Insider · CIK 0002080477
Thomas P. Gallagher
Files at: MIAX. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 3, 2026 SForm 4 → | Sep 4, 4:35 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 47,000 | $42.43 | $1,994,210 | 1,423,275 | −3.20% | 10b5-1 |
| Sep 3, 2026 MForm 4 → | Sep 4, 4:35 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 89,603 | $12.99 | $1,163,972 | 786,542 | — | 10b5-1 |
| Aug 19, 2026 SForm 4 → | Aug 20, 4:12 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 149,700 | $41.13 | $6,157,161 | 1,423,275 | −9.52% | 10b5-1 |
| Aug 18, 2026 FForm 4 → | Aug 20, 4:12 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 150,300 | $42.41 | $6,374,223 | 1,572,975 | — | 10b5-1 |
| Aug 4, 2026 SForm 4 → | Aug 6, 4:05 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 48,334 | $45.69 | $2,208,380 | 1,723,275 | −2.73% | 10b5-1 |
| Aug 4, 2026 MForm 4 → | Aug 6, 4:05 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 48,334 | $12.00 | $580,008 | 1,771,609 | — | 10b5-1 |
| Jul 13, 2026 SForm 4 → | Jul 14, 4:04 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 70,000 | $42.52 | $2,976,400 | 1,723,275 | −3.90% | 10b5-1 |
| Jul 13, 2026 MForm 4 → | Jul 14, 4:04 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 70,000 | $12.00 | $840,000 | 1,793,275 | — | 10b5-1 |
| Jul 6, 2026 SForm 4 → | Jul 7, 5:03 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 70,000 | $42.16 | $2,951,381 | 1,723,275 | −3.90% | 10b5-1 |
| Jul 6, 2026 MForm 4 → | Jul 7, 5:03 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 70,000 | $12.00 | $840,000 | 1,751,503 | — | 10b5-1 |
| Jun 16, 2026 AForm 4 → | Jun 18, 4:13 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 232,977 | — | — | 743,939 | — | |
| Jun 2, 2026 SForm 4 → | Jun 4, 4:37 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 70,000 | $42.36 | $2,965,200 | 1,723,275 | −3.90% | 10b5-1 |
| Jun 2, 2026 MForm 4 → | Jun 4, 4:37 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 70,000 | $12.00 | $840,000 | 1,793,275 | — | 10b5-1 |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 3, 2026 MForm 4 → | Sep 4, 4:35 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 89,603 | — | — | 8,928 | — | 10b5-1 |
| Aug 4, 2026 MForm 4 → | Aug 6, 4:05 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 48,334 | — | — | 235,000 | — | 10b5-1 |
| Jul 13, 2026 MForm 4 → | Jul 14, 4:04 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 70,000 | — | — | 0 | — | 10b5-1 |
| Jul 6, 2026 MForm 4 → | Jul 7, 5:03 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 70,000 | — | — | 70,000 | — | 10b5-1 |
| Jun 16, 2026 AForm 4 → | Jun 18, 4:13 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 239,660 | — | — | 237,175 | — | |
| Jun 2, 2026 MForm 4 → | Jun 4, 4:37 pm EDT | MIAMI INTERNATIONAL HOLDINGS, INC.MIAX | 70,000 | — | — | 140,000 | — | 10b5-1 |