SC 13D/AThe Stakes
MIAMI INTERNATIONAL HOLDINGS, INC. files SC 13D/A
Filed May 21, 2026 · 1mo ago · Accession 0001056823-26-000016
Plain English
Activist stake — an investor has acquired more than 5% with intent to influence.
Read the source below for the full document.
Filing details
- Ticker
- MIAX
- CIK
- 1438472
- Form type
- SC 13D/A
- Filing date
- May 21, 2026
- Report date
- —
- Document
- —
- Size
- —