SEC CIK 1499087
CHESTON SHEILA C.
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| NOCview stock → | 27,058.39 | 2023-02-21 |
Position History — NOC
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — NOC
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2023-02-21 | Open-market sale | 824 | $474.78 | 27,058.39 |
| 2023-02-16 | Grant / award (derivative) | 5,834.45 | $0.00 | 21,963.45 |
| 2023-02-16 | Option exercise (derivative) | 7,029.45 | $0.00 | 14,934 |
| 2023-02-16 | Grant / award (derivative) | 1,849 | $0.00 | 6,825 |
| 2023-02-16 | Tax withholding | 3,396 | $465.35 | 27,882.39 |
| 2023-02-16 | Option exercise | 7,029.45 | $0.00 | 31,278.39 |
| 2023-02-13 | Option exercise (derivative) | 2,206 | $0.00 | 4,976 |
| 2023-02-13 | Tax withholding | 760 | $464.28 | 26,795.86 |
| 2023-02-13 | Open-market sale | 2,547 | $467.81 | 24,248.86 |
| 2023-02-13 | Option exercise | 2,206 | $0.00 | 27,555.86 |
| 2022-08-09 | Open-market sale | 4,025 | $473.99 | 25,349.86 |
| 2022-05-03 | Gift | 3,763 | $0.00 | 29,374.86 |
| 2022-02-18 | Open-market sale | 1,660 | $397.50 | 33,137.86 |
| 2022-02-15 | Grant / award (derivative) | 2,130 | $0.00 | 7,182 |
| 2022-02-15 | Grant / award (derivative) | 6,140 | $0.00 | 24,320 |
| 2022-02-15 | Option exercise (derivative) | 8,191 | $0.00 | 16,129 |
| 2022-02-15 | Tax withholding | 3,957 | $384.77 | 34,797.86 |
| 2022-02-15 | Option exercise | 8,191 | $0.00 | 38,754.86 |
| 2022-02-14 | Option exercise (derivative) | 2,845 | $0.00 | 5,052 |
| 2022-02-14 | Option exercise | 2,845 | $0.00 | 32,125.86 |
| 2022-02-14 | Open-market sale | 575 | $397.00 | 30,563.86 |
| 2022-02-14 | Tax withholding | 987 | $390.60 | 31,138.86 |
| 2021-05-03 | Open-market sale | 5,037 | $352.04 | 29,280.86 |
| 2021-02-16 | Grant / award (derivative) | 6,517.55 | $0.00 | 23,609.55 |
| 2021-02-16 | Grant / award (derivative) | 6,517.55 | $0.00 | 23,609.55 |
| 2021-02-16 | Option exercise (derivative) | 2,348 | $0.00 | 7,897 |
| 2021-02-16 | Option exercise (derivative) | 5,429.55 | $0.00 | 18,180 |
| 2021-02-16 | Grant / award (derivative) | 2,846 | $0.00 | 10,245 |
| 2021-02-16 | Tax withholding | 2,109 | $0.00 | 34,317.86 |
| 2021-02-16 | Option exercise | 5,429.55 | $0.00 | 35,275.86 |
| 2021-02-16 | Option exercise | 2,348 | $0.00 | 37,623.86 |
| 2021-02-16 | Tax withholding | 1,197 | $0.00 | 36,426.86 |
| 2020-03-05 | Gift | 1,500 | $0.00 | 29,846.31 |
| 2020-02-20 | Open-market sale | 824 | $365.28 | 31,346.31 |
| 2020-02-18 | Option exercise (derivative) | 3,189 | $0.00 | 7,399 |
| 2020-02-18 | Tax withholding | 1,541 | $372.42 | 41,490.31 |
| 2020-02-18 | Open-market sale | 9,320 | $367.26 | 32,170.31 |
| 2020-02-18 | Option exercise | 3,189 | $0.00 | 43,031.31 |
| 2020-02-12 | Grant / award (derivative) | 2,206 | $0.00 | 10,588 |
| 2020-02-12 | Grant / award (derivative) | 6,655.94 | $0.00 | 26,166.94 |
| 2020-02-12 | Option exercise (derivative) | 9,074.94 | $0.00 | 17,092 |
| 2020-02-12 | Tax withholding | 3,980 | $0.00 | 39,842.31 |
| 2020-02-12 | Option exercise | 9,074.94 | $0.00 | 43,822.31 |
| 2019-03-01 | Open-market sale | 17,000 | $288.01 | 34,747.37 |
| 2019-02-19 | Option exercise (derivative) | 4,120 | $0.00 | 8,382 |
| 2019-02-19 | Tax withholding | 1,990 | $287.35 | 51,747.37 |
| 2019-02-19 | Option exercise | 4,120 | $0.00 | 53,737.37 |
| 2019-02-13 | Grant / award (derivative) | 8,075.85 | $0.00 | 29,951.85 |
| 2019-02-13 | Option exercise (derivative) | 10,440.85 | $0.00 | 19,511 |
| 2019-02-13 | Grant / award (derivative) | 2,845 | $0.00 | 12,502 |
| 2019-02-13 | Tax withholding | 4,519 | $0.00 | 49,617.37 |
| 2019-02-13 | Option exercise | 10,440.85 | $0.00 | 54,136.37 |
| 2018-10-03 | Open-market sale | 10,440 | $320.00 | 43,695.52 |
| 2018-02-18 | Option exercise (derivative) | 4,651 | $0.00 | 9,657 |
| 2018-02-18 | Option exercise | 4,651 | $0.00 | 56,361.52 |
| 2018-02-18 | Tax withholding | 2,247 | $350.36 | 54,114.52 |
| 2018-02-13 | Option exercise (derivative) | 14,796 | $0.00 | 21,876 |
| 2018-02-13 | Grant / award (derivative) | 10,103 | $0.00 | 36,672 |
| 2018-02-13 | Grant / award (derivative) | 2,348 | $0.00 | 14,308 |
| 2018-02-13 | Tax withholding | 7,147 | $0.00 | 51,710.52 |
| 2018-02-13 | Option exercise | 14,796 | $0.00 | 58,857.52 |
| 2018-02-13 | Option exercise (derivative) | 14,796 | $0.00 | 21,876 |
| 2018-02-13 | Option exercise | 14,796 | $0.00 | 58,857.52 |
| 2018-02-13 | Tax withholding | 7,126 | $0.00 | 51,731.52 |
| 2017-02-23 | Open-market sale | 6,772 | $242.11 | 44,061.52 |
| 2017-02-19 | Option exercise (derivative) | 5,796 | $0.00 | 11,960 |
| 2017-02-19 | Option exercise | 5,796 | $0.00 | 53,784.52 |
| 2017-02-19 | Tax withholding | 2,951 | $243.58 | 50,833.52 |
| 2017-02-17 | Grant / award (derivative) | 14,297.52 | $0.00 | 47,139.52 |
| 2017-02-17 | Option exercise (derivative) | 20,570.52 | $0.00 | 26,569 |
| 2017-02-17 | Grant / award (derivative) | 3,189 | $0.00 | 17,756 |
| 2017-02-17 | Tax withholding | 9,870 | $243.58 | 47,988.52 |
| 2017-02-17 | Option exercise | 20,570.52 | $0.00 | 57,858.52 |
| 2016-11-15 | Open-market sale | 3,394 | $251.29 | 37,288 |
| 2016-06-07 | Open-market sale | 3,105 | $215.52 | 40,682 |
| 2016-05-02 | Open-market sale | 12,731 | $206.49 | 43,787 |
| 2016-03-03 | Open-market sale | 11,857 | $190.04 | 56,518 |
| 2016-02-20 | Option exercise (derivative) | 9,085 | $0.00 | 14,567 |
| 2016-02-20 | Option exercise | 9,085 | $0.00 | 73,000 |
| 2016-02-20 | Tax withholding | 4,625 | $190.68 | 68,375 |
| 2016-02-17 | Grant / award (derivative) | 4,120 | $0.00 | 23,652 |
| 2016-02-17 | Option exercise (derivative) | 37,654.5 | $0.00 | 32,842 |
| 2016-02-17 | Grant / award (derivative) | 21,630.5 | $0.00 | 70,496.5 |
| 2016-02-17 | Option exercise | 37,654.5 | $0.00 | 82,317 |
| 2016-02-17 | Tax withholding | 18,402 | $190.06 | 63,915 |
| 2015-03-02 | Open-market sale | 15,657 | $166.11 | 44,662.5 |
| 2015-02-18 | Option exercise (derivative) | 38,455.5 | $0.00 | 48,866 |
| 2015-02-18 | Grant / award (derivative) | 4,651 | $0.00 | 19,532 |
| 2015-02-18 | Grant / award (derivative) | 22,682.5 | $0.00 | 87,321.5 |
| 2015-02-18 | Option exercise | 38,455.5 | $0.00 | 79,893.5 |
| 2015-02-18 | Tax withholding | 19,574 | $167.68 | 60,319.5 |
| 2015-02-13 | Option exercise (derivative) | 23,541 | $0.00 | 14,881 |
| 2015-02-13 | Option exercise | 23,541 | $0.00 | 52,544 |
| 2015-02-13 | Tax withholding | 11,106 | $167.14 | 41,438 |
| 2014-11-12 | Open-market sale | 7,847 | $136.09 | 31,259 |
| 2014-03-03 | Open-market sale | 2,632 | $120.00 | 39,106 |
| 2014-02-21 | Open-market sale | 8,247 | $119.76 | 41,738 |
| 2014-02-19 | Option exercise (derivative) | 4,510 | $0.00 | 0 |
| 2014-02-19 | Option exercise | 4,510 | $63.22 | 39,459 |
| 2014-02-19 | Option exercise (derivative) | 4,510 | $0.00 | 0 |
| 2014-02-19 | Grant / award (derivative) | 5,796 | $0.00 | 38,422 |
| 2014-02-19 | Option exercise (derivative) | 21,436 | $0.00 | 64,639 |
| 2014-02-19 | Grant / award (derivative) | 21,853 | $0.00 | 86,075 |
| 2014-02-19 | Option exercise | 21,436 | $0.00 | 56,385 |
| 2014-02-19 | Tax withholding | 10,910 | $119.05 | 49,985 |
| 2014-02-19 | Option exercise | 4,510 | $63.22 | 60,895 |
| 2014-02-19 | Open-market sale | 2,255 | $119.11 | 58,639 |
| 2014-02-18 | Option exercise (derivative) | 14,615 | $0.00 | 4,510 |
| 2014-02-18 | Open-market sale | 14,615 | $120.11 | 34,949 |
| 2014-02-18 | Option exercise | 14,615 | $63.22 | 49,564 |
| 2013-11-14 | Option exercise (derivative) | 29,158 | $0.00 | 0 |
| 2013-11-14 | Open-market sale | 25,764 | $110.00 | 34,949 |
| 2013-11-14 | Option exercise | 29,158 | $58.58 | 60,713 |
| 2013-06-06 | Option exercise (derivative) | 19,124 | $63.22 | 19,125 |
| 2013-06-06 | Option exercise (derivative) | 29,158 | $58.58 | 29,158 |
| 2013-06-06 | Option exercise | 29,158 | $58.58 | 57,608 |
| 2013-06-06 | Open-market sale | 45,177 | $81.60 | 31,555 |
| 2013-06-06 | Option exercise | 19,124 | $63.22 | 76,732 |
| 2013-02-20 | Option exercise (derivative) | 33,118 | $0.00 | 64,222 |
| 2013-02-20 | Grant / award (derivative) | 9,085 | $66.04 | 32,626 |
| 2013-02-20 | Grant / award (derivative) | 37,522 | $0.00 | 97,340 |
| 2013-02-20 | Tax withholding | 16,624 | $66.04 | 28,450 |
| 2013-02-20 | Option exercise | 33,118 | $0.00 | 45,074 |
| 2012-12-07 | Open-market sale | 4,991 | $67.48 | 11,956 |
| 2012-11-09 | Option exercise (derivative) | 18,048 | $0.00 | 23,541 |
| 2012-11-09 | Tax withholding | 8,066 | $65.60 | 16,947 |
| 2012-11-09 | Option exercise | 18,048 | $0.00 | 25,013 |
| 2012-08-29 | Open-market sale | 5,266 | $67.30 | 6,965 |
| 2012-08-24 | Option exercise (derivative) | 19,123 | $0.00 | 38,249 |
| 2012-08-24 | Option exercise (derivative) | 29,157 | $0.00 | 58,316 |
| 2012-08-24 | Option exercise | 19,123 | $63.22 | 58,763 |
| 2012-08-24 | Open-market sale | 46,532 | $67.30 | 12,231 |
| 2012-08-24 | Option exercise | 29,157 | $58.58 | 39,640 |
| 2012-02-15 | Grant / award (derivative) | 10,059 | $0.00 | 41,589 |
| 2012-02-15 | Grant / award (derivative) | 25,637 | $0.00 | 59,818 |
| 2011-11-11 | Tax withholding | 7,564 | $59.30 | 76,193 |
| 2011-03-31 | Grant / award (derivative) | 57,372 | — | 57,372 |
| 2011-03-31 | Grant / award (derivative) | 87,473 | — | 87,473 |
| 2011-03-31 | Grant / award | 7,178 | $0.00 | 83,757 |
| 2011-02-15 | Grant / award (derivative) | 52,454 | $0.00 | 52,454 |
| 2011-02-15 | Grant / award | 12,327 | $69.14 | 64,252 |
| 2011-02-15 | Grant / award | 12,327 | $69.14 | 76,579 |
| 2010-11-11 | Grant / award (derivative) | 79,975 | $64.07 | 79,975 |
| 2010-11-11 | Grant / award | 18,925 | $64.07 | 18,925 |
| 2010-11-11 | Grant / award | 33,000 | $64.07 | 51,925 |
| 2010-08-30 | — | — | — | 0 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.