Kathy J. Warden - 17 Feb 2026 Form 4 Insider Report for NORTHROP GRUMMAN CORP /DE/ (NOC)

Role: Chair, CEO and President, Director
Signature: /s/ Jennifer C. McGarey, Attorney-in-Fact
Issuer symbol: NOC
Transactions as of: 17 Feb 2026
Net transactions value: -$3,405,340
Form type: 4
Filing time: 19 Feb 2026, 16:25:20 UTC
Previous filing: 13 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Warden Kathy J	Chair, CEO and President, Director	2980 FAIRVIEW PARK DRIVE, FALLS CHURCH	/s/ Jennifer C. McGarey, Attorney-in-Fact	19 Feb 2026	0001559112

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NOC	Common Stock	Options Exercise	$0	+10,760	+5.6%	$0.000000	201,538	17 Feb 2026	Direct
transaction	NOC	Common Stock	Tax liability	$3,405,340	-4,857	-2.4%	$701.12	196,681	17 Feb 2026	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	NOC	Restricted Stock Rights	Options Exercise	$0	-10,760	-26%	$0.000000	31,020	17 Feb 2026	Common Stock	10,760		Direct	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each Restricted Stock Right ("RSR") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.
F2	Shares issued upon vesting of RSRs granted under the 2011 Long-Term Incentive Stock Plan ("2011 LTISP") on 2/16/23 that vested on 2/17/26.
F3	Total amount includes (i) 11,155 RSRs granted under the 2011 LTISP on 2/14/24 that will vest on 2/16/27; (ii) 11,752 RSRs granted under the 2024 LTISP on 2/18/25 that will vest on 2/18/28; and (iii) 8,113 RSRs granted under 2024 LTISP on 2/11/26 that will vest on 2/12/29.