Kathryn G. Simpson - 11 Feb 2026 Form 4 Insider Report for NORTHROP GRUMMAN CORP /DE/ (NOC)

Role: Corp VP & General Counsel
Signature: /s/ Jennifer C. McGarey, Attorney-in-Fact
Issuer symbol: NOC
Transactions as of: 11 Feb 2026
Net transactions value: -$312,941
Form type: 4
Filing time: 13 Feb 2026, 16:17:13 UTC
Previous filing: 24 Feb 2025
Next filing: 19 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Simpson Kathryn G	Corp VP & General Counsel	2980 FAIRVIEW PARK DRIVE, FALLS CHURCH	/s/ Jennifer C. McGarey, Attorney-in-Fact	13 Feb 2026	0001986485

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NOC	Common Stock	Options Exercise	$0	+1,335	+171%	$0.000000	2,114	11 Feb 2026	Direct
transaction	NOC	Common Stock	Tax liability	$312,941	-461	-22%	$678.83	1,653	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	+3,620	+40%	$0.000000	12,580	11 Feb 2026	Common Stock	3,620		Direct	F1, F2, F3
transaction	NOC	Restricted Stock Rights	Award	$0	+1,471	+36%	$0.000000	5,555	11 Feb 2026	Common Stock	1,471		Direct	F4, F5, F6
transaction	NOC	Restricted Performance Stock Rights	Options Exercise	$0	-1,335	-11%	$0.000000	11,245	11 Feb 2026	Common Stock	1,335		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) 432.96 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) 3,187 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 1,334.96 shares were issued in settlement of the 2023 RPSRs with a measurement period that ended 12/31/25, and the target award amount of 902 RPSRs was previously reported in connection with the grant of the 2023 RPSRs.
F3	Total amount includes (i) 1,334.96 vested RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ended on 12/31/25; (ii) 3,774 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (iii) 4,284 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iv) 3,187 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) 387 RSRs granted under the 2011 LTISP on 2/16/23 that will vest on 2/17/26; (ii) 1,732 RSRs granted under the 2011 LTISP on 2/14/24 that will vest on 2/16/27; (iii) 1,965 RSRs granted under the 2024 LTISP on 2/18/25 that will vest on 2/18/28; and (iv) 1,471 RSRs granted under 2024 LTISP on 2/11/26 that will vest on 2/12/29.
F7	Total amount includes (i) 3,774 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (ii) 4,284 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iii) 3,187 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending 12/31/28.