Schafer Douglas M. JR

CIK 00020794451 companyPRINCETON, NJ

SEC Profile

Transactions

Companies

Filings

CIK

0002079445

Recent Transactions

24 trades

Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonqualified Stock Option (Right to Buy)
2026-03-17−48,000→ 102,000 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Common Stock
2026-03-17$12.00/sh+48,000→ 444,681 total
Sale
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Common Stock
2026-03-17$39.74/sh−48,000→ 396,681 total
Tax Payment
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Common Stock
2026-02-18$40.89/sh−32,565→ 396,681 total
Tax Payment
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Common Stock
2026-02-10$41.33/sh−108,550→ 429,246 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Incentive Stock Option (Right to Buy)
2025-08-15−19,710→ 0 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonqualified Stock Option (Right to Buy)
2025-08-15−133,334→ 0 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonqualified Stock Option (Right to Buy)
2025-08-15−150,000→ 0 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonqualified Stock Option (Right to Buy)
2025-08-15−200,000→ 0 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonqualified Stock Option (Right to Buy)
2025-08-15+200,000→ 200,000 total
Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Common Stock
2025-08-15+500→ 537,796 total
Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Series B Preferred Stock
2025-08-15−500→ 0 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Incentive Stock Option (Right to Buy)
2025-08-15+19,710→ 19,710 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonqualified Stock Option (Right to Buy)
2025-08-15−150,000→ 0 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonqualified Stock Option (Right to Buy)
2025-08-15+150,000→ 150,000 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonqualified Stock Option (Right to Buy)
2025-08-15+133,334→ 133,334 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonqualified Stock Option (Right to Buy)
2025-08-15−130,290→ 0 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonqualified Stock Option (Right to Buy)
2025-08-15+150,000→ 150,000 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Incentive Stock Option (Right to Buy)
2025-08-15−16,666→ 0 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonqualified Stock Option (Right to Buy)
2025-08-15+130,290→ 130,290 total
Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Common Stock
2025-08-15+387,296→ 537,796 total
Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonvoting Common Stock
2025-08-15−387,296→ 0 total
Exercise/Conversion
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Incentive Stock Option (Right to Buy)
2025-08-15+16,666→ 16,666 total
Tax Payment
MIAMI INTERNATIONAL HOLDINGS, INC.$MIAX
Nonvoting Common Stock
2025-08-13$23.00/sh−21,710→ 387,296 total

Companies

MIAMI INTERNATIONAL HOLDINGS, INC.
EVP and CIO
$MIAX

Recent Filings

Address

C/O MIAMI INTERNATIONAL HOLDINGS, INC. 7 ROSZEL ROAD, SUITE 1A

PRINCETON, NJ, 08540

View on SEC.gov