Kathy J. Warden - 11 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: 11 Feb 2026
Net transactions value: -$10,434,296
Form type: 4
Filing time: 13 Feb 2026, 16:16:33 UTC
Previous filing: 10 Feb 2026
Next filing: 19 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	13 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	+34,546	+20%	$0.000000	206,149	11 Feb 2026	Direct
transaction	NOC	Common Stock	Tax liability	$10,434,296	-15,371	-7.5%	$678.83	190,778	11 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 Performance Stock Rights	Award	$0	+28,785	+39%	$0.000000	102,064	11 Feb 2026	Common Stock	28,785		Direct	F1, F2, F3
transaction	NOC	Restricted Stock Rights	Award	$0	+8,113	+24%	$0.000000	41,780	11 Feb 2026	Common Stock	8,113		Direct	F4, F5, F6
transaction	NOC	Restricted Performance Stock Rights	Options Exercise	$0	-34,546	-34%	$0.000000	67,518	11 Feb 2026	Common Stock	34,546		Direct	F1, F7

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

Explanation of Responses:

Id	Content
F1	Each Restricted Performance Stock Right ("RPSR") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).
F2	The RPSRs acquired include (i) 11,204.16 vested RPSRs with respect to the measurement period ended 12/31/25 acquired due to settlement of the RPSRs granted under the 2011 Long-Term Incentive Stock Plan ("2011 LTISP") on 2/16/23 that resulted in settlement at 148% of the target award; and (ii) 17,581 unvested RPSRs granted under the 2024 Long-Term Incentive Stock Plan (the "2024 LTISP") on 2/11/26 with a measurement period ending on 12/31/28. A total of 34,546.16 shares were issued in settlement of the 2023 RPSRs with a measurement period that ended 12/31/25, and the target award amount of 23,342 RPSRs was previously reported in connection with the grant of the 2023 RPSRs.
F3	Total amount includes (i) 34,546.16 vested RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ended on 12/31/25; (ii) 24,309 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (iii) 25,628 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iv) 17,581 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending on 12/31/28.
F4	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.
F5	The RSRs were granted under the 2024 LTISP on 2/11/26 and will vest on 2/12/29.
F6	Total amount includes (i) 10,760 RSRs granted under the 2011 LTISP on 2/16/23 that will vest on 2/17/26; (ii) 11,155 RSRs granted under the 2011 LTISP on 2/14/24 that will vest on 2/16/27; (iii) 11,752 RSRs granted under the 2024 LTISP on 2/18/25 that will vest on 2/18/28; and (iv) 8,113 RSRs granted under 2024 LTISP on 2/11/26 that will vest on 2/12/29.
F7	Total amount includes (i) 24,309 RPSRs granted under the 2011 LTISP on 2/16/24 with a measurement period ending on 12/31/26; (ii) 25,628 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iii) 17,581 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending 12/31/28.