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See every NOC insider filing — free account, no card.
Free accountNORTHROP GRUMMAN CORP (NOC) has 4 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $54K. Most recent filing: Nov. 3, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Nov 3, 2026 SEC filing | WELSH MARK A III Director | Sold | $54,454 | — |
| Oct 1, 2026 SEC filing | KRISHNA ARVIND Director | Grant / award | $36,261 | — |
| Oct 1, 2026 SEC filing | Brown Marianne Catherine Director | Grant / award | $46,414 | — |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.