CHESTON SHEILA C.
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to CHESTON SHEILA C.. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| DMRC | Award / Grant | 831 | $9.77 | $8,119 | Oct 1, 2025 | |
| DMRC | Award / Grant | 615 | $13.21 | $8,124 | Jul 1, 2025 | |
| DMRC | Award / Grant | 7,758 | $12.89 | $100,001 | May 7, 2025 | |
| DMRC | Award / Grant | 633 | $12.82 | $8,115 | Apr 1, 2025 | |
| DMRC | Award / Grant | 7,635 | $26.20 | $200,037 | Oct 1, 2024 | |
| NOC | Corp. VP & General Counsel | Sale | 824 | $474.78 | $391,219 | Feb 21, 2023 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 3,396 | $465.35 | $1,580,329 | Feb 16, 2023 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 760 | $464.28 | $352,853 | Feb 13, 2023 |
| NOC | Corp. VP & General Counsel | Sale | 4,025 | $473.99 | $1,907,810 | Aug 9, 2022 |
| NOC | Corp. VP & General Counsel | Gift | 3,763 | — | — | May 3, 2022 |
| NOC | Corp. VP & General Counsel | Sale | 1,660 | $397.50 | $659,850 | Feb 18, 2022 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 3,957 | $384.77 | $1,522,535 | Feb 15, 2022 |
| NOC | Corp. VP & General Counsel | Option Exercise | 2,845 | — | — | Feb 14, 2022 |
| NOC | Corp. VP & General Counsel | Sale | 5,037 | $352.04 | $1,773,225 | May 3, 2021 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 2,109 | — | — | Feb 16, 2021 |
| NOC | Corp. VP & General Counsel | Gift | 1,500 | — | — | Mar 5, 2020 |
| NOC | Corp. VP & General Counsel | Sale | 824 | $365.28 | $300,991 | Feb 20, 2020 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 1,541 | $372.42 | $573,899 | Feb 18, 2020 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 3,980 | — | — | Feb 12, 2020 |
| NOC | Corp. VP & General Counsel | Sale | 17,000 | $288.01 | $4,896,170 | Mar 1, 2019 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 1,990 | $287.35 | $571,827 | Feb 19, 2019 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 4,519 | — | — | Feb 13, 2019 |
| NOC | Corp. VP & General Counsel | Sale | 10,440 | $320.00 | $3,340,800 | Oct 3, 2018 |
| NOC | Corp. VP & General Counsel | Option Exercise | 4,651 | — | — | Feb 18, 2018 |
| NOC | Corp. VP & General Counsel | Option Exercise | 14,796 | — | — | Feb 13, 2018 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 7,147 | — | — | Feb 13, 2018 |
| NOC | Corp. VP & General Counsel | Sale | 6,772 | $242.11 | $1,639,569 | Feb 23, 2017 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 9,870 | $243.58 | $2,404,135 | Feb 17, 2017 |
| NOC | Corp. VP & General Counsel | Sale | 3,394 | $251.29 | $852,878 | Nov 15, 2016 |
| NOC | Corp. VP & General Counsel | Sale | 3,105 | $215.52 | $669,190 | Jun 7, 2016 |
| NOC | Corp. VP & General Counsel | Sale | 12,731 | $206.49 | $2,628,824 | May 2, 2016 |
| NOC | Corp. VP & General Counsel | Sale | 11,857 | $190.04 | $2,253,304 | Mar 3, 2016 |
| NOC | Corp. VP & General Counsel | Option Exercise | 9,085 | — | — | Feb 20, 2016 |
| NOC | Corp. VP & General Counsel | Option Exercise | 37,655 | — | — | Feb 17, 2016 |
| NOC | Corp. VP & General Counsel | Sale | 15,657 | $166.11 | $2,600,784 | Mar 2, 2015 |
| NOC | Corp. VP & General Counsel | Option Exercise | 38,456 | — | — | Feb 18, 2015 |
| NOC | Corp. VP & General Counsel | Option Exercise | 23,541 | — | — | Feb 13, 2015 |
| NOC | Corp. VP & General Counsel | Sale | 7,847 | $136.09 | $1,067,898 | Nov 12, 2014 |
| NOC | Corp. VP & General Counsel | Sale | 2,632 | $120.00 | $315,840 | Mar 3, 2014 |
| NOC | Corp. VP & General Counsel | Sale | 8,247 | $119.76 | $987,661 | Feb 21, 2014 |
| NOC | Corp. VP & General Counsel | Sale | 2,255 | $119.11 | $268,593 | Feb 19, 2014 |
| NOC | Corp. VP & General Counsel | Option Exercise | 21,436 | — | — | Feb 19, 2014 |
| NOC | Corp. VP & General Counsel | Sale | 14,615 | $120.11 | $1,755,408 | Feb 18, 2014 |
| NOC | Corp. VP & General Counsel | Sale | 25,764 | $110.00 | $2,834,040 | Nov 14, 2013 |
| NOC | Corp. VP & General Counsel | Option Exercise | 29,158 | $58.58 | $1,708,076 | Jun 6, 2013 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 16,624 | $66.04 | $1,097,849 | Feb 20, 2013 |
| NOC | Corp. VP & General Counsel | Sale | 4,991 | $67.48 | $336,793 | Dec 7, 2012 |
| NOC | Corp. VP & General Counsel | Tax Withholding | 8,066 | $65.60 | $529,130 | Nov 9, 2012 |
| NOC | Corp. VP & General Counsel | Sale | 5,266 | $67.30 | $354,402 | Aug 29, 2012 |
| NOC | Corp. VP & General Counsel | Option Exercise | 19,123 | $63.22 | $1,208,956 | Aug 24, 2012 |