Company: NOC
Filing Date: 2025-06-10
Form Type: 11-K
Source: 0001133421-25-000044
Chunk: 14

Company: NORTHROP GRUMMAN CORP /DE/
Filing Date: 2025-06-10
Form: 11-K
Chunk 14
---
Pursuant to the requirements of the Securities and Exchange Act of 1934, the trustees (or other persons who administer the employee benefit plan) have duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.

| Dated: | June 10, 2025 |     | NORTHROP GRUMMAN FINANCIAL SECURITY AND   SAVINGS PROGRAM |     | By: |     | /s/ Michael A. Hardesty                                                 |
|:-------|:--------------|:----|:----------------------------------------------------------|:----|:----|:----|:------------------------------------------------------------------------|
|        |               |     |                                                           |     |     |     | Michael A. Hardesty                                                     |
|        |               |     |                                                           |     |     |     | Chair, Audit Subcommittee of the Benefit Plans Administrative Committee |

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### EXHIBIT INDEX
| *23 |     | Consent of Independent Registered Public Accounting Firm |
| *   |     | Filed with this report                                   |

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