Schwarzkopf Cynthia (CIK 2080596) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-19). Recent activity: Buy MIAX (5,000 shares), Sell MIAX (5,000 shares), Buy MIAX (5,000 shares), Sell MIAX (5,000 shares), Buy MIAX (2,267 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) | Director | Buy | 5,000 | $60,000 |
| 2026-08-19 | MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) | Director | Sell | 5,000 | $214,250 |
| 2026-07-16 | MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) | Director | Buy | 5,000 | $60,000 |
| 2026-07-16 | MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) | Director | Sell | 5,000 | $210,000 |
| 2026-06-17 | MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) | Director | Buy | 2,267 | $0 |
| 2026-06-17 | MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) | Director | Buy | 4,970 | $0 |
| 2026-06-12 | MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) | Director | Buy | 19,500 | $234,000 |
| 2026-06-12 | MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) | Director | Sell | 19,500 | $813,735 |
| 2025-08-19 | MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) | Director | Buy | 36,250 | $0 |
| 2025-08-19 | MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) | Director | Buy | 45,058 | $0 |
Source: SEC Form 4 filings · as of 2026-08-19