MIAMI INTERNATIONAL HOLDINGS, INC.|4Aug 19, 4:06 PM ET

Eckert Kurt M. 4

4 · MIAMI INTERNATIONAL HOLDINGS, INC. · Filed Aug 19, 2025

Insider Transaction Report

Form 4

Period: 2025-08-15

MIAMI INTERNATIONAL HOLDINGS, INC.MIAX

Eckert Kurt M.

Director

Transactions

Conversion
Common Stock
2025-08-15+46,875→ 167,375 total
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−12,917→ 0 total
Exercise: $12.00Exp: 2026-06-19→ Nonvoting Common Stock (12,917 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+12,917→ 12,917 total
Exercise: $12.00Exp: 2026-06-19→ Common Stock (12,917 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)
2025-08-15−125→ 0 total
Exercise: $12.00Exp: 2029-06-30→ Nonvoting Common Stock (125 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+125→ 125 total
Exercise: $12.00Exp: 2029-06-30→ Common Stock (125 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+22,223→ 22,223 total
Exercise: $16.14Exp: 2031-05-31→ Common Stock (22,223 underlying)
Conversion
Nonvoting Common Stock
2025-08-15−46,875→ 0 total
→ Common Stock (46,875 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+22,812→ 22,812 total
Exercise: $12.00Exp: 2029-05-31→ Common Stock (22,812 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−30,156→ 0 total
Exercise: $14.00Exp: 2030-06-30→ Nonvoting Common Stock (30,156 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−17,188→ 0 total
Exercise: $12.00Exp: 2027-05-31→ Nonvoting Common Stock (17,188 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+30,156→ 30,156 total
Exercise: $14.00Exp: 2030-06-30→ Common Stock (30,156 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−22,223→ 0 total
Exercise: $16.14Exp: 2031-05-31→ Nonvoting Common Stock (22,223 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15+17,188→ 17,188 total
Exercise: $12.00Exp: 2027-05-31→ Common Stock (17,188 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)
Exercise/Conversion
Stock Option (Right to Buy)
2025-08-15−22,812→ 0 total
Exercise: $12.00Exp: 2029-05-31→ Nonvoting Common Stock (22,812 underlying)

Footnotes (3)

[F1]Includes 46,875 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 ("IPO") and which have no expiration date. Of his 46,875 shares of Nonvoting Common Stock, (i) 15,375 are held in his individual name and (ii) 31,500 are held jointly with his spouse with right of survivorship
[F2]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.
[F3]The options are fully vested

Documents

1 file

4
wk-form4_1755633964.xmlPrimary
FORM 4