Director Mark A. Welsh III filed a Form 4 with the SEC on November 3, 2026, reporting the sale of 98 shares of Northrop Grumman Corp /DE/ common stock on November 2, 2026, pursuant to a Rule 10b5-1 trading plan.

Key Highlights

  • Reporting person: Mark A. Welsh III, identified as a Director of Northrop Grumman Corp /DE/ (NYSE:NOC).
  • Total shares sold: 98 shares of common stock across five separate transactions on November 2, 2026.
  • Price range: Weighted average sale prices ranged from $553.39 to $557.47 per share across the five transactions.
  • Remaining holdings: Welsh directly owns 4,314 shares of common stock following the reported transactions.
  • 10b5-1 plan: All sales were effected pursuant to a Rule 10b5-1 trading plan adopted on July 27, 2026.
  • Transaction code: All five transactions are coded "S" (sale) and listed as direct ownership disposals.

Welsh's Five-Transaction Sale of Northrop Grumman Common Stock

According to the filing, Director Mark A. Welsh III disposed of a total of 98 shares of Northrop Grumman Corp /DE/ common stock on November 2, 2026, in five separate sale transactions. The filing indicates all sales were made pursuant to a Rule 10b5-1 trading plan that Welsh adopted on July 27, 2026. The filing box indicating a Rule 10b5-1(c) plan is checked on the form.

The five transactions, as reported, were as follows: 7 shares sold at a weighted average price of $553.39 (range $553.19 to $553.80); 20 shares at a weighted average of $554.48 (range $554.01 to $554.99); 20 shares at a weighted average of $555.46 (range $555.03 to $555.89); 50 shares at a weighted average of $556.47 (range $556.03 to $556.60); and 1 share at $557.47. All weighted average prices are stated as rounded to the nearest hundredth. The filing notes that Welsh undertakes to provide full information on shares sold at each separate price within those ranges upon request by the issuer, any security holder, or SEC staff.

Following all reported transactions, the filing shows Welsh directly and beneficially owns 4,314 shares of Northrop Grumman common stock. No derivative securities transactions were reported in Table II of the form. The filing was signed by Jennifer C. McGarey as Attorney-in-Fact on November 3, 2026.

What Was Disclosed

Director Mark A. Welsh III reported selling 98 shares of Northrop Grumman Corp /DE/ common stock on November 2, 2026, under a pre-established Rule 10b5-1 plan, at weighted average prices between $553.39 and $557.47, leaving him with 4,314 shares directly owned.