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 |
| 2026-08-04 Sale | 2026-08-06 4:09 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 44,445 | $45.69 | $2,030,692 | 971,873 (Direct) | View |
| 2026-07-13 Sale | 2026-07-14 4:07 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $41.98 | $1,175,440 | 882,984 (Direct) | View |
| 2026-07-02 Sale | 2026-07-07 4:06 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $41.22 | $1,154,160 | 910,984 (Direct) | View |
| 2026-06-02 Sale | 2026-06-04 4:46 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $42.85 | $1,199,800 | 899,844 (Direct) | View |
| 2026-05-04 Sale | 2026-05-05 07:30 am | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $47.26 | $1,323,280 | 927,844 (Direct) | View |
| 2026-04-15 Sale | 2026-04-17 4:15 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 29,667 | $43.64 | $1,294,668 | 955,844 (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 |
| 2026-08-18 Tax Withholding | 2026-08-20 4:11 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 43,420 | $42.41 | 839,564 (Direct) | View |
| 2026-08-04 Exercise | 2026-08-06 4:09 pm | N/A 2028-05-28 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 44,445 | $0 | 971,873 (Direct) | View |
| 2026-08-04 Exercise | 2026-08-06 4:09 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 44,445 | $12 | 971,873 (Direct) | View |
| 2026-07-13 Exercise | 2026-07-14 4:07 pm | N/A 2026-08-02 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $0 | 882,984 (Direct) | View |
| 2026-07-13 Exercise | 2026-07-14 4:07 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $12 | 882,984 (Direct) | View |
| 2026-07-02 Exercise | 2026-07-07 4:06 pm | N/A 2026-08-02 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $0 | 910,984 (Direct) | View |
| 2026-07-02 Exercise | 2026-07-07 4:06 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $12 | 910,984 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-18 4:16 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 79,403 | $0 | 923,247 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 4:46 pm | N/A 2026-08-02 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $0 | 899,844 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 4:46 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $12 | 899,844 (Direct) | View |
| 2026-05-04 Exercise | 2026-05-05 07:30 am | N/A 2026-08-02 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $0 | 927,844 (Direct) | View |
| 2026-05-04 Exercise | 2026-05-05 07:30 am | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 28,000 | $12 | 927,844 (Direct) | View |
| 2026-04-15 Exercise | 2026-04-17 4:15 pm | N/A 2026-08-02 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 29,667 | $0 | 955,844 (Direct) | View |
| 2026-04-15 Exercise | 2026-04-17 4:15 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 29,667 | $12 | 955,844 (Direct) | View |
| 2026-03-30 Tax Withholding | 2026-04-01 4:43 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 1,448 | $37.5 | 843,844 (Direct) | View |
| 2026-03-09 Exercise | 2026-03-10 4:40 pm | N/A 2026-08-02 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 33,332 | $0 | 845,292 (Direct) | View |
| 2026-03-09 Exercise | 2026-03-10 4:40 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 24,999 | $12 | 845,292 (Direct) | View |
| 2025-08-15 Conversion | 2025-08-19 4:06 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 231,117 | $0 | 1,561,960 (Direct) | View |
| 2025-08-15 Exercise | 2025-08-19 4:06 pm | N/A 2026-08-02 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 1,500,000 | $0 | 1,561,960 (Direct) | View |
| 2025-08-13 Tax Withholding | 2025-08-15 4:48 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 313,125 | $23 | 711,460 (Direct) | View |
Ownership | 2025-08-13 5:09 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Comly Barbara J. EVP, GC & Corporate Secretary | 0 | $0 | 2,175,085 (Direct) | View |