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…
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 44m ago
HOUSE PTR4m ago
SEC 13F3m ago
ROBINHOOD CHAIN3m ago
Corporate insider
GP

Gallagher Thomas P.

Director, Chairman & CEOCIK 0002080477

EDGAR filingsOpen in network
Disclosed transactions27
Buys / sells0 / 4
Max Insider Score29
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
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

Verified connections

  • Insider ofevidence
    MIAMI INTERNATIONAL HOLDINGS, INC.Director, Chairman & CEO · Dec 29, 2025
3
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M
—
47.0K sh
Sep 3, 2026
Sep 4, 2026
traded Sep 3, 2026
+1d
SEC 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

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$200K
13.1K 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
4,464 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—
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—
8,333 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—
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

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

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

13
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
233.0K sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

5
GP
Gallagher Thomas P.Director, Chairman & CEO
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
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A—
237.2K sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

1
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M$840K
70.0K sh
Jun 2, 2026Jun 4, 2026
traded Jun 2, 2026
+2dSEC FORM 4

Evidence

7
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M—
70.0K sh
Jun 2, 2026Jun 4, 2026
traded Jun 2, 2026
+2dSEC FORM 4

Evidence

25
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Open-market sale · 10b5-1 plan
SELL$2.97M
70.0K sh
Jun 2, 2026Jun 4, 2026
traded Jun 2, 2026
+2dSEC FORM 4

Evidence

15
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise
M$300K
25.0K sh
May 11, 2026May 13, 2026
traded May 11, 2026
+2dSEC FORM 4

Evidence

5
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise
M—
25.0K sh
May 11, 2026May 13, 2026
traded May 11, 2026
+2dSEC FORM 4

Evidence

2
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M$189K
15.8K sh
May 5, 2026May 7, 2026
traded May 5, 2026
+2dSEC FORM 4

Evidence

26
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Open-market sale · 10b5-1 plan
SELL$756K
15.8K sh
May 5, 2026May 7, 2026
traded May 5, 2026
+2dSEC FORM 4

Evidence

3
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Option exercise · 10b5-1 plan
M—
15.8K sh
May 5, 2026May 7, 2026
traded May 5, 2026
+2dSEC FORM 4

Evidence

15
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Tax withholding
F$783K
20.9K sh
Mar 30, 2026Apr 1, 2026
traded Mar 30, 2026
+2dSEC FORM 4

Evidence

22
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Tax withholding
F$2.07M
50.1K sh
Feb 10, 2026Feb 12, 2026
traded Feb 10, 2026
+2dSEC FORM 4

Evidence

18
GP
Gallagher Thomas P.Director, Chairman & CEO
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Gift
G—
2,000 sh
Dec 23, 2025Dec 29, 2025
traded Dec 23, 2025
+6dSEC FORM 4

Evidence