Brown Marianne Catherine - Insider Non-Derivative Transactions at NORTHROP GRUMMAN CORP /DE/ (NOC) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Sep 30, 2025, Brown Marianne Catherine's relationship to NORTHROP GRUMMAN CORP /DE/ (NOC) is Director, and currently has 10,836 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other NOC insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Brown Marianne Catherine - Insider Non-Derivative Transactions of NOC Common Stock

Brown Marianne Catherine - Insider Non-Derivative Transactions at NOC

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Oct 1, 2025	Acquisition -- (Common Stock)	76	609.32	10836
Jul 1, 2025	Acquisition -- (Common Stock)	93	499.98	10718
May 22, 2025	Acquisition -- (Common Stock)	385	473.9	10575
Apr 1, 2025	Acquisition -- (Common Stock)	90	512.01	10190
Jan 1, 2025	Acquisition -- (Common Stock)	99	469.29	10056
Oct 1, 2024	Acquisition -- (Common Stock)	88	528.07	9916
Aug 1, 2024	Acquisition -- (Common Stock)	377	484.32	9695
Aug 1, 2024	Acquisition -- (Common Stock)	94	484.32	9789
Apr 1, 2024	Acquisition -- (Common Stock)	94	478.66	9276
Jan 1, 2024	Acquisition -- (Common Stock)	96	468.14	9145
Oct 1, 2023	Acquisition -- (Common Stock)	102	440.19	9013
Jul 1, 2023	Acquisition -- (Common Stock)	99	455.8	8872
May 18, 2023	Acquisition -- (Common Stock)	392	447.34	8737
Apr 1, 2023	Acquisition -- (Common Stock)	97	461.72	8345
Jan 1, 2023	Acquisition -- (Common Stock)	74	545.61	8217