| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| Gallagher Thomas P. | Chairman & CEO | Apr 15 '26 | Option Exercise | 12.00 | 70,001 | 840,012 | 1,897,400 | Apr 17 04:17 PM | | Gallagher Thomas P. | Chairman & CEO | Apr 15 '26 | Sale | 43.36 | 174,125 | 7,550,060 | 1,723,275 | Apr 17 04:17 PM | | Gallagher Thomas P. | Chairman & CEO | Apr 15 '26 | Sale | 43.68 | 49,900 | 2,179,632 | 485,963 | Apr 17 04:17 PM | | Comly Barbara J. | EVP, GC & Corporate Secretary | Apr 15 '26 | Option Exercise | 12.00 | 29,667 | 356,004 | 873,511 | Apr 17 04:15 PM | | Comly Barbara J. | EVP, GC & Corporate Secretary | Apr 15 '26 | Sale | 43.64 | 29,667 | 1,294,668 | 843,844 | Apr 17 04:15 PM | | BARBARA J COMLY | Officer | Apr 15 '26 | Proposed Sale | 42.91 | 141,667 | 6,078,931 | | Apr 15 04:55 PM | | GALLAGHER INVESTMENTS LLC | Director | Apr 15 '26 | Proposed Sale | 42.91 | 454,125 | 19,486,504 | | Apr 15 04:53 PM | | THOMAS P GALLAGHER | Director | Apr 15 '26 | Proposed Sale | 42.91 | 49,900 | 2,141,209 | | Apr 15 04:42 PM | | Beckelman John | Director | Apr 09 '26 | Option Exercise | 12.00 | 8,667 | 104,004 | 8,667 | Apr 10 06:41 PM | | Brown Shelly | EVP, Chief Strategy Officer | Apr 08 '26 | Option Exercise | 12.00 | 16,434 | 197,208 | 341,481 | Apr 09 04:20 PM | | Brown Shelly | EVP, Chief Strategy Officer | Apr 08 '26 | Sale | 42.08 | 16,434 | 691,543 | 325,047 | Apr 09 04:20 PM | | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | Apr 08 '26 | Option Exercise | 12.00 | 7,572 | 90,864 | 123,793 | Apr 09 04:15 PM | | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | Apr 07 '26 | Option Exercise | 12.00 | 4,763 | 57,156 | 120,222 | Apr 09 04:15 PM | | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | Apr 08 '26 | Sale | 42.02 | 7,572 | 318,175 | 116,221 | Apr 09 04:15 PM | | Deitzel Edward | EVP, CRO, CCO MIAX Exchanges | Apr 07 '26 | Sale | 42.00 | 4,763 | 200,046 | 116,221 | Apr 09 04:15 PM | | Brown Shelly | EVP, Chief Strategy Officer | Apr 06 '26 | Sale | 41.33 | 2,357 | 97,415 | 325,047 | Apr 08 04:19 PM | | Brown Shelly | EVP, Chief Strategy Officer | Apr 07 '26 | Sale | 42.00 | 900 | 37,800 | 324,147 | Apr 08 04:19 PM | | EDWARD DEITZEL | Officer | Apr 07 '26 | Proposed Sale | 41.63 | 12,335 | 513,506 | | Apr 07 04:30 PM | | SHELLY BROWN | Officer | Apr 07 '26 | Proposed Sale | 41.63 | 17,334 | 721,614 | | Apr 07 04:29 PM | | SHELLY BROWN | Officer | Apr 06 '26 | Proposed Sale | 40.17 | 2,357 | 94,681 | | Apr 06 04:25 PM | | Teekell Judson Gray | Director | Apr 02 '26 | Sale | 40.00 | 2,700 | 108,000 | 59,338 | Apr 03 08:48 AM | | Brown Shelly | EVP, Chief Strategy Officer | Mar 30 '26 | Option Exercise | 16.66 | 30,016 | 499,947 | 327,404 | Apr 01 04:45 PM | | Teekell Judson Gray | Director | Mar 25 '26 | Sale | 40.00 | 300 | 12,000 | 62,038 | Mar 26 04:32 PM | | J. GRAY TEEKELL | Director | Mar 25 '26 | Proposed Sale | 39.46 | 3,000 | 118,380 | | Mar 25 04:23 PM | | Brown Shelly | EVP, Chief Strategy Officer | Mar 23 '26 | Sale | 39.33 | 25,932 | 1,019,906 | 299,197 | Mar 24 05:28 PM | | SHELLY BROWN | Officer | Mar 23 '26 | Proposed Sale | 39.10 | 25,932 | 1,013,941 | | Mar 23 04:35 PM | | 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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