X0508 4 2026-02-17 0 0001133421 NORTHROP GRUMMAN CORP /DE/ NOC 0001950117 ROEDER ROSHAN S 2980 FAIRVIEW PARK DRIVE FALLS CHURCH VA 22042 0 1 0 0 CVP & Pres. Mission Systems 1 Common Stock 2026-02-17 4 M 0 2017 0 A 5929.39 D Common Stock 2026-02-17 4 F 0 992 701.12 D 4937.39 D Common Stock 2026-02-17 4 S 0 318 702.56 D 4619.39 D Common Stock 115.9291 I Held in Northrop Grumman Savings Plan Restricted Stock Rights 2026-02-17 4 M 0 2017 0 D Common Stock 2017 6513 D This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 30, 2025. Held in the Northrop Grumman Savings Plan (the "Plan"), a qualified defined contribution plan, as of February 17, 2026. Share totals with respect to the Plan are based upon unit accounting and therefore may reflect a change in units attributable to an individual though no acquisition or disposition occurred. 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. 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. Total amount includes (i) 2,356 RSRs granted under the 2011 LTISP on 2/14/24 that will vest on 2/16/27; (ii) 2,456 RSRs granted under the 2024 LTISP on 2/18/25 that will vest on 2/18/28; and (iii) 1,701 RSRs granted under 2024 LTISP on 2/11/26 that will vest on 2/12/29. /s/ Jennifer C. McGarey, Attorney-in-Fact 2026-02-19