Insider Trading & Ownership - Thomas P. Gallagher

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Thomas P. Gallagher
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2025-08-13
Purchase
2025-08-15
4:48 pm
MIAMI INTERNATIONAL HOLDINGS INC.MIAXGallagher Thomas P.
Chairman & CEO
12,000$23$276,00012,000
(Direct)
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Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2025-08-26
Tax Withholding
2025-08-28
4:33 pm
N/A
N/A
MIAMI INTERNATIONAL HOLDINGS INC.MIAXGallagher Thomas P.
Chairman & CEO
192,220$33.92,436,237
(Indirect)
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2025-08-15
Conversion
2025-08-19
4:06 pm
N/A
N/A
MIAMI INTERNATIONAL HOLDINGS INC.MIAXGallagher Thomas P.
Chairman & CEO
709,858$04,226,457
(Indirect)
View
2025-08-15
Exercise
2025-08-19
4:06 pm
N/A
2026-08-02
MIAMI INTERNATIONAL HOLDINGS INC.MIAXGallagher Thomas P.
Chairman & CEO
3,200,000$04,226,457
(Direct)
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Ownership
2025-08-13
5:08 pm
N/A
N/A
MIAMI INTERNATIONAL HOLDINGS INC.MIAXGallagher Thomas P.
Chairman & CEO
0$04,325,707
(Indirect)
View