List of insiders holdings for MIAMI INTERNATIONAL HOLDINGS INC.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- 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>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | STAHL MURRAY HORIZON KINETICS ASSET MANAGEMENT LLC Director | 2026-05-21 12:00:58 | 7,400,316 0 | 7,400,316 | Form 13D |
| 2 | HORIZON KINETICS ASSET MANAGEMENT LLC 10% Owner | 2026-05-21 17:21:22 | 0 4,626,642 | 4,626,642 | Form 4 |
| 3 | Gallagher Thomas P. Chairman & CEO | 2026-09-04 16:35:00 | 795,470 1,611,275 | 2,406,745 | Form 4 |
| 4 | Comly Barbara J. EVP, GC & Corporate Secretary | 2026-09-04 16:31:13 | 884,008 0 | 884,008 | Form 4 |
| 5 | Schafer Douglas M. JR EVP and CIO | 2026-10-06 17:28:46 | 542,748 0 | 542,748 | Form 4 |
| 6 | Alnakib Abdulwahab A Director | 2026-06-18 17:24:13 | 4,970 529,954 | 534,924 | Form 3 |
| 7 | Brown Shelly EVP, Chief Strategy Officer | 2026-09-17 16:43:30 | 316,490 0 | 316,490 | Form 4 |
| 8 | Smollen John EVP, New Product Development | 2026-06-18 16:26:33 | 185,881 0 | 185,881 | Form 4 |
| 9 | Deitzel Edward EVP, CRO, CCO MIAX Exchanges | 2026-09-04 16:28:01 | 185,601 0 | 185,601 | Form 4 |
| 10 | Teekell Judson Gray Director | 2026-09-04 16:21:38 | 69,251 81,000 | 150,251 | Form 4 |
| 11 | Eckert Kurt M. Director | 2026-08-06 16:11:57 | 149,612 0 | 149,612 | Form 4 |
| 12 | Schwarzkopf Cynthia Director | 2026-08-19 16:12:08 | 100,461 0 | 100,461 | Form 4 |
| 13 | Jayabalan Harish EVP, CISO and CRO | 2026-09-29 16:46:16 | 94,731 0 | 94,731 | Form 4 |
| 14 | Emmons Lance EVP and CFO | 2026-08-19 16:10:19 | 86,538 0 | 86,538 | Form 4 |
| 15 | Raymond Mark F. Director | 2026-06-17 16:29:01 | 67,064 0 | 67,064 | Form 4 |
| 16 | Stahlin Paul Director | 2026-06-17 16:27:06 | 42,143 0 | 42,143 | Form 4 |
| 17 | Al-Bahar Talal Jassim Director | 2026-06-17 17:04:02 | 40,891 0 | 40,891 | Form 4 |
| 18 | Sites Eric Director | 2026-06-17 15:19:32 | 39,412 0 | 39,412 | Form 4 |
| 19 | Beckelman John Director | 2026-06-17 16:24:58 | 15,904 0 | 15,904 | Form 4 |
| 20 | Moore Lisa Director | 2026-06-17 16:31:43 | 12,737 0 | 12,737 | Form 4 |
| 21 | Lozier Kenneth W. Director | 2026-06-17 16:43:15 | 10,808 0 | 10,808 | Form 4 |
| 22 | Massad Mark I. Director | 2026-06-17 16:33:01 | 10,737 0 | 10,737 | Form 4 |
| 23 | Vermaas Cees CEO of TISEG | 2026-06-18 16:39:08 | 9,453 0 | 9,453 | Form 4 |
| 24 | Sommers Jill E. Director | 2026-06-17 16:40:58 | 8,654 0 | 8,654 | Form 4 |
| 25 | BROWN DAVID A Director | 2026-07-09 16:04:37 | 7,066 0 | 7,066 | Form 4 |
| 26 | Nazarali Jamil Director | 2025-08-15 16:49:15 | 2,500 0 | 2,500 | Form 4 |
| 27 | Becker Lee Director | 2026-06-17 16:35:09 | 2,267 0 | 2,267 | Form 4 |