# Northrop Grumman Corp /De/ (NOC) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/noc

> 12 non-derivative transactions: 0 purchases, 10 sales ($52K). CIK 1133421.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-08-03 | WELSH MARK A III | Director | S | 11.0 | 546.42 | 4450.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026052370/0001628280-26-052370-index.htm |
| 2026-08-03 | WELSH MARK A III | Director | S | 4.0 | 554.14 | 4393.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026052370/0001628280-26-052370-index.htm |
| 2026-08-03 | WELSH MARK A III | Director | S | 2.0 | 553.9 | 4397.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026052370/0001628280-26-052370-index.htm |
| 2026-08-03 | WELSH MARK A III | Director | S | 2.0 | 552.95 | 4399.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026052370/0001628280-26-052370-index.htm |
| 2026-08-03 | WELSH MARK A III | Director | S | 2.0 | 550.68 | 4401.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026052370/0001628280-26-052370-index.htm |
| 2026-08-03 | WELSH MARK A III | Director | S | 6.0 | 549.5 | 4403.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026052370/0001628280-26-052370-index.htm |
| 2026-08-03 | WELSH MARK A III | Director | S | 10.0 | 548.32 | 4409.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026052370/0001628280-26-052370-index.htm |
| 2026-08-03 | WELSH MARK A III | Director | S | 31.0 | 547.42 | 4419.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026052370/0001628280-26-052370-index.htm |
| 2026-08-03 | WELSH MARK A III | Director | S | 19.0 | 545.59 | 4461.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026052370/0001628280-26-052370-index.htm |
| 2026-08-03 | WELSH MARK A III | Director | S | 8.0 | 544.53 | 4480.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026052370/0001628280-26-052370-index.htm |
| 2026-06-30 | KRISHNA ARVIND | Director | A | 71.0 | 509.31 | 2749.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026046449/0001628280-26-046449-index.htm |
| 2026-06-30 | Brown Marianne Catherine | Director | A | 91.0 | 509.31 | 11558.0 | https://www.sec.gov/Archives/edgar/data/1133421/000162828026046450/0001628280-26-046450-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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