Sheila C. Cheston

General Counsel, Northrop Grumman Corporation.

Companies

DigimarcBoard member Oct 2, 2024 to now¹
Northrop Grumman CorporationGeneral counsel Aug 31, 2010 to Feb 23, 2023²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Northrop Grumman Corporation NOC27,058 shares³$14.6M at $538.25Feb 21, 2023
Digimarc34,957 shares⁴Apr 30, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

Apr 30, 2026Granted 13,643 shares at $7.33 of Digimarc⁴
Jan 2, 2026Granted 1,238 shares at $6.56 of Digimarc⁵
Oct 1, 2025Granted 831 shares at $9.77 of Digimarc⁶
Jul 1, 2025Granted 615 shares at $13.21 of Digimarc⁷
May 7, 2025Granted 7,758 shares at $12.89 of Digimarc⁸
Apr 1, 2025Granted 633 shares at $12.82 of Digimarc⁹
Oct 1, 2024Granted 2,604 shares at $26.20 of Digimarc¹⁰
Oct 1, 2024Granted 7,635 shares at $26.20 of Digimarc¹⁰
Feb 21, 2023Sold 824 shares at $474.78 of Northrop Grumman Corporation³
Feb 16, 2023Shares withheld for tax 3,396 shares at $465.35 of Northrop Grumman Corporation¹¹
Feb 16, 2023Exercised options 7,029 shares of Northrop Grumman Corporation¹¹
Feb 13, 2023Sold 2,547 shares at $467.81 of Northrop Grumman Corporation¹²
Feb 13, 2023Shares withheld for tax 760 shares at $464.28 of Northrop Grumman Corporation¹²
Feb 13, 2023Exercised options 2,206 shares of Northrop Grumman Corporation¹²
Aug 9, 2022Sold 4,025 shares at $473.99 of Northrop Grumman Corporation¹³
May 3, 2022Gift 3,763 shares of Northrop Grumman Corporation¹⁴
Feb 18, 2022Sold 1,660 shares at $397.50 of Northrop Grumman Corporation¹⁵
Feb 15, 2022Shares withheld for tax 3,957 shares at $384.77 of Northrop Grumman Corporation¹⁶
Feb 15, 2022Exercised options 8,191 shares of Northrop Grumman Corporation¹⁶
Feb 14, 2022Sold 575 shares at $397.00 of Northrop Grumman Corporation¹⁷
Feb 14, 2022Shares withheld for tax 987 shares at $390.60 of Northrop Grumman Corporation¹⁷
Feb 14, 2022Exercised options 2,845 shares of Northrop Grumman Corporation¹⁷

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARDigimarc, Board member
2
SEC EDGARNorthrop Grumman Corporation, General counsel
3
SEC EDGARNorthrop Grumman Corporation shares after the filing of Feb 21, 2023
4
SEC EDGARDigimarc shares after the filing of Apr 30, 2026
5
SEC EDGARForm 4 filed Jan 2, 2026
6
SEC EDGARForm 4 filed Oct 2, 2025
7
SEC EDGARForm 4 filed Jul 1, 2025
8
SEC EDGARForm 4 filed May 8, 2025
9
SEC EDGARForm 4 filed Apr 7, 2025
10
SEC EDGARForm 4 filed Oct 2, 2024
11
SEC EDGARForm 4 filed Feb 21, 2023
12
SEC EDGARForm 4 filed Feb 15, 2023
13
SEC EDGARForm 4 filed Aug 11, 2022
14
SEC EDGARForm 4 filed May 4, 2022
15
SEC EDGARForm 4 filed Feb 22, 2022
16
SEC EDGARForm 4 filed Feb 17, 2022
17
SEC EDGARForm 4 filed Feb 16, 2022