Kathryn G. Simpson

CIK: 0001986485

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (29.4%)

Position reduction

Option Exercises (M)4 (23.5%)

Derivative conversions

Awards (A)4 (23.5%)

Compensation grants

Other (G, F, J, C, D, …)4 (23.5%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

NOC

NORTHROP GRUMMAN CORP /DE/

Officer

Discretionary Trading P&L

Holdings

Transaction History (17 total)

NOC
NORTHROP GRUMMAN CORP /DE/
Mar 2, 2026
Sale(S)
Direct
873 shares at avg. $745.00$650K
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 19, 2026
Sale(S)
Direct
194 shares at avg. $727.62$141K
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 17, 2026
Tax Payment(F)
Direct
193 shares at avg. $701.12$135K
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 17, 2026
Sale(S)
Direct
779 shares at avg. $702.56$547K
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 17, 2026
Exercise(M)
Direct
387 shares-
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 11, 2026
Award(A)
Restricted Stock Rights
Direct
1.5K shares-
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 11, 2026
Exercise(M)
Direct
1.3K shares-
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 11, 2026
Tax Payment(F)
Direct
461 shares at avg. $678.83$313K
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 11, 2026
Award(A)
Restricted Performance Stock Rights
Direct
3.6K shares-
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 20, 2025
Sale(S)
Direct
1K shares at avg. $429.08$444K
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 18, 2025
Award(A)
Restricted Stock Rights
Direct
2K shares-
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 18, 2025
Exercise(M)
Direct
1.1K shares-
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 18, 2025
Award(A)
Restricted Performance Stock Rights
Direct
4.4K shares-
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 18, 2025
Exercise(M)
Direct
468 shares-
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 18, 2025
Tax Payment(F)
Direct
163 shares at avg. $441.36$72K
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 18, 2025
Tax Payment(F)
Direct
366 shares at avg. $441.36$162K
NOC
NORTHROP GRUMMAN CORP /DE/
Feb 18, 2025
Sale(S)
Direct
889 shares at avg. $445.35$396K

		Type	Shares	Price		Ownership
Mar 2, 2026	NOC NORTHROP GRUMMAN CORP /DE/	Sale(S)	873	$745.00	$650,385	Direct
Feb 19, 2026	NOC NORTHROP GRUMMAN CORP /DE/	Sale(S)	194	$727.62	$141,158	Direct
Feb 17, 2026	NOC NORTHROP GRUMMAN CORP /DE/	Tax Payment(F)	193	$701.12	$135,316	Direct
Feb 17, 2026	NOC NORTHROP GRUMMAN CORP /DE/	Sale(S)	779	$702.56	$547,294	Direct
Feb 17, 2026	NOC NORTHROP GRUMMAN CORP /DE/	Exercise(M)	387	-	$0	Direct
Feb 11, 2026	NOC NORTHROP GRUMMAN CORP /DE/	Award(A) Restricted Stock Rights	1,471	-	-	Direct
Feb 11, 2026	NOC NORTHROP GRUMMAN CORP /DE/	Exercise(M)	1,335	-	$0	Direct
Feb 11, 2026	NOC NORTHROP GRUMMAN CORP /DE/	Tax Payment(F)	461	$678.83	$312,941	Direct
Feb 11, 2026	NOC NORTHROP GRUMMAN CORP /DE/	Award(A) Restricted Performance Stock Rights	3,620	-	-	Direct
Feb 20, 2025	NOC NORTHROP GRUMMAN CORP /DE/	Sale(S)	1,035	$429.08	$444,098	Direct
Feb 18, 2025	NOC NORTHROP GRUMMAN CORP /DE/	Award(A) Restricted Stock Rights	1,965	-	-	Direct
Feb 18, 2025	NOC NORTHROP GRUMMAN CORP /DE/	Exercise(M)	1,097	-	-	Direct
Feb 18, 2025	NOC NORTHROP GRUMMAN CORP /DE/	Award(A) Restricted Performance Stock Rights	4,356	-	-	Direct
Feb 18, 2025	NOC NORTHROP GRUMMAN CORP /DE/	Exercise(M)	468	-	-	Direct
Feb 18, 2025	NOC NORTHROP GRUMMAN CORP /DE/	Tax Payment(F)	163	$441.36	$71,942	Direct
Feb 18, 2025	NOC NORTHROP GRUMMAN CORP /DE/	Tax Payment(F)	366	$441.36	$161,538	Direct
Feb 18, 2025	NOC NORTHROP GRUMMAN CORP /DE/	Sale(S)	889	$445.35	$395,916	Direct

1-17 of 17 transactions

About Simpson Kathryn G

Simpson Kathryn G (SEC CIK 0001986485) files insider reports with the SEC as Corp VP & General Counsel of NORTHROP GRUMMAN CORP /DE/ (NOC).

Signal8 holds 6 ownership filings by Simpson Kathryn G, all Form 4s, filed between Feb 20, 2025 and Mar 3, 2026. Those filings report 17 transactions, from Feb 18, 2025 to Mar 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Simpson Kathryn G's filings is in FALLS CHURCH, VA.

Recent filings by Simpson Kathryn G

Mar 2, 2026: Open-market sale of NOC shares (Form 4, code S).
Feb 19, 2026: Open-market sale of NOC shares (Form 4, code S).
Feb 17, 2026: Tax withholding of NOC shares (Form 4, code F).
Feb 17, 2026: Open-market sale of NOC shares (Form 4, code S).
Feb 17, 2026: Option exercise of NOC shares (Form 4, code M).

Other insiders filing for NORTHROP GRUMMAN CORP /DE/ (NOC)

Grady Christopher W., Director
KRISHNA ARVIND, Director
Brown Marianne Catherine, Director
Warden Kathy J, Chair, CEO and President
WELSH MARK A III, Director
WINSTON MARY A, Director

How to read Form 4 transaction codes