Miami International Holdings, Inc. engages in the provision of trading technology solutions. It operates through the following segments: Options, Equities, and Futures. The Options segment consists of listed options on the stocks of individual equities and options on exchange traded products (ETP), such as exchange-traded funds (ETF), which are multi-listed options and listed on a non-exclusive basis. The Equities segment includes listed U.S. equities and ETP transaction services that occur on MIAX Pearl as well as BSX. The Futures segment relates to futures transaction services provided by futures exchange and clearing house, MIAX Futures, Dorman Trading, and LedgerX. The company was founded by Thomas P. Gallagher and Barbara J. Comly on November 14, 2007 and is headquartered in Princeton, NJ. |  |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| Eckert Kurt M. | Director | Mar 19 '26 | Option Exercise | 12.00 | 12,917 | 155,004 | 180,292 | Mar 20 04:48 PM | | Eckert Kurt M. | Director | Mar 19 '26 | Sale | 39.00 | 37,917 | 1,478,763 | 142,375 | Mar 20 04:48 PM | | KURT M ECKERT | Director | Mar 19 '26 | Proposed Sale | 39.55 | 48,792 | 1,929,724 | | Mar 19 04:19 PM | | Schafer Douglas M. JR | EVP and CIO | Mar 17 '26 | Option Exercise | 12.00 | 48,000 | 576,000 | 444,681 | Mar 18 04:23 PM | | Schafer Douglas M. JR | EVP and CIO | Mar 17 '26 | Sale | 39.74 | 48,000 | 1,907,520 | 396,681 | Mar 18 04:23 PM | | DOUGLAS M. SCHAFER JR. | Officer | Mar 17 '26 | Proposed Sale | 39.49 | 144,000 | 5,686,560 | | Mar 17 04:29 PM | | Comly Barbara J. | EVP, GC & Corporate Secretary | Mar 09 '26 | Option Exercise | 12.00 | 33,332 | 399,984 | 845,292 | Mar 10 04:40 PM | | STAHL MURRAY | Director | Mar 05 '26 | Buy | 43.08 | 7,200 | 310,176 | 4,633,842 | Mar 06 05:57 PM | | STAHL MURRAY | Director | Mar 04 '26 | Buy | 43.38 | 7,200 | 312,336 | 4,696,666 | Mar 05 02:44 PM | | STAHL MURRAY | Director | Mar 02 '26 | Sale | 40.92 | 121,054 | 4,953,530 | 4,689,466 | Mar 04 03:22 PM | | Brown Shelly | EVP, Chief Strategy Officer | Dec 16 '25 | Option Exercise | 12.00 | 33,332 | 399,984 | 345,031 | Dec 17 04:23 PM | | Emmons Lance | EVP and CFO | Dec 16 '25 | Option Exercise | 14.94 | 33,456 | 499,964 | 127,612 | Dec 17 04:22 PM | | STAHL MURRAY | Director | Dec 12 '25 | Buy | 41.00 | 2,439 | 99,999 | 4,560,364 | Dec 15 03:53 PM | | STAHL MURRAY | Director | Oct 03 '25 | Buy | 41.97 | 2 | 84 | 4,557,925 | Oct 06 04:20 PM | | STAHL MURRAY | Director | Sep 26 '25 | Buy | 41.76 | 4 | 167 | 4,557,923 | Sep 30 03:17 PM | | STAHL MURRAY | Director | Aug 28 '25 | Buy | 36.10 | 34,470 | 1,244,367 | 4,557,919 | Sep 30 02:28 PM | | Smollen John | EVP Traded Products & Relation | Sep 11 '25 | Option Exercise | 12.00 | 150,000 | 1,800,000 | 193,174 | Sep 15 05:14 PM | | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | Sep 09 '25 | Option Exercise | 12.00 | 62,500 | 750,000 | 144,387 | Sep 11 04:11 PM | | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | Sep 11 '25 | Option Exercise | 12.00 | 16,666 | 199,992 | 122,963 | Sep 11 04:11 PM | | Jayabalan Harish | EVP, CISO and CRO | Sep 09 '25 | Option Exercise | 12.00 | 25,000 | 300,000 | 75,385 | Sep 11 04:09 PM | | Emmons Lance | EVP and CFO | Aug 14 '25 | Buy | 31.44 | 4 | 126 | 4 | Aug 18 04:05 PM | | Moore Lisa | Director | Aug 13 '25 | Buy | 23.00 | 5,500 | 126,500 | 5,500 | Aug 15 04:49 PM | | Jayabalan Harish | EVP, CISO and CRO | Aug 13 '25 | Buy | 23.00 | 2,500 | 57,500 | 6,443 | Aug 15 04:49 PM | | Stahlin Paul | Director | Aug 13 '25 | Buy | 23.00 | 1,000 | 23,000 | 1,000 | Aug 15 04:49 PM | | Nazarali Jamil | Director | Aug 13 '25 | Buy | 23.00 | 2,500 | 57,500 | 2,500 | Aug 15 04:49 PM | | Smollen John | EVP Traded Products & Relation | Aug 13 '25 | Buy | 23.00 | 5,000 | 115,000 | 7,226 | Aug 15 04:48 PM | | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | Aug 13 '25 | Buy | 23.00 | 100 | 2,300 | 32,193 | Aug 15 04:48 PM | | Gallagher Thomas P. | Chairman & CEO | Aug 13 '25 | Buy | 23.00 | 12,000 | 276,000 | 12,000 | Aug 15 04:48 PM | | Lozier Kenneth W. | Director | Aug 13 '25 | Buy | 23.00 | 1,000 | 23,000 | 1,000 | Aug 15 04:48 PM | | Massad Mark I. | Director | Aug 13 '25 | Buy | 23.00 | 4,500 | 103,500 | 2,500 | Aug 15 04:48 PM | | Massad Mark I. | Director | Aug 13 '25 | Buy | 23.00 | 3,500 | 80,500 | 3,500 | Aug 15 04:48 PM |
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