Mary D. Petryszyn serves as Executive at NORTHROP GRUMMAN CORP /DE/, where they oversee executive responsibilities. Since joining the company, Mary D. Petryszyn has executed 27 insider transactions totaling $3.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Oct 1, 2025 involved receiving (via award) 610 shares valued at $0.
Mary D. Petryszyn currently holds 2,538 shares of NORTHROP GRUMMAN CORP /DE/ (NOC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mary D. Petryszyn has been a net seller of NOC stock. They have purchased $0 and sold $3.2M worth of shares.
Mary D. Petryszyn's most recent insider trade was on Oct 1, 2025, when they sold 610 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Feb 16, 2023 | NOC | $1.7M | Payment | 3,659 | $465.35 | Discretionary |
| Feb 16, 2023 | NOC | $0 | Option Exercise | 8,112.15 | $N/A | Discretionary |
| Feb 15, 2023 | NOC | $398.8K | Sale | 856 | $465.92 | Discretionary |
| Feb 13, 2023 | NOC | $0 | Option Exercise | 2,545 | $N/A | Discretionary |
| Feb 13, 2023 | NOC | $386.7K | Payment | 833 | $464.28 | Discretionary |
| Feb 28, 2022 | NOC | $259.4K | Sale | 626 | $414.31 | Discretionary |
| Feb 16, 2022 | NOC | $64.7K | Sale | 168 | $384.99 | Discretionary |
| Feb 15, 2022 | NOC | $0 | Option Exercise | 1,795 | $N/A | Discretionary |
| Feb 15, 2022 | NOC | $208.2K | Payment | 541 | $384.77 | Discretionary |
| Feb 14, 2022 | NOC | $0 | Option Exercise | 487 | $N/A | Discretionary |
| Feb 14, 2022 | NOC | $58.6K | Payment | 150 | $390.60 | Discretionary |
| Feb 3, 2022 | NOC | $0 | Gift | 361 | $N/A | Discretionary |
| Aug 5, 2021 | NOC | $319.9K | Sale | 892 | $358.65 | Discretionary |
| Feb 16, 2021 | NOC | $0 | Option Exercise | 402 | $N/A | Discretionary |
| Feb 16, 2021 | NOC | $0 | Payment | 122 | $N/A | Discretionary |
| Feb 16, 2021 | NOC | $0 | Payment | 402 | $N/A | Discretionary |
| Feb 16, 2021 | NOC | $0 | Option Exercise | 1,322.58 | $N/A | Discretionary |
| Feb 4, 2021 | NOC | $232.7K | Sale | 768 | $302.93 | Discretionary |
| Feb 4, 2021 | NOC | $60.6K | Sale | 200 | $302.93 | Discretionary |
| Feb 18, 2020 | NOC | $0 | Option Exercise | 510 | $N/A | Discretionary |
| Feb 18, 2020 | NOC | $72.2K | Payment | 194 | $372.42 | Discretionary |
| Feb 18, 2020 | NOC | $445.1K | Sale | 1,200 | $370.95 | Discretionary |
| Feb 12, 2020 | NOC | $0 | Option Exercise | 2,382 | $N/A | Discretionary |
| Feb 12, 2020 | NOC | $0 | Payment | 704 | $N/A | Discretionary |
| Feb 10, 2020 | NOC | $1.4M | Sale | 3,921 | $362.27 | Discretionary |