Douglas M. Schafer Jr.

Companies

• Miami International Holdings, Inc.EVP and CIO Aug 13, 2025 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Miami International Holdings, Inc. MIAX387,414 shares²$12.2M at $31.57Sep 2, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 2, 2026Sold 48,000 shares at $40.48 of Miami International Holdings, Inc.²
• Sep 2, 2026Exercised options 4,666 shares at $12.00 of Miami International Holdings, Inc.²
• Sep 2, 2026Exercised options 43,334 shares at $12.00 of Miami International Holdings, Inc.²
• Aug 4, 2026Sold 48,000 shares at $45.71 of Miami International Holdings, Inc.³
• Aug 4, 2026Exercised options 48,000 shares at $12.00 of Miami International Holdings, Inc.³
• Jul 2, 2026Sold 48,000 shares at $41.22 of Miami International Holdings, Inc.⁴
• Jul 2, 2026Exercised options 42,000 shares at $12.00 of Miami International Holdings, Inc.⁴
• Jul 2, 2026Exercised options 6,000 shares at $12.00 of Miami International Holdings, Inc.⁴
• Jun 16, 2026Granted 23,298 shares of Miami International Holdings, Inc.⁵
• Jun 11, 2026Shares withheld for tax 32,565 shares at $40.79 of Miami International Holdings, Inc.⁶
• Jun 2, 2026Sold 48,000 shares at $42.84 of Miami International Holdings, Inc.⁷
• Jun 2, 2026Exercised options 48,000 shares at $12.00 of Miami International Holdings, Inc.⁷
• May 4, 2026Sold 48,000 shares at $47.25 of Miami International Holdings, Inc.⁸
• May 4, 2026Exercised options 48,000 shares at $12.00 of Miami International Holdings, Inc.⁸
• Mar 17, 2026Sold 48,000 shares at $39.74 of Miami International Holdings, Inc.⁹
• Mar 17, 2026Exercised options 48,000 shares at $12.00 of Miami International Holdings, Inc.⁹
• Feb 18, 2026Shares withheld for tax 32,565 shares at $40.89 of Miami International Holdings, Inc.¹⁰
• Feb 10, 2026Shares withheld for tax 108,550 shares at $41.33 of Miami International Holdings, Inc.¹¹
• Aug 15, 2025Converted 387,296 shares of Miami International Holdings, Inc.¹²
• Aug 15, 2025Converted 500 shares of Miami International Holdings, Inc.¹²