X0508 4 2026-02-11 0 0001133421 NORTHROP GRUMMAN CORP /DE/ NOC 0001610732 Greene John 2980 FAIRVIEW PARK DRIVE FALLS CHURCH VA 22042 0 1 0 0 CVP & Chief Financial Officer 0 Restricted Performance Stock Rights 2026-02-11 4 A 0 4981 0 A Common Stock 4981 4981 D Restricted Stock Rights 2026-02-11 4 A 0 5362 0 A Common Stock 5362 5362 D 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). The RPSRs acquired include 4,981 unvested RPSRs granted under the 2024 Long-Term Incentive Stock Plan ("2024 LTISP) on 2/11/26 with a measurement period ending on 12/31/28. 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. The RSRs were granted under the 2024 LTISP on 2/11/26 and will vest on 2/12/29. Total amount includes (i) 2,298 RSRs granted under the 2024 LTISP on 2/11/26 that will vest on 2/12/29; (ii) 1,532 RSRs granted under the 2024 LTISP on 2/11/26 that will vest on 2/11/27; and (iii) 1,532 RSRs granted under the 2024 LTISP on 2/11/26 that will vest on 2/11/28. /s/ Jennifer C. McGarey, Attorney-in-Fact 2026-02-13