NORTHROP GRUMMAN CORP /DE/ (NOC) has 4 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $52K. Most recent filing: Aug. 21, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Aug. 21, 2026 filed Aug. 19, 2026 | Warden Kathy J Chair, CEO and President | $0 | 35,910 | 0% | No | |
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| Aug. 4, 2026 filed Aug. 3, 2026 | WELSH MARK A III Director | −$52,015 | 95 | −2% | Yes | |
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| July 1, 2026 filed June 30, 2026 | Brown Marianne Catherine Director | $46,347 | 91 | +1% | No | |
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| July 1, 2026 filed June 30, 2026 | KRISHNA ARVIND Director | $36,161 | 71 | +3% | No | |
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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.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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