Home/Filings/4/0001628280-25-040785
4//SEC Filing

Gallagher Thomas P. 4

Accession 0001628280-25-040785

CIK 0001438472other

Filed

Aug 18, 8:00 PM ET

Accepted

Aug 19, 4:06 PM ET

Size

55.5 KB

Accession

0001628280-25-040785

Insider Transaction Report

Form 4
Period: 2025-08-15
Gallagher Thomas P.
DirectorChairman & CEO
Transactions
  • Exercise/Conversion

    Nonqualified Stock Option (Right to Buy)

    2025-08-15283,3340 total(indirect: By LLC)
    Exercise: $12.00Exp: 2028-05-28Nonvoting Common Stock (283,334 underlying)
  • Exercise/Conversion

    Nonqualified Stock Option (Right to Buy)

    2025-08-15+241,667241,667 total(indirect: By LLC)
    Exercise: $12.00Exp: 2029-07-30Common Stock (241,667 underlying)
  • Conversion

    Common Stock

    2025-08-15+573,963585,963 total
  • Conversion

    Common Stock

    2025-08-15+135,3952,040,494 total(indirect: By LLC)
  • Conversion

    Nonvoting Common Stock

    2025-08-15573,9630 total
    Common Stock (573,963 underlying)
  • Exercise/Conversion

    Incentive Stock Option (Right to Buy)

    2025-08-1524,9990 total
    Exercise: $12.00Exp: 2026-08-02Nonvoting Common Stock (24,999 underlying)
  • Exercise/Conversion

    Incentive Stock Option (Right to Buy)

    2025-08-1516,6660 total
    Exercise: $12.00Exp: 2028-05-28Nonvoting Common Stock (16,666 underlying)
  • Exercise/Conversion

    Nonqualified Stock Option (Right to Buy)

    2025-08-15241,6670 total(indirect: By LLC)
    Exercise: $12.00Exp: 2029-07-30Nonvoting Common Stock (241,667 underlying)
  • Conversion

    Nonvoting Common Stock

    2025-08-15135,3950 total(indirect: By LLC)
    Common Stock (135,395 underlying)
  • Exercise/Conversion

    Nonqualified Stock Option (Right to Buy)

    2025-08-15+350,001350,001 total(indirect: By LLC)
    Exercise: $12.00Exp: 2026-08-02Common Stock (350,001 underlying)
  • Exercise/Conversion

    Nonqualified Stock Option (Right to Buy)

    2025-08-15+375,000375,000 total(indirect: By LLC)
    Exercise: $16.14Exp: 2031-09-09Common Stock (375,000 underlying)
  • Exercise/Conversion

    Incentive Stock Option (Right to Buy)

    2025-08-15+24,99924,999 total
    Exercise: $12.00Exp: 2026-08-02Common Stock (24,999 underlying)
  • Exercise/Conversion

    Incentive Stock Option (Right to Buy)

    2025-08-15+16,66616,666 total
    Exercise: $12.00Exp: 2028-05-28Common Stock (16,666 underlying)
  • Exercise/Conversion

    Incentive Stock Option (Right to Buy)

    2025-08-158,3330 total
    Exercise: $12.00Exp: 2029-07-30Nonvoting Common Stock (8,333 underlying)
  • Exercise/Conversion

    Nonqualified Stock Option (Right to Buy)

    2025-08-15+283,334283,334 total(indirect: By LLC)
    Exercise: $12.00Exp: 2028-05-28Common Stock (283,334 underlying)
  • Exercise/Conversion

    Nonqualified Stock Option (Right to Buy)

    2025-08-15+286,860286,860 total(indirect: By LLC)
    Exercise: $15.22Exp: 2031-01-27Common Stock (286,860 underlying)
  • Conversion

    Common Stock

    2025-08-15+5002,040,494 total(indirect: By LLC)
  • Conversion

    Series B Preferred Stock

    2025-08-155000 total(indirect: By LLC)
    Common Stock (500 underlying)
  • Exercise/Conversion

    Incentive Stock Option (Right to Buy)

    2025-08-15+8,3338,333 total
    Exercise: $12.00Exp: 2029-07-30Common Stock (8,333 underlying)
  • Exercise/Conversion

    Incentive Stock Option (Right to Buy)

    2025-08-1513,1400 total
    Exercise: $15.22Exp: 2031-01-27Nonvoting Common Stock (13,140 underlying)
  • Exercise/Conversion

    Incentive Stock Option (Right to Buy)

    2025-08-15+13,14013,140 total
    Exercise: $15.22Exp: 2031-01-27Common Stock (13,140 underlying)
  • Exercise/Conversion

    Nonqualified Stock Option (Right to Buy)

    2025-08-15350,0010 total(indirect: By LLC)
    Exercise: $12.00Exp: 2026-08-02Nonvoting Common Stock (350,001 underlying)
  • Exercise/Conversion

    Nonqualified Stock Option (Right to Buy)

    2025-08-15286,8600 total(indirect: By LLC)
    Exercise: $15.22Exp: 2031-01-27Nonvoting Common Stock (286,860 underlying)
  • Exercise/Conversion

    Nonqualified Stock Option (Right to Buy)

    2025-08-15375,0000 total(indirect: By LLC)
    Exercise: $16.14Exp: 2031-09-09Nonvoting Common Stock (375,000 underlying)
Footnotes (7)
  • [F1]Represents 500 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.
  • [F2]Mr. Gallagher maintains beneficial ownership, including dispositive and voting control, over Gallagher Investments, LLC
  • [F3]Represents 573,963 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.
  • [F4]Includes 12,000 shares of common stock jointly with his spouse with right of survival
  • [F5]Represents 135,395 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.
  • [F6]The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.
  • [F7]The options are fully vested.

Issuer

MIAMI INTERNATIONAL HOLDINGS, INC.

CIK 0001438472

Entity typeother

Related Parties

1
  • filerCIK 0002080477

Filing Metadata

Form type
4
Filed
Aug 18, 8:00 PM ET
Accepted
Aug 19, 4:06 PM ET
Size
55.5 KB