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Who

Kathy J. Warden

Chair, CEO and President

Company insider

Files Form 4 as: Chair, CEO and President, Northrop Grumman; Director, Merck & Company.

In numbers

Trades disclosed
181
Buys
1
Sells
13
Bought
$20K
Sold
$61.0M
Companies
2
Companies where not an officer
1
First trade
20 Feb 2013
Last trade
19 Aug 2026
Last filed
21 Aug 2026

Companies traded

Where they are an officer
NOC Northrop GrummanDirector, Officer · Aerospace & Defense · last 19 Aug 20261 buy · 13 sells
Everywhere else they filed: board seats, 10% stakes, other companies
MRK Merck & CompanyDirector · Pharmaceuticals · last 29 May 20260 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
19 Aug 2026filed 21 Aug 2026NOC Northrop Grummanoption or derivative · Aerospace & DefenseSEC FORM 4 Code A—35,910 at $0.00filing
19 Aug 2026filed 21 Aug 2026NOC Northrop Grummanoption or derivative · Aerospace & DefenseSEC FORM 4 Code A—35,910 at $0.00filing
29 May 2026filed 2 Jun 2026MRK Merck & Companyoption or derivative · PharmaceuticalsSEC FORM 4 Code A$220K1,853.1 at $118.72filing
29 May 2026filed 2 Jun 2026MRK Merck & Companyoption or derivative · PharmaceuticalsSEC FORM 4 Code A$220K1,853.1 at $118.72filing
17 Feb 2026filed 19 Feb 2026NOC Northrop GrummanAerospace & DefenseSEC FORM 4 Code M—10,760 at $0.00filing
17 Feb 2026filed 19 Feb 2026NOC Northrop GrummanAerospace & DefenseSEC FORM 4 Code F$3.4M4,857 at $701.12filing
17 Feb 2026filed 19 Feb 2026NOC Northrop Grummanoption or derivative · Aerospace & DefenseSEC FORM 4 Code M—10,760 at $0.00filing
17 Feb 2026filed 19 Feb 2026NOC Northrop Grummanoption or derivative · Aerospace & DefenseSEC FORM 4 Code M—10,760 at $0.00filing
17 Feb 2026filed 19 Feb 2026NOC Northrop GrummanAerospace & DefenseSEC FORM 4 Code M—10,760 at $0.00filing
17 Feb 2026filed 19 Feb 2026NOC Northrop GrummanAerospace & DefenseSEC FORM 4 Code F$3.4M4,857 at $701.12filing
11 Feb 2026filed 13 Feb 2026NOC Northrop GrummanAerospace & DefenseSEC FORM 4 Code M—34,546.16 at $0.00filing
11 Feb 2026filed 13 Feb 2026NOC Northrop GrummanAerospace & DefenseSEC FORM 4 Code F$10.4M15,371 at $678.83filing
11 Feb 2026filed 13 Feb 2026NOC Northrop Grummanoption or derivative · Aerospace & DefenseSEC FORM 4 Code A—28,785.16 at $0.00filing
11 Feb 2026filed 13 Feb 2026NOC Northrop Grummanoption or derivative · Aerospace & DefenseSEC FORM 4 Code A—28,785.16 at $0.00filing
11 Feb 2026filed 13 Feb 2026NOC Northrop Grummanoption or derivative · Aerospace & DefenseSEC FORM 4 Code A—8,113 at $0.00filing
11 Feb 2026filed 13 Feb 2026NOC Northrop Grummanoption or derivative · Aerospace & DefenseSEC FORM 4 Code M—34,546.16 at $0.00filing
11 Feb 2026filed 13 Feb 2026NOC Northrop Grummanoption or derivative · Aerospace & DefenseSEC FORM 4 Code A—8,113 at $0.00filing
11 Feb 2026filed 13 Feb 2026NOC Northrop Grummanoption or derivative · Aerospace & DefenseSEC FORM 4 Code M—34,546.16 at $0.00filing
11 Feb 2026filed 13 Feb 2026NOC Northrop GrummanAerospace & DefenseSEC FORM 4 Code M—34,546.16 at $0.00filing
11 Feb 2026filed 13 Feb 2026NOC Northrop GrummanAerospace & DefenseSEC FORM 4 Code F$10.4M15,371 at $678.83filing

Sectors

Industrials14

Buys in green, sells in red, by the company’s sector.

Related people

Marianne Catherine BrownDirector · Director at Northrop Grumman Corp /de/, filing Form 4 there in the last year
Arvind KrishnaDirector · Director at Northrop Grumman Corp /de/, filing Form 4 there in the last year
Mark A. Welsh IIIDirector · Director at Northrop Grumman Corp /de/, filing Form 4 there in the last year
Kimberly A. RossDirector · Director at Northrop Grumman Corp /de/, filing Form 4 there in the last year
Gary RougheadDirector · Director at Northrop Grumman Corp /de/, filing Form 4 there in the last year