Form 4 Tracker
Cynthia Schwarzkopf

Director · 4 filings · Latest: Aug 17, 2026

MIAMI INTERNATIONAL HOLDINGS, INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
MIAX
Cynthia SchwarzkopfDirectorAug 17, 2026
Sale
$42.855,000$214.3K88,545
MIAX
Cynthia SchwarzkopfDirectorAug 17, 2026
Option Exercise
$12.005,000$60.0K93,545
MIAX
Cynthia SchwarzkopfDirectorJul 15, 2026
Sale
$42.005,000$210.0K88,545
MIAX
Cynthia SchwarzkopfDirectorJul 15, 2026
Option Exercise
$12.005,000$60.0K93,545
MIAX
CYNTHIA SCHWARZKOPF—Jul 15, 2026
Proposed Sale
$41.3015,000$619.5K—
MIAX
Cynthia SchwarzkopfDirectorJun 11, 2026
Sale
$41.7319,500$813.7K81,308
MIAX
Cynthia SchwarzkopfDirectorJun 11, 2026
Option Exercise
$12.0019,500$234.0K100,808
MIAX
CYNTHIA SCHWARZKOPF—Jun 11, 2026
Proposed Sale
$40.7919,500$795.4K—