Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Warden Kathy J 2. Issuer Name and Ticker or Trading Symbol NORTHROP GRUMMAN CORP /DE/ [NOC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chair, CEO and President (Last) (First) (Middle) 2980 FAIRVIEW PARK DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 02/11/2026 (Street) FALLS CHURCH, VA 22042 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/11/2026 M 34,546.16 A $ 0 206,148.56 D Common Stock 02/11/2026 F 15,371 D $678.83 190,777.56 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Restricted Performance Stock Rights

(1)

02/11/2026

A

28,785.16(2)

(1)

(1)

Common Stock

28,785.16

$ 0

102,064.16(3)

D

Restricted Stock Rights

(4)

02/11/2026

A

8,113

(4)

(5)

Common Stock

8,113

$ 0

41,780(6)

D

Restricted Performance Stock Rights

(1)

02/11/2026

M

34,546.16

(1)

(1)

Common Stock

34,546.16

$ 0

67,518(7)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Warden Kathy J 2980 FAIRVIEW PARK DRIVE FALLS CHURCH, VA 22042	X		Chair, CEO and President

Signatures

/s/ Jennifer C. McGarey, Attorney-in-Fact		02/13/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	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).
(2)	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.
(3)	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.
(4)	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.
(5)	The RSRs were granted under the 2024 LTISP on 2/11/26 and will vest on 2/12/29.
(6)	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.
(7)	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.

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