Disclosure 0001628280-26-065268-1

SEC FORM 4

$480,000.00

MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)

Acquisition (code M) of 40,000 shares at $12 per share.

Reporting Person Schafer Douglas M. JR · Officer Title EVP and CIO · Transaction Code M

Traded Oct 2, 2026 · Disclosed Oct 6, 2026

Source: SEC Form 4 · 0001628280-26-065268 · filed 2026-10-06 · 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 2026-10-06. https://desqlong.com/cards/0001628280-26-065268-1 (retrieved 2026-10-07).