Company: NOC
Filing Date: 2025-04-04
Form Type: DEF 14A
Source: 0001133421-25-000016
Chunk: 0

Company: NORTHROP GRUMMAN CORP /DE/
Filing Date: 2025-04-04
Form: DEF 14A
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### SCHEDULE 14A

#### Proxy Statement Pursuant to Section 14(a)

#### of the Securities Exchange Act of 1934
Filed by the Registrant

Filed by a Party other than the Registrant

Check the appropriate box:

| Preliminary Proxy Statement                                                     |
| Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| Definitive Proxy Statement                                                      |
| Definitive Additional Materials                                                 |
| Soliciting Material Pursuant to §240.14a-12                                     |

#### Northrop Grumman Corporation
<div align='center'>(Name of Registrant as Specified In Its Charter)</div>

<div align='center'>(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

Payment of Filing Fee:

| No fee required.                                                                                    |
| Fee paid previously with preliminary materials.                                                     |
| Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

#### Our Values
Our Values form the foundation of our pioneering culture and enable us to deliver for our shareholders. Our Values define our operating principles as we face an increasingly complex world. They reflect who we are and how we behave, and they articulate what is important to us.

| We Do the      
 Right Thing    |     | We earn trust, act with ethics, integrity and transparency, treat everyone with respect and value diverse perspectives.                                         |
| We Do What We  
 Promise        |     | We own the delivery of results, focused on quality outcomes.                                                                                                    |
| We Commit to   
 Shared Success |     | We work together to focus on the mission and take accountability for the sustainable success of our people, customers, shareholders, suppliers and communities. |
| We             
 Pioneer        |     | With fierce curiosity, dedication and innovation, we seek to solve the world’s most challenging problems.                                                       |

#### Letter from the Board of Directors
April 4, 2025

#### Dear Fellow Shareholders,
We invite you to participate in Northrop Grumman Corporation’s 2025 Annual Meeting of Shareholders on Wednesday, May 21, 2025, beginning at 8 a.m. ET. The accompanying Proxy Statement explains more about the matters to be voted on at the Annual Meeting, proxy voting instructions and