Schafer Douglas M JR

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Schafer Douglas M JR
CIK #0002079445
EDGAR Form CIK 2011 - 2026
3 [0002079445]
4 [0002079445]
Form 3/4/5 Subject 2011 - 2026
Schafer Douglas M JR
Miami International Holdings Inc
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Miami International Holdings Inc MIAX
Common Stock
2026-03-17 Sell 48,000 $39.74 1,907,520
Miami International Holdings Inc MIAX
Common Stock
2026-03-17 Option exercise 48,000 $12.00 576,000
Miami International Holdings Inc MIAX
Nonqualified Stock Option (Right to Buy) · derivative
2026-03-17 Option exercise 48,000 $0.00
Miami International Holdings Inc MIAX
Common Stock
2026-02-18 Tax withheld 32,565 $40.89 1,331,583
Miami International Holdings Inc MIAX
Common Stock
2026-02-10 Tax withheld 108,550 $41.33 4,486,372
Miami International Holdings Inc MIAX
Nonqualified Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 200,000 $0.00
Miami International Holdings Inc MIAX
Nonqualified Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 130,290 $0.00
Miami International Holdings Inc MIAX
Nonqualified Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 130,290 $0.00
Miami International Holdings Inc MIAX
Nonqualified Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 150,000 $0.00
Miami International Holdings Inc MIAX
Nonqualified Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 150,000 $0.00
Miami International Holdings Inc MIAX
Series B Preferred Stock · derivative
2025-08-15 Conversion 500 $0.00
Miami International Holdings Inc MIAX
Nonvoting Common Stock · derivative
2025-08-15 Conversion 387,296 $0.00
Miami International Holdings Inc MIAX
Incentive Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 16,666 $0.00
Miami International Holdings Inc MIAX
Incentive Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 19,710 $0.00
Miami International Holdings Inc MIAX
Incentive Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 19,710 $0.00
Miami International Holdings Inc MIAX
Nonqualified Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 150,000 $0.00
Miami International Holdings Inc MIAX
Nonqualified Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 150,000 $0.00
Miami International Holdings Inc MIAX
Nonqualified Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 200,000 $0.00
Miami International Holdings Inc MIAX
Incentive Stock Option (Right to Buy) · derivative
2025-08-15 Option exercise 16,666 $0.00
Miami International Holdings Inc MIAX
Common Stock
2025-08-15 Conversion 500
showing 20 of 24 most recent transactions
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