SEC CIK 1341363
Durkin Bryan T
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| CMEview stock → | 43,652 | 2026-06-25 |
Position History — CME
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — CME
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-06-25 | Grant / award | 645 | $225.00 | 43,652 |
| 2026-02-23 | Open-market sale | 4,200 | $309.65 | 43,007 |
| 2025-06-25 | Grant / award | 532 | $273.03 | 47,207 |
| 2024-09-03 | Gift | 465 | $0.00 | 55,142 |
| 2024-08-30 | Open-market sale | 7,593 | $214.59 | 55,607 |
| 2024-06-25 | Grant / award | 748 | $194.10 | 63,200 |
| 2023-12-11 | Open-market sale | 5,560 | $216.37 | 62,452 |
| 2023-06-26 | Grant / award | 811 | $178.89 | 68,012 |
| 2023-02-16 | Gift | 1,367 | $0.00 | 67,201 |
| 2022-06-27 | Grant / award | 693 | $209.44 | 68,568 |
| 2022-01-25 | Grant / award | 47 | $221.79 | 67,875 |
| 2021-11-08 | Gift | 169 | $0.00 | 68,118 |
| 2021-11-08 | Gift | 290 | $0.00 | 67,828 |
| 2021-11-05 | Open-market sale | 179 | $220.76 | 68,287 |
| 2021-11-05 | Open-market sale | 6,583 | $222.40 | 71,704 |
| 2021-11-05 | Open-market sale | 3,238 | $221.46 | 68,466 |
| 2021-10-25 | Grant / award | 368 | $217.69 | 78,287 |
| 2021-09-16 | Tax withholding | 666 | $188.69 | 77,919 |
| 2021-09-15 | Tax withholding | 859 | $188.96 | 78,585 |
| 2021-09-14 | Tax withholding | 769 | $188.85 | 79,444 |
| 2021-03-15 | Tax withholding | 5,975 | $209.09 | 80,213 |
| 2021-03-15 | Grant / award | 15,038 | $209.09 | 86,188 |
| 2021-02-19 | Open-market sale | 7,500 | $195.33 | 74,650 |
| 2021-02-19 | Open-market sale | 3,500 | $196.11 | 71,150 |
| 2020-05-21 | Open-market sale | 9,000 | $180.11 | 82,150 |
| 2020-03-15 | Tax withholding | 4,257 | $182.01 | 91,150 |
| 2020-03-15 | Grant / award | 9,608 | $0.00 | 95,407 |
| 2020-03-15 | Tax withholding | 4,257 | $182.01 | 85,799 |
| 2020-03-15 | Grant / award | 9,608 | $0.00 | 90,056 |
| 2019-09-16 | Grant / award | 6,520 | $0.00 | 80,448 |
| 2019-09-15 | Tax withholding | 705 | $205.80 | 75,828 |
| 2019-09-15 | Tax withholding | 945 | $205.80 | 73,928 |
| 2019-09-15 | Tax withholding | 955 | $205.80 | 74,873 |
| 2019-09-14 | Tax withholding | 839 | $205.80 | 76,533 |
| 2019-03-15 | Tax withholding | 3,257 | $170.14 | 77,372 |
| 2019-03-15 | Grant / award | 7,350 | $0.00 | 80,629 |
| 2019-03-15 | Tax withholding | 3,257 | $170.14 | 73,279 |
| 2019-03-15 | Grant / award | 7,350 | $0.00 | 76,536 |
| 2018-09-15 | Tax withholding | 822 | $173.15 | 69,186 |
| 2018-09-15 | Tax withholding | 712 | $173.15 | 71,946 |
| 2018-09-15 | Tax withholding | 971 | $173.15 | 70,975 |
| 2018-09-15 | Tax withholding | 967 | $173.15 | 70,008 |
| 2018-09-14 | Grant / award | 7,796 | $0.00 | 72,658 |
| 2018-08-06 | Open-market sale | 11,509 | $162.01 | 64,862 |
| 2018-03-15 | Tax withholding | 7,124 | $165.66 | 76,371 |
| 2018-03-15 | Grant / award | 16,078 | $0.00 | 83,495 |
| 2017-09-16 | Tax withholding | 715 | $131.29 | 67,417 |
| 2017-09-15 | Tax withholding | 2,746 | $131.29 | 68,132 |
| 2017-09-15 | Grant / award | 9,140 | $0.00 | 70,878 |
| 2017-08-08 | Option exercise (derivative) | 9,200 | $0.00 | 0 |
| 2017-08-08 | Option exercise | 9,200 | $109.72 | 70,938 |
| 2017-08-08 | Open-market sale | 9,200 | $125.13 | 61,738 |
| 2017-03-15 | Grant / award | 14,640 | $0.00 | 61,738 |
| 2017-03-15 | Tax withholding | 6,582 | $124.74 | 47,098 |
| 2016-12-28 | Option exercise (derivative) | 2,606 | $0.00 | 0 |
| 2016-12-28 | Option exercise | 2,606 | $54.30 | 56,286 |
| 2016-12-28 | Open-market sale | 2,606 | $116.39 | 53,680 |
| 2016-12-28 | Option exercise | 12,280 | $54.37 | 65,960 |
| 2016-11-30 | Option exercise (derivative) | 15,000 | $0.00 | 2,606 |
| 2016-11-30 | Open-market sale | 15,000 | $112.85 | 53,680 |
| 2016-11-30 | Option exercise | 15,000 | $54.30 | 68,680 |
| 2016-10-31 | Option exercise (derivative) | 10,226 | $0.00 | 0 |
| 2016-10-31 | Option exercise (derivative) | 4,774 | $0.00 | 17,606 |
| 2016-10-31 | Option exercise | 10,226 | $56.87 | 63,906 |
| 2016-10-31 | Option exercise | 4,774 | $54.30 | 58,454 |
| 2016-10-31 | Open-market sale | 10,226 | $100.00 | 53,680 |
| 2016-09-28 | Option exercise (derivative) | 1,734 | $0.00 | 10,226 |
| 2016-09-28 | Option exercise (derivative) | 11,600 | $0.00 | 0 |
| 2016-09-28 | Option exercise | 11,600 | $83.88 | 66,936 |
| 2016-09-28 | Open-market sale | 1,656 | $105.20 | 53,680 |
| 2016-09-28 | Option exercise | 1,734 | $56.87 | 57,070 |
| 2016-09-28 | Open-market sale | 11,600 | $105.09 | 55,336 |
| 2016-09-16 | Tax withholding | 713 | $109.65 | 55,336 |
| 2016-09-15 | Tax withholding | 1,695 | $109.28 | 46,441 |
| 2016-09-15 | Grant / award | 9,608 | $0.00 | 56,049 |
| 2016-09-14 | Tax withholding | 831 | $107.55 | 48,136 |
| 2016-09-06 | Open-market sale | 15,000 | $107.75 | 48,967 |
| 2016-06-14 | Gift | 1,014 | $0.00 | 63,967 |
| 2016-03-15 | Grant / award | 17,828 | $0.00 | 64,981 |
| 2016-03-15 | Tax withholding | 8,513 | $96.71 | 47,153 |
| 2015-11-20 | Option exercise (derivative) | 11,250 | $0.00 | 0 |
| 2015-11-20 | Option exercise | 11,250 | $50.01 | 66,916 |
| 2015-11-20 | Open-market sale | 11,250 | $98.00 | 55,666 |
| 2015-09-16 | Tax withholding | 749 | $95.37 | 55,666 |
| 2015-09-15 | Tax withholding | 1,896 | $95.24 | 49,067 |
| 2015-09-15 | Grant / award | 7,348 | $0.00 | 56,415 |
| 2015-09-14 | Tax withholding | 757 | $94.44 | 50,963 |
| 2015-03-15 | Tax withholding | 239 | $96.83 | 51,720 |
| 2014-09-16 | Tax withholding | 805 | $79.87 | 51,959 |
| 2014-09-15 | Grant / award | 8,768 | $0.00 | 52,764 |
| 2014-09-15 | Tax withholding | 2,000 | $79.82 | 43,996 |
| 2014-09-14 | Tax withholding | 934 | $79.33 | 45,996 |
| 2014-09-02 | Option exercise (derivative) | 18,750 | $0.00 | 0 |
| 2014-09-02 | Option exercise | 6,875 | $28.80 | 53,805 |
| 2014-09-02 | Option exercise | 18,750 | $28.80 | 65,680 |
| 2014-09-02 | Open-market sale | 6,875 | $76.75 | 46,930 |
| 2014-03-15 | Tax withholding | 269 | $75.36 | 46,930 |
| 2013-09-16 | Grant / award | 7,320 | $0.00 | 47,199 |
| 2013-09-15 | Tax withholding | 971 | $72.35 | 39,879 |
| 2013-09-15 | Tax withholding | 479 | $72.35 | 40,850 |
| 2013-09-15 | Tax withholding | 1,072 | $72.35 | 41,329 |
| 2013-09-14 | Tax withholding | 996 | $72.35 | 42,401 |
| 2013-06-16 | Tax withholding | 132 | $74.29 | 43,397 |
| 2013-03-15 | Tax withholding | 1,742 | $63.14 | 43,529 |
| 2013-03-08 | Grant / award | 3,828 | $0.00 | 45,271 |
| 2012-09-15 | Tax withholding | 466 | $58.89 | 42,985 |
| 2012-09-15 | Tax withholding | 840 | $58.89 | 42,145 |
| 2012-09-15 | Tax withholding | 702 | $58.89 | 41,443 |
| 2012-09-14 | Grant / award | 8,916 | $0.00 | 43,451 |
| 2012-09-14 | Tax withholding | 90 | $58.89 | 34,535 |
| 2011-09-15 | Grant / award (derivative) | 2,456 | $0.00 | 2,456 |
| 2011-09-15 | Grant / award | 1,992 | $0.00 | 6,925 |
| 2011-03-15 | Grant / award | 1,063 | $0.00 | 4,933 |
| 2010-09-15 | Grant / award (derivative) | 4,476 | $0.00 | 4,476 |
| 2010-09-15 | Grant / award | 1,996 | $0.00 | 3,870 |
| 2009-09-15 | Grant / award (derivative) | 2,392 | $0.00 | 2,392 |
| 2009-09-15 | Grant / award | 1,184 | $0.00 | 1,874 |
| 2008-06-16 | Grant / award (derivative) | 2,320 | $0.00 | 2,320 |
| 2008-06-16 | Grant / award | 405 | $0.00 | 690 |
| 2008-02-22 | Option exercise (derivative) | 500 | $0.00 | 5,125 |
| 2008-02-22 | Open-market sale | 500 | $525.00 | 285 |
| 2008-02-22 | Option exercise | 500 | $144.00 | 785 |
| 2008-01-30 | Option exercise (derivative) | 1,375 | $0.00 | 5,625 |
| 2008-01-30 | Open-market sale | 1,375 | $611.50 | 285 |
| 2008-01-30 | Option exercise | 1,375 | $144.00 | 1,660 |
| 2008-01-15 | Option exercise (derivative) | 750 | $0.00 | 2,250 |
| 2008-01-15 | Option exercise (derivative) | 500 | $0.00 | 7,000 |
| 2008-01-15 | Option exercise (derivative) | 250 | $0.00 | 0 |
| 2008-01-15 | Option exercise | 250 | $403.92 | 535 |
| 2008-01-15 | Open-market sale | 750 | $616.75 | 285 |
| 2008-01-15 | Option exercise | 750 | $250.03 | 1,035 |
| 2008-01-15 | Option exercise | 500 | $144.00 | 785 |
| 2007-11-20 | Option exercise (derivative) | 782 | $0.00 | 250 |
| 2007-11-20 | Open-market sale | 782 | $649.25 | 285 |
| 2007-11-20 | Option exercise | 782 | $403.92 | 1,067 |
| 2007-11-02 | Option exercise (derivative) | 1,218 | $0.00 | 1,032 |
| 2007-11-02 | Open-market sale | 1,218 | $651.56 | 285 |
| 2007-11-02 | Option exercise | 1,218 | $403.92 | 1,503 |
| 2007-09-14 | Grant / award (derivative) | 1,840 | $0.00 | 1,840 |
| 2007-09-14 | Grant / award | 285 | $0.00 | 285 |
| 2007-07-12 | Grant / award (derivative) | 3,000 | — | 3,000 |
| 2007-07-12 | Grant / award (derivative) | 7,500 | — | 7,500 |
| 2007-07-12 | Grant / award (derivative) | 2,250 | — | 2,250 |
| 2007-07-12 | — | — | — | 0 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.