Insider · CIK 0002080477

Gallagher Thomas P.

Reports to the SEC for 1 company · PRINCETON, NJ

sec.gov

Transactions

Companies

Filings

CIK

0002080477

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-03	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+47K sh	$12.00	+$564K	1,470,275
2026-09-03	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−47K sh	$42.43	−$1.99M	1,423,275
2026-09-03	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+16.7K sh	$12.00	+$200K	760,605
2026-09-03	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+8,333 sh	$12.00	+$100K	768,938
2026-09-03	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+13.1K sh	$15.22	+$200K	782,078
2026-09-03	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+4,464 sh	$22.40	+$100K	786,542
2026-09-03	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Nonqualified Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−47K sh	—	—	188,000
2026-09-03	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Incentive Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−16.7K sh	—	—	0
2026-09-03	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Incentive Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−8,333 sh	—	—	0
2026-09-03	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Incentive Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−13.1K sh	—	—	0
2026-09-03	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Incentive Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−4,464 sh	—	—	8,928
2026-08-19	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−150K sh	$41.13	−$6.16M	1,423,275
2026-08-18	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.F Tax Payment	Director, Chairman & CEO	FTax Payment	−150K sh	$42.41	−$6.37M	1,572,975
2026-08-04	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+48.3K sh	$12.00	+$580K	1,771,609
2026-08-04	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−48.3K sh	$45.69	−$2.21M	1,723,275
2026-08-04	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Nonqualified Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−48.3K sh	—	—	235,000
2026-07-13	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+70K sh	$12.00	+$840K	1,793,275
2026-07-13	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−70K sh	$42.52	−$2.98M	1,723,275
2026-07-13	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Nonqualified Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−70K sh	—	—	0
2026-07-07	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+28.2K sh	$12.00	+$339K	1,751,503
2026-07-07	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−28.2K sh	$42.27	−$1.19M	1,723,275
2026-07-07	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Nonqualified Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−28.2K sh	—	—	70,000
2026-07-06	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+41.8K sh	$12.00	+$501K	1,765,047
2026-07-06	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−41.8K sh	$42.09	−$1.76M	1,723,275
2026-07-06	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Nonqualified Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−41.8K sh	—	—	98,228
2026-06-16	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.A Award	Director, Chairman & CEO	AAward	+233K sh	—	—	743,939
2026-06-16	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Incentive Stock Option (Right to Buy)A Award	Director, Chairman & CEO	AAward	+2,485 sh	—	—	2,485
2026-06-16	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Nonqualified Stock Option (Right to Buy)A Award	Director, Chairman & CEO	AAward	+237K sh	—	—	237,175
2026-06-02	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+70K sh	$12.00	+$840K	1,793,275
2026-06-02	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−70K sh	$42.36	−$2.97M	1,723,275
2026-06-02	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Nonqualified Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−70K sh	—	—	140,000
2026-05-11	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+25K sh	$12.00	+$300K	510,962
2026-05-11	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Incentive Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−25K sh	—	—	0
2026-05-05	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+15.8K sh	$12.00	+$189K	1,739,046
2026-05-05	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−15.8K sh	$47.92	−$756K	1,723,275
2026-05-05	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Nonqualified Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−15.8K sh	—	—	210,000
2026-05-04	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+54.2K sh	$12.00	+$651K	1,777,504
2026-05-04	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−54.2K sh	$47.26	−$2.56M	1,723,275
2026-05-04	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Nonqualified Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−54.2K sh	—	—	225,771
2026-04-15	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	+70K sh	$12.00	+$840K	1,897,400
2026-04-15	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−70K sh	$43.36	−$3.04M	1,827,399
2026-04-15	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−104K sh	$43.36	−$4.51M	1,723,275
2026-04-15	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S Sale	Director, Chairman & CEO	SSale	−49.9K sh	$43.68	−$2.18M	485,963
2026-04-15	MIAXMIAMI INTERNATIONAL HOLDINGS, INC. · Nonqualified Stock Option (Right to Buy)M Exercise/Conversion	Director, Chairman & CEO	MExercise/Conversion	−70K sh	—	—	280,000
2026-03-30	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.F Tax Payment	Director, Chairman & CEO	FTax Payment	−20.9K sh	$37.50	−$783K	1,827,399
2026-02-10	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.F Tax Payment	Director, Chairman & CEO	FTax Payment	−50.1K sh	$41.33	−$2.07M	535,863
2025-12-23	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.G Gift	Director, Chairman & CEO	GGift	−2,000 sh	—	—	585,963
2025-08-26	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.F Tax Payment	Director, Chairman & CEO	FTax Payment	−192K sh	$33.90	−$6.52M	1,848,274
2025-08-15	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.C Conversion	Director, Chairman & CEO	CConversion	+500 sh	—	—	2,040,494
2025-08-15	MIAXMIAMI INTERNATIONAL HOLDINGS, INC.C Conversion	Director, Chairman & CEO	CConversion	+574K sh	—	—	585,963

Recent filings

Accepted (ET)
Sep 44
Gallagher Thomas P.0002080477-26-000018
SEC(opens sec.gov)
Aug 204
Gallagher Thomas P.0002080477-26-000016
SEC(opens sec.gov)
Aug 64
Gallagher Thomas P.0002080477-26-000014
SEC(opens sec.gov)
Jul 144
Gallagher Thomas P.0001628280-26-048149
SEC(opens sec.gov)
Jul 74
Gallagher Thomas P.0001628280-26-047530
SEC(opens sec.gov)

Companies

MIAMI INTERNATIONAL HOLDINGS, INC.Director, Chairman & CEOMIAX

Address

C/O MIAMI INTERNATIONAL HOLDINGS, INC 7 ROSZEL ROAD, SUITE 1A

PRINCETON, NJ, 08540