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 |
| 2026-06-15 Sale | 2026-06-17 4:08 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Brown Shelly EVP, Chief Strategy Officer | 4,714 | $44.23 | $208,500 | 316,714 (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 |
| 2026-06-08 Sale | 2026-06-10 4:29 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Jayabalan Harish EVP, CISO and CRO | 20,000 | $40.08 | $801,617 | 84,856 (Direct) | View |
| 2026-06-02 Sale | 2026-06-04 4:55 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Teekell Judson Gray Director | 3,000 | $42.78 | $128,340 | 71,014 (Direct) | View |
| 2026-06-02 Sale | 2026-06-04 4:52 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Eckert Kurt M. Director | 5,250 | $42.76 | $224,490 | 148,688 (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 |
| 2026-06-02 Sale | 2026-06-04 4:44 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Deitzel Edward EVP, CRO, CCO MIAX Exchanges | 11,000 | $42.16 | $463,760 | 123,554 (Direct) | View |
| 2026-06-02 Sale | 2026-06-04 4:40 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schafer Douglas M. JR EVP and CIO | 48,000 | $42.84 | $2,056,320 | 402,681 (Direct) | View |
| 2026-06-02 Sale | 2026-06-04 4:37 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Brown Shelly EVP, Chief Strategy Officer | 16,000 | $42.12 | $673,920 | 341,047 (Direct) | View |
| 2026-06-02 Sale | 2026-06-04 4:37 pm | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Gallagher Thomas P. Chairman & CEO | 70,000 | $42.36 | $2,965,200 | 1,863,275 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
Ownership | 2026-06-18 5:24 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Alnakib Abdulwahab A Director | 0 | $0 | 534,924 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-18 4:39 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Vermaas Cees CEO of TISEG | 9,453 | $0 | 9,453 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-18 4:31 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Jayabalan Harish EVP, CISO and CRO | 41,953 | $0 | 115,358 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-18 4:29 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Deitzel Edward EVP, CRO, CCO MIAX Exchanges | 18,905 | $0 | 129,187 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-18 4:26 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Smollen John EVP, New Product Development | 15,124 | $0 | 185,881 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-18 4:24 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schafer Douglas M. JR EVP and CIO | 47,264 | $0 | 411,380 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-18 4:21 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Emmons Lance EVP and CFO | 75,622 | $0 | 159,884 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-18 4:17 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Brown Shelly EVP, Chief Strategy Officer | 75,622 | $0 | 392,336 (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 |
| 2026-06-16 Option Award | 2026-06-18 4:13 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Gallagher Thomas P. Chairman & CEO | 472,637 | $0 | 983,599 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-17 5:07 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | BROWN DAVID A Director | 12,379 | $0 | 12,379 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 5:04 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Al-Bahar Talal Jassim Director | 7,237 | $0 | 40,891 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-17 4:43 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Lozier Kenneth W. Director | 9,808 | $0 | 10,808 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-17 4:40 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Sommers Jill E. Director | 8,654 | $0 | 8,654 (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 |
| 2026-06-15 Option Award | 2026-06-17 4:35 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Becker Lee Director | 2,267 | $0 | 2,267 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 4:33 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Massad Mark I. Director | 7,237 | $0 | 10,737 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 4:31 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Moore Lisa Director | 7,237 | $0 | 12,737 (Direct) | View |
| 2026-06-16 Exercise | 2026-06-17 4:29 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Raymond Mark F. Director | 16,000 | $12 | 67,064 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 4:29 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Raymond Mark F. Director | 7,237 | $0 | 67,064 (Direct) | View |
| 2026-06-16 Exercise | 2026-06-17 4:29 pm | N/A 2026-06-19 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Raymond Mark F. Director | 16,000 | $0 | 67,064 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 4:27 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Stahlin Paul Director | 7,237 | $0 | 42,143 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 4:24 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Beckelman John Director | 7,237 | $0 | 15,904 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 4:22 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Teekell Judson Gray Director | 7,237 | $0 | 78,251 (Direct) | View |
| 2026-06-16 Option Award | 2026-06-17 4:19 pm | N/A 2036-06-15 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Eckert Kurt M. Director | 14,950 | $0 | 157,325 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-17 3:19 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Sites Eric Director | 5,684 | $0 | 39,412 (Direct) | View |
| 2026-06-11 Tax Withholding | 2026-06-12 4:19 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Brown Shelly EVP, Chief Strategy Officer | 3,619 | $40.79 | 321,428 (Direct) | View |
| 2026-06-11 Tax Withholding | 2026-06-12 4:17 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Deitzel Edward EVP, CRO, CCO MIAX Exchanges | 5,939 | $40.79 | 110,282 (Direct) | View |
| 2026-06-11 Tax Withholding | 2026-06-12 4:16 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schafer Douglas M. JR EVP and CIO | 32,565 | $40.79 | 364,116 (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 |
| 2026-06-09 Exercise | 2026-06-11 4:42 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Stahlin Paul Director | 11,000 | $12 | 38,906 (Direct) | View |
| 2026-06-11 Tax Withholding | 2026-06-11 4:42 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Stahlin Paul Director | 1,177 | $40.79 | 38,906 (Direct) | View |
| 2026-06-09 Exercise | 2026-06-11 4:42 pm | N/A 2026-06-19 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Stahlin Paul Director | 11,000 | $0 | 38,906 (Direct) | View |
| 2026-06-08 Exercise | 2026-06-10 4:29 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Jayabalan Harish EVP, CISO and CRO | 20,000 | $12 | 84,856 (Direct) | View |
| 2026-06-08 Exercise | 2026-06-10 4:29 pm | N/A 2027-10-12 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Jayabalan Harish EVP, CISO and CRO | 20,000 | $0 | 84,856 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 4:52 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Eckert Kurt M. Director | 5,250 | $12 | 148,688 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 4:52 pm | N/A 2027-05-31 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Eckert Kurt M. Director | 5,250 | $0 | 148,688 (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 |
| 2026-06-02 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 4:44 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Deitzel Edward EVP, CRO, CCO MIAX Exchanges | 11,000 | $12 | 123,554 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 4:44 pm | N/A 2028-05-17 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Deitzel Edward EVP, CRO, CCO MIAX Exchanges | 11,000 | $0 | 123,554 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 4:40 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schafer Douglas M. JR EVP and CIO | 48,000 | $12 | 402,681 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 4:40 pm | N/A 2026-08-02 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Schafer Douglas M. JR EVP and CIO | 48,000 | $0 | 402,681 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 4:37 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Brown Shelly EVP, Chief Strategy Officer | 16,000 | $12 | 341,047 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 4:37 pm | N/A 2026-08-02 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Brown Shelly EVP, Chief Strategy Officer | 16,000 | $0 | 341,047 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 4:37 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Gallagher Thomas P. Chairman & CEO | 70,000 | $12 | 1,863,275 (Indirect) | View |
| 2026-06-02 Exercise | 2026-06-04 4:37 pm | N/A 2026-08-02 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Gallagher Thomas P. Chairman & CEO | 70,000 | $0 | 1,863,275 (Indirect) | View |
| 2026-05-19 Other | 2026-05-21 5:21 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | HORIZON KINETICS ASSET MANAGEMENT LLC 10% Owner | 2,455,744 | $0 | 4,626,642 (Indirect) | View |
| 2026-05-19 Tax Withholding | 2026-05-19 4:34 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Teekell Judson Gray Director | 4,991 | $54.51 | 74,014 (Direct) | View |
| 2026-05-19 Exercise | 2026-05-19 4:34 pm | N/A N/A | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Teekell Judson Gray Director | 22,667 | $12 | 74,014 (Direct) | View |
| 2026-05-19 Exercise | 2026-05-19 4:34 pm | N/A 2026-06-19 | MIAMI INTERNATIONAL HOLDINGS INC. | MIAX | Teekell Judson Gray Director | 22,667 | $0 | 74,014 (Direct) | View |