CHESTON SHEILA C. has filed 17 insider transactions across 2 companies since February 2023.
Most recent transaction: a grant/award of 1238 shares of Digimarc CORP ($DMRC) on January 02, 2026.
Activity breakdown: 0 open-market purchases and 2 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 2, 2026 | Digimarc CORP | $DMRC | CHESTON SHEILA C. | Director | A | Common Stock | 1238 | $6.56 | 21,314.0000 | 21,756,987 | 6.17% | 0.01% |
| Oct. 1, 2025 | Digimarc CORP | $DMRC | CHESTON SHEILA C. | Director | A | Common Stock | 831 | $9.77 | 20,076.0000 | 21,548,579 | 4.32% | 0.00% |
| July 1, 2025 | Digimarc CORP | $DMRC | CHESTON SHEILA C. | Director | A | Common Stock | 615 | $13.21 | 19,245.0000 | 21,548,579 | 3.30% | 0.00% |
| May 7, 2025 | Digimarc CORP | $DMRC | CHESTON SHEILA C. | Director | A | Common Stock | 7758 | $12.89 | 18,630.0000 | 21,548,579 | 71.36% | 0.04% |
| April 1, 2025 | Digimarc CORP | $DMRC | CHESTON SHEILA C. | Director | A | Common Stock | 633 | $12.82 | 10,872.0000 | 21,548,579 | 6.18% | 0.00% |
| Oct. 1, 2024 | Digimarc CORP | $DMRC | CHESTON SHEILA C. | Director | A | Common Stock | 7635 | $26.20 | 7,635.0000 | 0 | 9999.99% | 0.00% |
| Oct. 1, 2024 | Digimarc CORP | $DMRC | CHESTON SHEILA C. | Director | A | Common Stock | 2604 | $26.20 | 10,239.0000 | 0 | 34.11% | 0.00% |
| Feb. 21, 2023 | NORTHROP GRUMMAN CORP /DE/ | $NOC | CHESTON SHEILA C. | Corp. VP & General Counsel | S | Common Stock | 824 | $474.78 | 27,058.3900 | 155,600,000 | 2.96% | 0.00% |
| Feb. 16, 2023 | NORTHROP GRUMMAN CORP /DE/ | $NOC | CHESTON SHEILA C. | Corp. VP & General Counsel | F | Common Stock | 3396 | $465.35 | 27,882.3900 | 155,600,000 | 10.86% | 0.00% |
| Feb. 16, 2023 | NORTHROP GRUMMAN CORP /DE/ | $NOC | CHESTON SHEILA C. | Corp. VP & General Counsel | A | Restricted Stock Rights | 1849 | $0.00 | 6,825.0000 | 155,600,000 | 37.16% | 0.00% |
| Feb. 16, 2023 | NORTHROP GRUMMAN CORP /DE/ | $NOC | CHESTON SHEILA C. | Corp. VP & General Counsel | A | Restricted Performance Stock Rights | 5834 | $0.00 | 21,963.4500 | 155,600,000 | 36.17% | 0.00% |
| Feb. 16, 2023 | NORTHROP GRUMMAN CORP /DE/ | $NOC | CHESTON SHEILA C. | Corp. VP & General Counsel | M | Restricted Performance Stock Rights | 7029 | $0.00 | 14,934.0000 | 155,600,000 | 32.01% | 0.00% |
| Feb. 16, 2023 | NORTHROP GRUMMAN CORP /DE/ | $NOC | CHESTON SHEILA C. | Corp. VP & General Counsel | M | Common Stock | 7029 | $0.00 | 31,278.3900 | 155,600,000 | 28.99% | 0.00% |
| Feb. 13, 2023 | NORTHROP GRUMMAN CORP /DE/ | $NOC | CHESTON SHEILA C. | Corp. VP & General Counsel | F | Common Stock | 760 | $464.28 | 26,795.8600 | 155,600,000 | 2.76% | 0.00% |
| Feb. 13, 2023 | NORTHROP GRUMMAN CORP /DE/ | $NOC | CHESTON SHEILA C. | Corp. VP & General Counsel | S | Common Stock | 2547 | $467.81 | 24,248.8600 | 155,600,000 | 9.51% | 0.00% |
| Feb. 13, 2023 | NORTHROP GRUMMAN CORP /DE/ | $NOC | CHESTON SHEILA C. | Corp. VP & General Counsel | M | Restricted Stock Rights | 2206 | $0.00 | 4,976.0000 | 155,600,000 | 30.72% | 0.00% |
| Feb. 13, 2023 | NORTHROP GRUMMAN CORP /DE/ | $NOC | CHESTON SHEILA C. | Corp. VP & General Counsel | M | Common Stock | 2206 | $0.00 | 27,555.8600 | 155,600,000 | 8.70% | 0.00% |