Disclosure 0002080477-26-000016-1

SEC FORM 4

$6,374,223.00

MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)

Disposition (code F) of 150,300 shares at $42.41 per share.

Reporting Person Gallagher Thomas P. · Officer Title Chairman & CEO · Transaction Code F

Traded Aug 18, 2026 · Disclosed Aug 20, 2026

Source: SEC Form 4 · 0002080477-26-000016 · filed 2026-08-20 · View filing →

Composed from the Form 4 as filed with the SEC. Share counts, prices and dates are the filing's own; the disclosure lag is counted in business days from the transaction date to the filing date. What is a Form 4?

Cite this card

Desq Long. "MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)." Disclosed 2026-08-20. https://desqlong.com/cards/0002080477-26-000016-1 (retrieved 2026-09-26).