
    Gallagher Thomas P.Director, Chairman & CEO · Dec 29, 2025
  • ← Insider ofevidence
    Brown ShellyEVP, Chief Strategy Officer · Dec 17, 2025
  • ← Insider ofevidence
    Emmons LanceEVP and CFO · Dec 17, 2025