Northrop Grumman Corp /de/ (NOC) insider trading
Every open-market stock purchase and sale by Northrop Grumman Corp /de/ executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Industrials.
Insider activity at a glance
- Mark A Welsh III (Director) sold $52K in the last 90 days.
- Last insider buy: Ann M Fudge (Director), $4.9K, 8 years ago.
- Congress: William R. Keating bought $1K to $15K, 6 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $26.4M (17 sales). Last close $539.31 on Oct 21, 2026.
Recent NOC insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 30, 2026 | Marianne Catherine Brown (Director) | Bought (not open market) | $46.4K |
| Sep 30, 2026 | Arvind Krishna (Director) | Bought (not open market) | $36.3K |
| Aug 19, 2026 | Kathy J Warden (CEO) | Bought (not open market) | — |
| Aug 3, 2026 | Mark A Welsh III (Director) | Sold | $17K |
| Aug 3, 2026 | Mark A Welsh III (Director) | Sold | $10.4K |
| Aug 3, 2026 | Mark A Welsh III (Director) | Sold | $6K |
| Aug 3, 2026 | Mark A Welsh III (Director) | Sold | $5.5K |
| Aug 3, 2026 | Mark A Welsh III (Director) | Sold | $4.4K |
| Aug 3, 2026 | Mark A Welsh III (Director) | Sold | $3.3K |
| Aug 3, 2026 | Mark A Welsh III (Director) | Sold | $2.2K |
| Aug 3, 2026 | Mark A Welsh III (Director) | Sold | $1.1K |
| Aug 3, 2026 | Mark A Welsh III (Director) | Sold | $1.1K |
| Aug 3, 2026 | Mark A Welsh III (Director) | Sold | $1.1K |
| Jun 30, 2026 | Marianne Catherine Brown (Director) | Bought (not open market) | $46.3K |
| Jun 30, 2026 | Arvind Krishna (Director) | Bought (not open market) | $36.2K |
| May 20, 2026 | Arvind Krishna (Director) | Bought (not open market) | $193K |
| May 20, 2026 | David P Abney (Director) | Bought (not open market) | $193K |
| May 20, 2026 | Marianne Catherine Brown (Director) | Bought (not open market) | $193K |
| May 20, 2026 | Christopher W. Grady (Director) | Bought (not open market) | $193K |
| May 20, 2026 | Kimberly A. Ross (Director) | Bought (not open market) | $193K |
| May 20, 2026 | Gary Roughead (Director) | Bought (not open market) | $193K |
| May 20, 2026 | Thomas M Schoewe (Director) | Bought (not open market) | $193K |
| May 20, 2026 | James S Turley (Director) | Bought (not open market) | $193K |
| May 20, 2026 | Mary A Winston (Director) | Bought (not open market) | $193K |
| May 20, 2026 | Mark A Welsh III (Director) | Bought (not open market) | $193K |
Who's trading NOC
- Arvind Krishna, Director: other filings, last Sep 30, 2026
- Marianne Catherine Brown, Director: other filings, last Sep 30, 2026
- Kathy J Warden, CEO: sold $20.2M (9 sales), last Aug 19, 2026
- Mark A Welsh III, Director: sold $211K (35 sales), last Aug 3, 2026
- Mary A Winston, Director: other filings, last May 20, 2026
- David P Abney, Director: other filings, last May 20, 2026
- James S Turley, Director: other filings, last May 20, 2026
- Thomas M Schoewe, Director: other filings, last May 20, 2026
- Kimberly A. Ross, Director: other filings, last May 20, 2026
- Christopher W. Grady, Director: other filings, last May 20, 2026
- Gary Roughead, Director: other filings, last May 20, 2026
- William R. Keating, Representative: bought $8K (1 buy), last May 8, 2026
- Alan Armstrong, Senator: bought $8K (1 buy), last Mar 27, 2026
- Kathryn G Simpson, VP: sold $1.3M (3 sales), last Mar 2, 2026
- Roshan S Roeder, Officer: sold $1.9M (4 sales), last Feb 27, 2026
Get free alerts when an insider at Northrop Grumman Corp /de/ files a new trade →