Stahlin Paul 4

Accession 0001628280-25-040797

CIK 0001438472other

View on SEC.gov Company Profile

Filed

Aug 18, 8:00 PM ET

Accepted

Aug 19, 4:08 PM ET

Size

36.5 KB

Accession

0001628280-25-040797

Insider Transaction Report

Form 4

Period: 2025-08-15

MIAMI INTERNATIONAL HOLDINGS, INC.MIAX

Stahlin Paul

Director

Transactions

Conversion
Series B Preferred Stock
2025-08-15−10,000→ 0 total
→ Common Stock (10,000 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+22,500→ 22,500 total
Exercise: $14.00Exp: 2030-06-30→ Common Stock (22,500 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−13,889→ 0 total
Exercise: $16.14Exp: 2031-05-31→ Nonvoting Common Stock (13,889 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−11,000→ 0 total
Exercise: $12.00Exp: 2026-06-19→ Nonvoting Common Stock (11,000 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+18,000→ 18,000 total
Exercise: $12.00Exp: 2028-04-30→ Common Stock (18,000 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+18,000→ 18,000 total
Exercise: $12.00Exp: 2029-05-31→ Common Stock (18,000 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−22,500→ 0 total
Exercise: $14.00Exp: 2030-06-30→ Nonvoting Common Stock (22,500 underlying)
Conversion
Common Stock
2025-08-15+14,083→ 25,083 total
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+18,000→ 18,000 total
Exercise: $12.00Exp: 2027-05-31→ Common Stock (18,000 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−18,000→ 0 total
Exercise: $12.00Exp: 2028-04-30→ Nonvoting Common Stock (18,000 underlying)
Conversion
Common Stock
2025-08-15+10,000→ 25,083 total
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+11,000→ 11,000 total
Exercise: $12.00Exp: 2025-06-19→ Common Stock (11,000 underlying)
Conversion
Nonvoting Common Stock
2025-08-15−14,083→ 0 total
→ Common Stock (14,083 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−18,000→ 0 total
Exercise: $12.00Exp: 2027-05-31→ Nonvoting Common Stock (18,000 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−18,000→ 0 total
Exercise: $12.00Exp: 2029-05-31→ Nonvoting Common Stock (18,000 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+13,889→ 13,889 total
Exercise: $16.14Exp: 2031-05-31→ Common Stock (13,889 underlying)

Footnotes (4)

[F1]Includes 10,000 shares of Series B Preferred Stock which are held jointly with his spouse with right of survival, and 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 and which have no expiration date.
[F2]Includes 14,083 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 initial public offering and which have no expiration date. Of his 14,083 shares of Nonvoting Common Stock, (i) 10,000 are held in his individual name and (ii) 4,083 are held jointly with his spouse with right of survival.
[F3]The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the initial public offering, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.
[F4]The options are fully vested.

Documents

1 file

4
wk-form4_1755634076.xmlPrimary
FORM 4

Issuer

MIAMI INTERNATIONAL HOLDINGS, INC.

CIK 0001438472

→

Entity typeother

Related Parties

filerCIK 0001764337

Filing Metadata

Form type: 4
Filed: Aug 18, 8:00 PM ET
Accepted: Aug 19, 4:08 PM ET
Size: 36.5 KB

View on SEC.gov