Marianne Catherine Brown serves as Executive at NORTHROP GRUMMAN CORP /DE/, where they oversee executive responsibilities. Since joining the company, Marianne Catherine Brown has executed 42 insider transactions totaling $267.4K, demonstrating a bullish approach to their equity position. Their most recent transaction on Dec 31, 2025 involved receiving (via award) 81 shares valued at $46.2K.
Marianne Catherine Brown currently holds 10,963 shares of NORTHROP GRUMMAN CORP /DE/ (NOC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Marianne Catherine Brown has been a net buyer of NOC stock. They have purchased $267.4K and sold $0 worth of shares.
Marianne Catherine Brown's most recent insider trade was on Dec 31, 2025, when they sold 81 shares at $570.21 per share.
Get notified when new Form 4 filings are submitted
| $609.32 |
| Discretionary |
| Jun 30, 2025 | NOC | $46.5K | Award | 93 | $499.98 | Discretionary |
| Jul 31, 2024 | NOC | $182.6K | Award | 377 | $484.32 | Discretionary |
| Jul 31, 2024 | NOC | $45.5K | Award | 94 | $484.32 | Discretionary |
| May 28, 2024 | SCHW | $0 | Award | 1,809 | $N/A | Discretionary |
| Mar 31, 2024 | NOC | $45.0K | Award | 94 | $478.66 | Discretionary |
| Dec 31, 2023 | NOC | $44.9K | Award | 96 | $468.14 | Discretionary |
| Nov 22, 2023 | VMW | $0 | Disposition | 9,880 | $N/A | Discretionary |
| Sep 30, 2023 | NOC | $44.9K | Award | 102 | $440.19 | Discretionary |
| Jul 13, 2023 | VMW | $0 | Award | 1,976 | $N/A | Discretionary |
| Jun 30, 2023 | NOC | $45.1K | Award | 99 | $455.80 | Discretionary |
| May 22, 2023 | SCHW | $0 | Award | 2,496 | $N/A | Discretionary |
| May 20, 2023 | AKAM | $0 | Option Exercise | 1,326 | $N/A | Discretionary |
| May 17, 2023 | NOC | $175.4K | Award | 392 | $447.34 | Discretionary |
| Mar 31, 2023 | NOC | $44.8K | Award | 97 | $461.72 | Discretionary |
| Mar 28, 2023 | SCHW | $267.4K | Purchase | 5,000 | $53.47 | Discretionary |
| Dec 31, 2022 | NOC | $40.4K | Award | 74 | $545.61 | Discretionary |
| Sep 30, 2022 | NOC | $38.6K | Award | 82 | $470.32 | Discretionary |
| Jul 12, 2022 | VMW | $0 | Award | 2,275 | $N/A | Discretionary |
| Jun 30, 2022 | NOC | $38.3K | Award | 80 | $478.57 | Discretionary |
| May 20, 2022 | AKAM | $0 | Option Exercise | 1,325 | $N/A | Discretionary |
| May 19, 2022 | SCHW | $0 | Award | 2,054 | $N/A | Discretionary |
| May 18, 2022 | NOC | $175.1K | Award | 385 | $454.87 | Discretionary |
| Mar 31, 2022 | NOC | $37.6K | Award | 84 | $447.22 | Discretionary |
| Dec 31, 2021 | NOC | $37.5K | Award | 97 | $387.07 | Discretionary |
| Sep 30, 2021 | NOC | $37.5K | Award | 104 | $360.15 | Discretionary |
| Jul 23, 2021 | VMW | $0 | Award | 1,620 | $N/A | Discretionary |
| Jun 30, 2021 | NOC | $48.7K | Award | 134 | $363.43 | Discretionary |
| Jun 30, 2021 | NOC | $47.2K | Award | 130 | $363.43 | Discretionary |