Schwarzkopf Cynthia 4

Accession 0001628280-25-040780

CIK 0001438472other

View on SEC.gov Company Profile

Filed

Aug 18, 8:00 PM ET

Accepted

Aug 19, 4:05 PM ET

Size

36.3 KB

Accession

0001628280-25-040780

Insider Transaction Report

Form 4

Period: 2025-08-15

MIAMI INTERNATIONAL HOLDINGS, INC.MIAX

Schwarzkopf Cynthia

Director

Transactions

Conversion
Common Stock
2025-08-15+36,250→ 81,308 total
Conversion
Nonvoting Common Stock
2025-08-15−45,058→ 0 total
→ Common Stock (45,058 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−19,500→ 0 total
Exercise: $12.00Exp: 2026-06-19→ Nonvoting Common Stock (19,500 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+21,250→ 21,250 total
Exercise: $12.00Exp: 2028-04-30→ Common Stock (21,250 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+22,708→ 22,708 total
Exercise: $12.00Exp: 2029-05-31→ Common Stock (22,708 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+28,437→ 28,437 total
Exercise: $14.00Exp: 2030-06-30→ Common Stock (28,437 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+32,501→ 32,501 total
Exercise: $16.14Exp: 2031-05-31→ Common Stock (32,501 underlying)
Conversion
Series B Preferred Stock
2025-08-15−36,250→ 0 total
→ Common Stock (36,250 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+19,500→ 19,500 total
Exercise: $12.00Exp: 2026-06-19→ Common Stock (19,500 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+21,916→ 21,916 total
Exercise: $12.00Exp: 2027-05-31→ Common Stock (21,916 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−21,250→ 0 total
Exercise: $12.00Exp: 2028-04-30→ Nonvoting Common Stock (21,250 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−22,708→ 0 total
Exercise: $12.00Exp: 2029-05-31→ Nonvoting Common Stock (22,708 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−28,437→ 0 total
Exercise: $14.00Exp: 2030-06-30→ Nonvoting Common Stock (28,437 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−32,501→ 0 total
Exercise: $16.14Exp: 2031-05-31→ Nonvoting Common Stock (32,501 underlying)
Conversion
Common Stock
2025-08-15+45,058→ 81,308 total
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−21,916→ 0 total
Exercise: $12.00Exp: 2027-05-31→ Nonvoting Common Stock (21,916 underlying)

Footnotes (4)

[F1]Includes 36,250 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]Includes 45,058 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.
[F3]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.
[F4]The options are fully vested.

Documents

1 file

4
wk-form4_1755633911.xmlPrimary
FORM 4

Issuer

MIAMI INTERNATIONAL HOLDINGS, INC.

CIK 0001438472

→

Entity typeother

Related Parties

filerCIK 0002080596

Filing Metadata

Form type: 4
Filed: Aug 18, 8:00 PM ET
Accepted: Aug 19, 4:05 PM ET
Size: 36.3 KB

View on SEC.gov