SEC CIK 1412636
Chou John G.
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| CORview stock → | 81,367 | 2021-12-20 |
Position History — COR
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — COR
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2021-12-20 | Gift | 3,276 | $0.00 | 81,367 |
| 2021-11-14 | Option exercise (derivative) | 4,689 | $0.00 | 0 |
| 2021-11-14 | Tax withholding | 2,039 | $125.34 | 84,643 |
| 2021-11-14 | Option exercise | 4,689 | — | 86,682 |
| 2021-11-12 | Grant / award | 23,442 | — | 92,186 |
| 2021-11-12 | Tax withholding | 10,193 | $119.45 | 81,993 |
| 2021-11-10 | Option exercise (derivative) | 2,907 | $0.00 | 5,814 |
| 2021-11-10 | Tax withholding | 1,264 | $125.68 | 68,744 |
| 2021-11-10 | Option exercise | 2,907 | — | 70,008 |
| 2021-08-19 | Option exercise (derivative) | 6,081 | $0.00 | 0 |
| 2021-08-19 | Open-market sale | 6,081 | $117.94 | 67,101 |
| 2021-08-19 | Option exercise | 6,081 | $88.71 | 73,182 |
| 2021-07-19 | Option exercise (derivative) | 6,082 | $0.00 | 6,081 |
| 2021-07-19 | Open-market sale | 6,082 | $112.09 | 67,101 |
| 2021-07-19 | Option exercise | 6,082 | $88.71 | 73,183 |
| 2021-06-18 | Option exercise (derivative) | 6,082 | $0.00 | 12,163 |
| 2021-06-18 | Option exercise | 6,082 | $88.71 | 73,183 |
| 2021-06-18 | Open-market sale | 6,082 | $117.23 | 67,101 |
| 2021-05-19 | Option exercise (derivative) | 6,082 | $0.00 | 18,245 |
| 2021-05-19 | Open-market sale | 6,082 | $116.71 | 67,101 |
| 2021-05-19 | Option exercise | 6,082 | $88.71 | 73,183 |
| 2021-04-19 | Option exercise (derivative) | 6,082 | $0.00 | 24,327 |
| 2021-04-19 | Open-market sale | 6,082 | $120.00 | 67,101 |
| 2021-04-19 | Option exercise | 6,082 | $88.71 | 73,183 |
| 2021-03-19 | Option exercise (derivative) | 6,082 | $0.00 | 30,409 |
| 2021-03-19 | Option exercise | 6,082 | $88.71 | 73,183 |
| 2021-03-19 | Open-market sale | 6,082 | $115.35 | 67,101 |
| 2021-02-12 | Gift | 2,000 | $0.00 | 67,101 |
| 2020-11-13 | Option exercise (derivative) | 5,417 | $0.00 | 0 |
| 2020-11-13 | Option exercise | 5,417 | — | 46,252 |
| 2020-11-13 | Tax withholding | 2,356 | $108.12 | 43,896 |
| 2020-11-11 | Tax withholding | 10,960 | $96.92 | 66,040 |
| 2020-11-11 | Option exercise | 25,205 | — | 77,000 |
| 2020-11-10 | Grant / award (derivative) | 8,721 | — | 8,721 |
| 2020-11-09 | Option exercise (derivative) | 5,602 | $0.00 | 0 |
| 2020-11-09 | Option exercise | 5,602 | $68.49 | 57,397 |
| 2020-11-09 | Open-market sale | 5,602 | $108.42 | 51,795 |
| 2020-10-15 | Option exercise (derivative) | 5,602 | $0.00 | 5,602 |
| 2020-10-15 | Option exercise | 5,602 | $68.49 | 57,397 |
| 2020-10-15 | Open-market sale | 5,602 | $97.89 | 51,795 |
| 2020-09-15 | Option exercise (derivative) | 5,602 | $0.00 | 11,204 |
| 2020-09-15 | Option exercise | 5,602 | $68.49 | 57,397 |
| 2020-09-15 | Open-market sale | 5,602 | $94.88 | 51,795 |
| 2020-08-17 | Option exercise (derivative) | 5,602 | $0.00 | 16,806 |
| 2020-08-17 | Option exercise | 5,602 | $68.49 | 57,397 |
| 2020-08-17 | Open-market sale | 5,602 | $104.28 | 51,795 |
| 2020-07-15 | Option exercise (derivative) | 5,602 | $0.00 | 22,408 |
| 2020-07-15 | Option exercise | 5,602 | $68.49 | 57,397 |
| 2020-07-15 | Open-market sale | 5,602 | $100.43 | 51,795 |
| 2020-06-15 | Option exercise (derivative) | 5,603 | $0.00 | 28,010 |
| 2020-06-15 | Open-market sale | 5,603 | $93.44 | 51,795 |
| 2020-06-15 | Option exercise | 5,603 | $68.49 | 57,398 |
| 2020-05-15 | Option exercise (derivative) | 5,603 | $0.00 | 33,613 |
| 2020-05-15 | Option exercise | 5,603 | $68.49 | 57,398 |
| 2020-05-15 | Open-market sale | 5,603 | $83.36 | 51,795 |
| 2020-03-17 | Gift | 2,000 | $86.06 | 51,795 |
| 2019-11-21 | Gift | 1,150 | $0.00 | 53,795 |
| 2019-11-21 | Gift | 1,150 | $0.00 | 54,945 |
| 2019-11-14 | Tax withholding | 1,017 | $82.33 | 56,095 |
| 2019-11-14 | Grant / award | 2,338 | — | 57,112 |
| 2019-11-13 | Grant / award (derivative) | 41,542 | $86.09 | 41,542 |
| 2019-11-13 | Grant / award (derivative) | 5,344 | — | 5,344 |
| 2019-11-08 | Option exercise (derivative) | 5,290 | $0.00 | 0 |
| 2019-11-08 | Option exercise | 5,290 | — | 57,075 |
| 2019-11-08 | Tax withholding | 2,301 | $86.07 | 54,774 |
| 2019-11-05 | Option exercise (derivative) | 13,997 | $0.00 | 0 |
| 2019-11-05 | Option exercise | 13,997 | $40.21 | 65,782 |
| 2019-11-05 | Open-market sale | 13,997 | $87.90 | 51,785 |
| 2019-10-07 | Option exercise (derivative) | 13,997 | $0.00 | 13,997 |
| 2019-10-07 | Option exercise | 13,997 | $40.21 | 65,782 |
| 2019-10-07 | Open-market sale | 13,997 | $81.48 | 51,785 |
| 2019-09-05 | Option exercise (derivative) | 13,997 | $0.00 | 27,994 |
| 2019-09-05 | Option exercise | 13,997 | $40.21 | 65,782 |
| 2019-09-05 | Open-market sale | 13,997 | $86.29 | 51,785 |
| 2019-08-05 | Option exercise (derivative) | 13,997 | $0.00 | 41,991 |
| 2019-08-05 | Open-market sale | 13,997 | $89.58 | 51,785 |
| 2019-08-05 | Option exercise | 13,997 | $40.21 | 65,782 |
| 2019-02-15 | Option exercise (derivative) | 6,974 | $0.00 | 6,974 |
| 2019-02-15 | Open-market sale | 6,974 | $86.70 | 51,785 |
| 2019-02-15 | Option exercise | 6,974 | $37.37 | 58,759 |
| 2019-01-15 | Option exercise (derivative) | 6,974 | $0.00 | 13,948 |
| 2019-01-15 | Option exercise | 6,974 | $37.37 | 58,759 |
| 2019-01-15 | Open-market sale | 6,974 | $76.99 | 51,785 |
| 2018-12-14 | Option exercise (derivative) | 6,974 | $0.00 | 20,922 |
| 2018-12-14 | Option exercise | 6,974 | $37.37 | 58,759 |
| 2018-12-14 | Open-market sale | 6,974 | $80.78 | 51,785 |
| 2018-11-27 | Gift | 2,290 | $0.00 | 51,785 |
| 2018-11-15 | Open-market sale | 6,974 | $88.51 | 51,452 |
| 2018-11-15 | Grant / award | 4,642 | — | 56,094 |
| 2018-11-15 | Tax withholding | 2,019 | $92.22 | 54,075 |
| 2018-11-15 | Option exercise | 6,974 | $37.37 | 58,426 |
| 2018-11-14 | Grant / award (derivative) | 33,877 | $89.58 | 33,877 |
| 2018-11-14 | Grant / award (derivative) | 4,689 | — | 9,378 |
| 2018-11-09 | Option exercise (derivative) | 4,072 | $0.00 | 0 |
| 2018-11-09 | Tax withholding | 1,771 | $88.86 | 51,452 |
| 2018-11-09 | Option exercise | 4,072 | $88.86 | 53,223 |
| 2018-10-15 | Option exercise (derivative) | 6,974 | $0.00 | 27,896 |
| 2018-10-15 | Open-market sale | 6,974 | $88.07 | 49,151 |
| 2018-10-15 | Option exercise | 6,974 | $37.37 | 56,125 |
| 2018-09-14 | Option exercise (derivative) | 6,974 | $0.00 | 34,870 |
| 2018-09-14 | Option exercise | 6,974 | $37.37 | 56,125 |
| 2018-09-14 | Open-market sale | 6,974 | $86.19 | 49,151 |
| 2018-08-16 | Open-market sale | 0.63 | $85.12 | 49,151 |
| 2018-08-15 | Option exercise (derivative) | 6,974 | $0.00 | 41,844 |
| 2018-08-15 | Option exercise | 6,974 | $37.37 | 56,125.63 |
| 2018-08-15 | Open-market sale | 6,974 | $83.94 | 49,151.63 |
| 2018-06-13 | Gift | 595 | $0.00 | 49,151.63 |
| 2018-06-04 | Gift | 1,542 | $0.00 | 49,746.63 |
| 2018-02-01 | Option exercise (derivative) | 15,939 | $0.00 | 0 |
| 2018-02-01 | Open-market sale | 15,939 | $97.74 | 51,288.63 |
| 2018-02-01 | Option exercise | 15,939 | $36.37 | 67,227.63 |
| 2018-01-02 | Option exercise (derivative) | 15,937 | $0.00 | 15,939 |
| 2018-01-02 | Option exercise | 15,937 | $36.37 | 67,225.63 |
| 2018-01-02 | Open-market sale | 15,937 | $92.12 | 51,288.63 |
| 2017-12-01 | Option exercise (derivative) | 15,937 | $0.00 | 31,876 |
| 2017-12-01 | Option exercise | 15,937 | $36.37 | 67,225.63 |
| 2017-12-01 | Open-market sale | 15,937 | $82.42 | 51,288.63 |
| 2017-11-17 | Tax withholding | 2,957 | $82.75 | 51,288.63 |
| 2017-11-17 | Grant / award | 7,039 | — | 54,245.63 |
| 2017-11-15 | Grant / award (derivative) | 5,417 | $0.00 | 5,417 |
| 2017-11-15 | Grant / award (derivative) | 44,492 | $0.00 | 44,492 |
| 2017-11-10 | Option exercise (derivative) | 2,931 | — | 0 |
| 2017-11-10 | Option exercise | 2,931 | — | 44,917.63 |
| 2017-11-10 | Tax withholding | 923 | $75.00 | 43,994.63 |
| 2017-11-06 | Option exercise (derivative) | 15,937 | $0.00 | 47,813 |
| 2017-11-06 | Open-market sale | 15,937 | $74.50 | 41,986.63 |
| 2017-11-06 | Option exercise | 15,937 | $36.37 | 57,923.63 |
| 2016-11-11 | Tax withholding | 1,481 | $78.92 | 32,350.63 |
| 2016-11-11 | Grant / award | 9,636 | — | 41,986.63 |
| 2016-11-11 | Tax withholding | 4,443 | $80.78 | 33,831.63 |
| 2016-11-09 | Grant / award (derivative) | 59,041 | $0.00 | 59,041 |
| 2016-11-09 | Grant / award (derivative) | 5,290 | $0.00 | 5,290 |
| 2016-08-31 | Option exercise (derivative) | 63,750 | $0.00 | 0 |
| 2016-08-31 | Option exercise | 63,750 | $28.00 | 104,043 |
| 2016-08-31 | Open-market sale | 63,750 | $85.70 | 40,293 |
| 2015-12-14 | Gift | 500 | $0.00 | 40,293 |
| 2015-11-13 | Tax withholding | 6,191 | $94.99 | 42,857 |
| 2015-11-13 | Tax withholding | 2,064 | $96.59 | 40,793 |
| 2015-11-13 | Grant / award | 13,429 | — | 49,048 |
| 2015-11-11 | Grant / award (derivative) | 4,072 | — | 4,072 |
| 2015-11-11 | Grant / award (derivative) | 45,793 | $98.24 | 45,793 |
| 2015-05-08 | Option exercise (derivative) | 48,000 | $0.00 | 0 |
| 2015-05-08 | Option exercise | 30,656 | $27.07 | 66,275 |
| 2015-05-08 | Option exercise | 48,000 | $17.78 | 114,275 |
| 2015-05-08 | Open-market sale | 78,656 | $115.24 | 35,619 |
| 2015-02-27 | Tax withholding | 1,871 | $102.76 | 35,619 |
| 2015-02-06 | Option exercise (derivative) | 21,460 | $0.00 | 0 |
| 2015-02-06 | Option exercise | 21,460 | $21.26 | 58,950 |
| 2015-02-06 | Open-market sale | 21,460 | $97.70 | 37,490 |
| 2014-11-13 | Grant / award | 12,443 | — | 43,092 |
| 2014-11-13 | Tax withholding | 5,602 | $88.71 | 37,490 |
| 2014-11-12 | Grant / award (derivative) | 36,491 | $88.71 | 36,491 |
| 2014-11-12 | Grant / award (derivative) | 2,931 | — | 2,931 |
| 2014-05-22 | Option exercise (derivative) | 37,500 | $21.46 | 0 |
| 2014-05-22 | Option exercise | 37,500 | $21.46 | 68,149 |
| 2014-05-22 | Open-market sale | 37,500 | $71.28 | 30,649 |
| 2014-02-14 | Tax withholding | 2,248 | $68.00 | 30,649 |
| 2013-11-13 | Grant / award (derivative) | 39,216 | $68.49 | 39,216 |
| 2013-11-13 | Grant / award | 3,212 | $0.00 | 32,897 |
| 2013-09-03 | L | 5.6 | $57.60 | 29,690.6 |
| 2013-08-30 | Option exercise (derivative) | 33,518 | $15.20 | 0 |
| 2013-08-30 | Open-market sale | 33,518 | $56.90 | 29,685 |
| 2013-08-30 | Option exercise | 33,518 | $15.20 | 63,203 |
| 2013-06-03 | Open-market buy | 6.03 | $53.35 | 29,691.03 |
| 2013-03-04 | Tax withholding | 2,230 | $47.98 | 29,685 |
| 2012-11-14 | Grant / award (derivative) | 55,988 | $40.21 | 55,988 |
| 2012-11-14 | Grant / award | 4,476 | $0.00 | 31,915 |
| 2012-11-07 | Open-market sale | 0.82 | $40.35 | 27,454.07 |
| 2012-09-04 | Open-market buy | 5.16 | $38.47 | 27,454.89 |
| 2012-06-04 | Open-market buy | 5.41 | $36.53 | 27,449.74 |
| 2012-03-05 | L | 5.32 | $37.03 | 27,444.32 |
| 2012-02-29 | Grant / award (derivative) | 48,818 | $37.37 | 48,818 |
| 2012-02-29 | Grant / award | 4,148 | $0.00 | 27,439 |
| 2012-02-20 | Tax withholding | 1,618 | $36.68 | 23,291 |
| 2011-12-05 | L | 5.24 | $37.46 | 24,922.93 |
| 2011-09-06 | L | 4.41 | $39.32 | 24,917.69 |
| 2011-06-06 | L | 4.28 | $40.33 | 24,913.28 |
| 2011-05-26 | Option exercise (derivative) | 32,700 | $14.06 | 0 |
| 2011-05-26 | Option exercise | 32,700 | $14.06 | 57,609 |
| 2011-05-26 | Open-market sale | 32,700 | $41.20 | 24,909 |
| 2011-03-07 | Open-market buy | 4 | $37.46 | 17,830 |
| 2011-02-28 | Tax withholding | 1,291 | $37.39 | 17,826 |
| 2011-02-16 | Grant / award (derivative) | 63,750 | $36.37 | 63,750 |
| 2011-02-16 | Grant / award | 7,083 | $0.00 | 24,909 |
| 2010-12-01 | Option exercise (derivative) | 30,656 | $13.54 | 0 |
| 2010-12-01 | Option exercise | 30,656 | $13.54 | 49,773 |
| 2010-12-01 | Open-market sale | 30,656 | $31.53 | 19,117 |
| 2010-03-03 | Grant / award (derivative) | 63,750 | $28.00 | 63,750 |
| 2010-03-03 | Grant / award | 7,083 | $0.00 | 19,117 |
| 2010-02-15 | Tax withholding | 1,149 | $27.35 | 6,017 |
| 2009-02-19 | Grant / award (derivative) | 12,000 | $35.55 | 12,000 |
| 2009-02-19 | Grant / award | 1,333 | $0.00 | 5,832 |
| 2009-02-19 | Grant / award (derivative) | 24,000 | $35.55 | 48,000 |
| 2009-02-19 | Grant / award | 2,667 | $0.00 | 7,166 |
| 2009-02-09 | Tax withholding | 418 | $38.76 | 4,499 |
| 2008-02-27 | Grant / award (derivative) | 18,750 | $42.92 | 18,750 |
| 2008-02-27 | Grant / award | 2,083 | $0.00 | 4,917 |
| 2007-10-01 | — | — | — | 2,834 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.