Company: NOC
Filing Date: 2025-06-10
Form Type: 11-K
Source: 0001133421-25-000043
Chunk: 16

Company: NORTHROP GRUMMAN CORP /DE/
Filing Date: 2025-06-10
Form: 11-K
Chunk 16
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     | Participation in Northrop Grumman Defined Contribution Plans Master Trust                                  |     | **   |     | $             | 35,040,516 |
| *              |     | Fidelity Brokerage Services LLC                          |     | BrokerageLink Account                                                                                      |     | **   |     |               |  4,024,861 |
| *              |     | Plan Participants                                        |     | Participant loans (maturing from 2025 to 2039 at interest rates ranging from 3.25 percent to 11.5 percent) |     | **   |     |               |    329,923 |
| *              |     | State Street Bank and Trust Company                      |     | State Street Bank and Trust Company short-term investment fund                                             |     | **   |     |               |        902 |
|                |     | Total                                                    |     |                                                                                                            |     |      |     | $             | 39,396,202 |

| *  |     | Party-in-interest                                                                                               |
| ** |     | Cost information is not required for participant-directed investments and loans, and therefore is not included. |

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#### SIGNATURE
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 SAVINGS PLAN |     | 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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