Schafer Douglas M. JR Insider Trading -- Recent SEC Form 4 Transactions

Schafer Douglas M. JR (CIK 2079445) reported 17 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-06). Recent activity: Buy MIAX (48,000 shares), Sell MIAX (48,000 shares), Buy MIAX (6,000 shares), Buy MIAX (42,000 shares), Sell MIAX (48,000 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-08-06MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOBuy48,000$576,000
2026-08-06MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOSell48,000$2.2M
2026-07-07MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOBuy6,000$72,000
2026-07-07MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOBuy42,000$504,000
2026-07-07MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOSell48,000$2.0M
2026-06-18MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOBuy23,298$0
2026-06-12MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOSell32,565$1.3M
2026-06-04MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOBuy48,000$576,000
2026-06-04MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOSell48,000$2.1M
2026-05-05MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOBuy48,000$576,000
2026-05-05MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOSell48,000$2.3M
2026-03-18MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOBuy48,000$576,000
2026-03-18MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOSell48,000$1.9M
2026-02-20MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOSell32,565$1.3M
2026-02-12MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOSell108,550$4.5M
2025-08-19MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOBuy500$0
2025-08-19MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)EVP and CIOBuy387,296$0

Source: SEC Form 4 filings · as of 2026-08-06