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Northrop Grumman insider trading
Transactions in NOC stock reported by Northrop Grumman executives, directors and large holders on SEC Form 4 over the last 120 days. Last update 2026-10-14.
$52Kopen-market sales (95 shares, 1 insiders)
$0open-market purchases (0 shares, 0 insiders)
6Form 4 filings
Insiders
Mark A Welsh III Director Sold $52K Arvind Krishna Director 2 other transactions Marianne Catherine Brown Director 2 other transactions
All transactions
| Date | Insider | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | Arvind Krishna Director | Grant or award | 75 | $483.48 | — | Form 4 ↗ |
| Sep 30, 2026 | Marianne Catherine Brown Director | Grant or award | 96 | $483.48 | — | Form 4 ↗ |
| Aug 3, 2026 | Mark A Welsh III Director | Open-market sale 10b5-1 plan | 8 | $544.53 | $4K | Form 4 ↗ |
| Aug 3, 2026 | Mark A Welsh III Director | Open-market sale 10b5-1 plan | 19 | $545.59 | $10K | Form 4 ↗ |
| Aug 3, 2026 | Mark A Welsh III Director | Open-market sale 10b5-1 plan | 11 | $546.42 | $6K | Form 4 ↗ |
| Aug 3, 2026 | Mark A Welsh III Director | Open-market sale 10b5-1 plan | 31 | $547.42 | $17K | Form 4 ↗ |
| Aug 3, 2026 | Mark A Welsh III Director | Open-market sale 10b5-1 plan | 10 | $548.32 | $5K | Form 4 ↗ |
| Aug 3, 2026 | Mark A Welsh III Director | Open-market sale 10b5-1 plan | 6 | $549.50 | $3K | Form 4 ↗ |
| Aug 3, 2026 | Mark A Welsh III Director | Open-market sale 10b5-1 plan | 2 | $550.68 | $1K | Form 4 ↗ |
| Aug 3, 2026 | Mark A Welsh III Director | Open-market sale 10b5-1 plan | 2 | $552.95 | $1K | Form 4 ↗ |
| Aug 3, 2026 | Mark A Welsh III Director | Open-market sale 10b5-1 plan | 2 | $553.90 | $1K | Form 4 ↗ |
| Aug 3, 2026 | Mark A Welsh III Director | Open-market sale 10b5-1 plan | 4 | $554.14 | $2K | Form 4 ↗ |
| Jun 30, 2026 | Marianne Catherine Brown Director | Grant or award | 91 | $509.31 | — | Form 4 ↗ |
| Jun 30, 2026 | Arvind Krishna Director | Grant or award | 71 | $509.31 | — | Form 4 ↗ |
Source: SEC EDGAR, Northrop Grumman Form 4 filings. Values are shares × reported price for open-market trades. Insider trades are reported facts, not recommendations. Not investment advice. See the tracker for how to read the codes.