Northrop Grumman Corp /DE/ SEC filings NOC
Northrop Grumman Corp /DE/ has 1,001 filings in SEC EDGAR's recent list, going back to Mar 31, 2017. Its latest annual report, Form ARS, was filed on Apr 3, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 20, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 20, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEFA14A | Additional proxy material | May 13, 2026 | — |
| DEF 14A | Proxy statement | Apr 3, 2026 | May 20, 2026 |
| DEFA14A | Additional proxy material | May 14, 2025 | — |
| DEF 14A | Proxy statement | Apr 4, 2025 | May 21, 2025 |
| DEFA14A | Additional proxy material | May 8, 2024 | — |
| DEF 14A | Proxy statement | Apr 3, 2024 | Dec 31, 2023 |
| PRE 14A | Preliminary proxy statement | Mar 21, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | May 10, 2023 | — |
| DEF 14A | Proxy statement | Mar 31, 2023 | — |
| PRE 14A | Preliminary proxy statement | Mar 16, 2023 | — |
| DEFA14A | Additional proxy material | May 11, 2022 | — |
| DEFA14A | Additional proxy material | May 10, 2022 | — |
| DEF 14A | Proxy statement | Apr 1, 2022 | May 18, 2022 |
| DEFA14A | Additional proxy material | May 12, 2021 | — |
| DEF 14A | Proxy statement | Apr 2, 2021 | May 19, 2021 |
| DEFA14A | Additional proxy material | May 14, 2020 | — |
| DEFA14A | Additional proxy material | May 7, 2020 | — |
| DEFA14A | Additional proxy material | May 5, 2020 | — |
| DEF 14A | Proxy statement | Apr 3, 2020 | May 20, 2020 |
| DEFA14A | Additional proxy material | May 8, 2019 | — |
| DEFA14A | Additional proxy material | May 1, 2019 | — |
| DEF 14A | Proxy statement | Mar 29, 2019 | May 15, 2019 |
| DEFA14A | Additional proxy material | May 8, 2018 | — |
| DEF 14A | Proxy statement | Mar 30, 2018 | May 16, 2018 |
| DEFA14A | Additional proxy material | Oct 13, 2017 | — |
| DEFA14A | Additional proxy material | Sep 18, 2017 | — |
| DEFA14A | Additional proxy material | Sep 18, 2017 | — |
| DEFA14A | Additional proxy material | May 5, 2017 | — |
| DEF 14A | Proxy statement | Mar 31, 2017 | May 17, 2017 |
Showing 29 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Search, Detection, Navigation, Guidance, Aeronautical Sys (SIC 3812)
- Listed as
- NOC (NYSE)
- Fiscal year ends
- December 31
- Headquarters
- Falls Church, VA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1133421
- Former names
- NNG INC (until Apr 2, 2001)
Other Search, Detection, Navigation, Guidance, Aeronautical Sys companies
- Garmin Ltd GRMN
- L3HARRIS Technologies, Inc. /DE/ LHX
- Teledyne Technologies Inc TDY
- Leonardo DRS, Inc. DRS
- Nextnav Inc. NN
- Intuitive Machines, Inc. LUNR
- Lyntris Inc. LYNX
- Applied Energetics, Inc. AERG
All 13 Search, Detection, Navigation, Guidance, Aeronautical Sys companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.