Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-08-17 Sale | 2026-08-19 4:12 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 5,000 | $42.85 | $214,250 | 100,461 (Direct) | View |
| 2026-07-15 Sale | 2026-07-16 4:15 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 5,000 | $42 | $210,000 | 105,461 (Direct) | View |
| 2026-06-11 Sale | 2026-06-12 4:15 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 19,500 | $41.73 | $813,735 | 81,308 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-08-17 Exercise | 2026-08-19 4:12 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 5,000 | $12 | 100,461 (Direct) | View |
| 2026-08-17 Exercise | 2026-08-19 4:12 pm | N/A 2027-05-31 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 5,000 | $0 | 100,461 (Direct) | View |
| 2026-07-15 Exercise | 2026-07-16 4:15 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 5,000 | $12 | 105,461 (Direct) | View |
| 2026-07-15 Exercise | 2026-07-16 4:15 pm | N/A 2027-05-31 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 5,000 | $0 | 105,461 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-17 4:39 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 12,379 | $0 | 93,687 (Direct) | View |
| 2026-06-11 Exercise | 2026-06-12 4:15 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 19,500 | $12 | 81,308 (Direct) | View |
| 2026-06-11 Exercise | 2026-06-12 4:15 pm | N/A 2026-06-19 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 19,500 | $0 | 81,308 (Direct) | View |
| 2025-08-15 Conversion | 2025-08-19 4:05 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 81,308 | $0 | 227,620 (Direct) | View |
| 2025-08-15 Exercise | 2025-08-19 4:05 pm | N/A 2026-06-19 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 292,624 | $0 | 227,620 (Direct) | View |
Ownership | 2025-08-13 5:09 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schwarzkopf Cynthia Director | 0 | $0 | 260,048 (Direct) | View |