Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2023-02-21 Sale |
2023-02-23 4:20 pm |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
824 | $474.78 | $391,219 | 27,058 (Direct) |
View |
2023-02-13 Sale |
2023-02-15 4:56 pm |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
2,547 | $467.81 | $1,191,512 | 29,225 (Direct) |
View |
2022-08-09 Sale |
2022-08-11 5:22 pm |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
4,025 | $473.99 | $1,907,810 | 25,350 (Direct) |
View |
2022-02-18 Sale |
2022-02-22 4:42 pm |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
1,660 | $397.5 | $659,850 | 33,138 (Direct) |
View |
2022-02-14 Sale |
2022-02-16 5:02 pm |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
575 | $397 | $228,275 | 35,616 (Direct) |
View |
2021-05-03 Sale |
2021-05-05 1:07 pm |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
5,037 | $352.04 | $1,773,225 | 29,281 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-04-01 Option Award |
2025-04-07 12:54 pm |
N/A N/A |
Digimarc CORP | DMRC | CHESTON SHEILA C. Director |
633 | $12.82 | 10,872 (Direct) |
View |
2024-10-01 Option Award |
2024-10-02 7:17 pm |
N/A N/A |
Digimarc CORP | DMRC | CHESTON SHEILA C. Director |
10,239 | $26.2 | 10,239 (Direct) |
View |
Ownership |
2024-10-02 7:15 pm |
N/A N/A |
Digimarc CORP | DMRC | CHESTON SHEILA C. Director |
0 | $0 | 0 (Direct) |
View |
2023-02-16 Exercise |
2023-02-21 4:27 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
7,029 | $0 | 71,605 (Direct) |
View |
2023-02-16 Tax Withholding |
2023-02-21 4:27 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
3,396 | $465.35 | 71,605 (Direct) |
View |
2023-02-16 Option Award |
2023-02-21 4:27 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
7,683 | $0 | 71,605 (Direct) |
View |
2023-02-13 Exercise |
2023-02-15 4:56 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
2,206 | $0 | 29,225 (Direct) |
View |
2023-02-13 Tax Withholding |
2023-02-15 4:56 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
760 | $464.28 | 29,225 (Direct) |
View |
2022-05-03 Gift |
2022-05-04 4:22 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
3,763 | $0 | 29,375 (Direct) |
View |
2022-02-15 Exercise |
2022-02-17 4:41 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
8,191 | $0 | 82,429 (Direct) |
View |
2022-02-15 Tax Withholding |
2022-02-17 4:41 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
3,957 | $384.77 | 82,429 (Direct) |
View |
2022-02-15 Option Award |
2022-02-17 4:41 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
8,270 | $0 | 82,429 (Direct) |
View |
2022-02-14 Exercise |
2022-02-16 5:02 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
2,845 | $0 | 35,616 (Direct) |
View |
2022-02-14 Tax Withholding |
2022-02-16 5:02 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
987 | $390.6 | 35,616 (Direct) |
View |
2021-02-16 Option Award(A) |
2021-03-01 08:38 am |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
6,518 | $0 | 23,610 (Direct) |
View |
2021-02-16 Exercise |
2021-02-18 8:41 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
7,778 | $0 | 94,249 (Direct) |
View |
2021-02-16 Tax Withholding |
2021-02-18 8:41 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
3,306 | $0 | 94,249 (Direct) |
View |
2021-02-16 Option Award |
2021-02-18 8:41 pm |
N/A N/A |
NORTHROP GRUMMAN CORP | NOC | CHESTON SHEILA C. Corp. VP & General Counsel |
9,364 | $0 | 94,249 (Direct) |
View |