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 |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 20, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 20, 2026 | Oct 20, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 21, 2026 | Aug 19, 2026 |
| 10-Q | Quarterly report | Jul 21, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 21, 2026 | Jul 21, 2026 |
| 11-K/A | 11-k/a (amendment no. 1) | Jun 11, 2026 | Dec 31, 2025 |
| 11-K/A | 11-k/a (amendment no. 1) | Jun 11, 2026 | Dec 31, 2025 |
| 11-K | Employee savings plan report | Jun 11, 2026 | Dec 31, 2025 |
| 11-K | Employee savings plan report | Jun 11, 2026 | Dec 31, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 21, 2026 | May 20, 2026 |
| DEFA14A | Additional proxy material | May 13, 2026 | — |
| S-3ASR | Automatic shelf registration | Apr 21, 2026 | — |
| 10-Q | Quarterly report | Apr 21, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 21, 2026 | Apr 21, 2026 |
| ARS | Annual report to shareholders | Apr 3, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 3, 2026 | May 20, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 13, 2026 | Feb 11, 2026 |
| 10-K | Annual report | Jan 27, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 27, 2026 | Jan 27, 2026 |
| 8-K |
Current report
Officer or director change
|
Nov 6, 2025 | Nov 3, 2025 |
| 10-Q | Quarterly report | Oct 21, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 21, 2025 | Oct 21, 2025 |
| 8-K |
Current report
Material agreement
|
Sep 2, 2025 | Sep 2, 2025 |
| 10-Q | Quarterly report | Jul 22, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 22, 2025 | Jul 22, 2025 |
| 11-K | Employee savings plan report | Jun 10, 2025 | Dec 31, 2024 |
| 11-K | Employee savings plan report | Jun 10, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
May 29, 2025 | May 27, 2025 |
| 424B5 | Prospectus supplement | May 28, 2025 | — |
| FWP | Free writing prospectus | May 28, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
May 28, 2025 | May 27, 2025 |
| 424B5 | Prospectus supplement | May 27, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2025 | May 21, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 16, 2025 | — |
| DEFA14A | Additional proxy material | May 14, 2025 | — |
| 10-Q | Quarterly report | Apr 22, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 22, 2025 | Apr 22, 2025 |
| PX14A6G | Filing | Apr 11, 2025 | — |
| ARS | Annual report to shareholders | Apr 4, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 4, 2025 | May 21, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 19, 2025 | Feb 17, 2025 |
| 10-K | Annual report | Jan 30, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2025 | Jan 30, 2025 |
| 10-Q | Quarterly report | Oct 24, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 24, 2024 | Oct 24, 2024 |
| 8-K/A |
Amended current report
Officer or director change
|
Sep 19, 2024 | May 14, 2024 |
| S-8 | Employee stock plan registration | Jul 25, 2024 | — |
| 10-Q | Quarterly report | Jul 25, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 25, 2024 | Jul 25, 2024 |
| 11-K | Employee savings plan report | Jun 14, 2024 | Dec 31, 2023 |
| 11-K | Employee savings plan report | Jun 14, 2024 | Dec 31, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 24, 2024 | — |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
May 16, 2024 | May 15, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 16, 2024 | May 14, 2024 |
| DEFA14A | Additional proxy material | May 8, 2024 | — |
| 10-Q | Quarterly report | Apr 25, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 25, 2024 | Apr 25, 2024 |
| ARS | Annual report to shareholders | Apr 3, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 3, 2024 | Dec 31, 2023 |
| PRE 14A | Preliminary proxy statement | Mar 21, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Officer or director change
|
Feb 20, 2024 | Feb 14, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 31, 2024 | Jan 29, 2024 |
| 424B5 | Prospectus supplement | Jan 31, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 30, 2024 | Jan 29, 2024 |
| FWP | Free writing prospectus | Jan 30, 2024 | — |
| 424B5 | Prospectus supplement | Jan 29, 2024 | — |
| 10-K | Annual report | Jan 25, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Jan 25, 2024 | Jan 25, 2024 |
| 10-Q | Quarterly report | Oct 26, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2023 | Oct 26, 2023 |
| 8-K |
Current report
Other events
|
Sep 22, 2023 | Sep 18, 2023 |
| S-8 | Employee stock plan registration | Jul 27, 2023 | — |
| 10-Q | Quarterly report | Jul 27, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2023 | Jul 27, 2023 |
| 8-K |
Current report
Other events
|
Jul 12, 2023 | Jul 7, 2023 |
| 11-K | Employee savings plan report | Jun 15, 2023 | Dec 31, 2022 |
| 11-K | Employee savings plan report | Jun 15, 2023 | Dec 31, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 22, 2023 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 19, 2023 | May 17, 2023 |
| DEFA14A | Additional proxy material | May 10, 2023 | — |
| 10-Q | Quarterly report | Apr 27, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2023 | Apr 27, 2023 |
| PX14A6G | Filing | Apr 24, 2023 | — |
| ARS | Annual report to shareholders | Mar 31, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Mar 31, 2023 | — |
| PRE 14A | Preliminary proxy statement | Mar 16, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Mar 15, 2023 | Mar 15, 2023 |
| S-3ASR | Automatic shelf registration | Mar 13, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Feb 17, 2023 | Feb 15, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Feb 8, 2023 | Feb 6, 2023 |
| 424B5 | Prospectus supplement | Feb 7, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 7, 2023 | Feb 6, 2023 |
| FWP | Free writing prospectus | Feb 7, 2023 | — |
| 424B2 | Prospectus | Feb 6, 2023 | — |
| 10-K | Annual report | Jan 26, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Jan 26, 2023 | Jan 26, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 17, 2022 | Nov 16, 2022 |
| 10-Q | Quarterly report | Oct 27, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2022 | Oct 27, 2022 |
| UPLOAD | Letter from the SEC | Oct 7, 2022 | — |
| CORRESP | Letter to the SEC | Oct 5, 2022 | — |
| 8-K |
Current report
Officer or director change
|
Sep 22, 2022 | Sep 19, 2022 |
| UPLOAD | Letter from the SEC | Sep 21, 2022 | — |
| 8-K |
Current report
Material agreement
|
Aug 23, 2022 | Aug 23, 2022 |
| 10-Q | Quarterly report | Jul 28, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2022 | Jul 28, 2022 |
| 11-K | Employee savings plan report | Jun 16, 2022 | Dec 31, 2021 |
| 11-K | Employee savings plan report | Jun 16, 2022 | Dec 31, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 23, 2022 | — |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2022 | May 18, 2022 |
| EFFECT | Filing | May 12, 2022 | — |
| 424B3 | Prospectus | May 12, 2022 | — |
| DEFA14A | Additional proxy material | May 11, 2022 | — |
| CORRESP | Letter to the SEC | May 10, 2022 | — |
| DEFA14A | Additional proxy material | May 10, 2022 | — |
| UPLOAD | Letter from the SEC | May 4, 2022 | — |
| S-4 | Registration for a merger or exchange | Apr 28, 2022 | — |
| 10-Q | Quarterly report | Apr 28, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2022 | Apr 28, 2022 |
| DEF 14A | Proxy statement | Apr 1, 2022 | May 18, 2022 |
| 8-K |
Current report
Officer or director change
|
Feb 18, 2022 | Feb 15, 2022 |
| 10-K | Annual report | Jan 27, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Jan 27, 2022 | Jan 27, 2022 |
| 8-K |
Current report
Other events
|
Dec 10, 2021 | Dec 8, 2021 |
| 8-K |
Current report
Officer or director change
|
Nov 18, 2021 | Nov 15, 2021 |
| 8-K |
Current report
Other events
|
Nov 2, 2021 | Nov 2, 2021 |
| 10-Q | Quarterly report | Oct 28, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 3, 2021 | Sep 2, 2021 |
| 8-K |
Current report
Material agreement
|
Aug 27, 2021 | Aug 25, 2021 |
| 8-K |
Current report
Officer or director change
|
Aug 12, 2021 | Aug 11, 2021 |
| 10-Q | Quarterly report | Jul 29, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2021 | Jul 29, 2021 |
| 11-K | Employee savings plan report | Jun 16, 2021 | Dec 31, 2020 |
| 11-K | Employee savings plan report | Jun 16, 2021 | Dec 31, 2020 |
| SD | Specialized disclosure (conflict minerals) | May 24, 2021 | — |
| 8-K |
Current report
Shareholder vote results
|
May 24, 2021 | May 19, 2021 |
| DEFA14A | Additional proxy material | May 12, 2021 | — |
| PX14A6G | Filing | May 5, 2021 | — |
| 10-Q | Quarterly report | Apr 29, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2021 | Apr 29, 2021 |
| PX14A6G | Filing | Apr 22, 2021 | — |
| DEF 14A | Proxy statement | Apr 2, 2021 | May 19, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 18, 2021 | Feb 16, 2021 |
| 8-K |
Current report
Other events
|
Feb 1, 2021 | Feb 1, 2021 |
| 8-K |
Current report
Other events
|
Feb 1, 2021 | Feb 1, 2021 |
| 10-K | Annual report | Jan 28, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Jan 28, 2021 | Jan 28, 2021 |
| 8-K |
Current report
Other events
|
Dec 8, 2020 | Dec 7, 2020 |
| 10-Q | Quarterly report | Oct 22, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 22, 2020 | Oct 22, 2020 |
| 8-K |
Current report
Officer or director change
|
Oct 14, 2020 | Oct 9, 2020 |
| 10-Q | Quarterly report | Jul 30, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2020 | Jul 30, 2020 |
| 11-K | Employee savings plan report | Jun 16, 2020 | Dec 31, 2019 |
| 11-K | Employee savings plan report | Jun 16, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Officer or director change
|
Jun 11, 2020 | Jun 10, 2020 |
| 8-K |
Current report
Shareholder vote results
|
May 27, 2020 | May 20, 2020 |
| SD | Specialized disclosure (conflict minerals) | May 26, 2020 | — |
| PX14A6G | Filing | May 14, 2020 | — |
| DEFA14A | Additional proxy material | May 14, 2020 | — |
| DEFA14A | Additional proxy material | May 7, 2020 | — |
| DEFA14A | Additional proxy material | May 5, 2020 | — |
| 8-K |
Current report
Other events
|
Apr 29, 2020 | Apr 29, 2020 |
| 10-Q | Quarterly report | Apr 29, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2020 | Apr 29, 2020 |
| DEF 14A | Proxy statement | Apr 3, 2020 | May 20, 2020 |
| S-3ASR | Automatic shelf registration | Mar 31, 2020 | — |
| 8-K |
Current report
Material agreement, New debt
|
Mar 24, 2020 | Mar 19, 2020 |
| 424B5 | Prospectus supplement | Mar 23, 2020 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 20, 2020 | Mar 19, 2020 |
| FWP | Free writing prospectus | Mar 20, 2020 | — |
| 8-K |
Current report
Other events
|
Mar 19, 2020 | Mar 19, 2020 |
| 424B5 | Prospectus supplement | Mar 19, 2020 | — |
| 8-K |
Current report
Officer or director change
|
Feb 18, 2020 | Feb 12, 2020 |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 6, 2020 | Feb 5, 2020 |
| 10-K | Annual report | Jan 30, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2020 | Jan 30, 2020 |
| 10-Q | Quarterly report | Oct 24, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 24, 2019 | Oct 24, 2019 |
| 8-K |
Current report
Material agreement
|
Oct 21, 2019 | Oct 17, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 19, 2019 | Sep 15, 2019 |
| 10-Q | Quarterly report | Jul 24, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Jul 24, 2019 | Jul 24, 2019 |
| 8-K |
Current report
Officer or director change
|
Jul 9, 2019 | Jul 8, 2019 |
| 11-K | Employee savings plan report | Jun 12, 2019 | Dec 31, 2018 |
| 11-K | Employee savings plan report | Jun 12, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2019 | May 15, 2019 |
| SD | Specialized disclosure (conflict minerals) | May 20, 2019 | — |
| DEFA14A | Additional proxy material | May 8, 2019 | — |
| DEFA14A | Additional proxy material | May 1, 2019 | — |
| 10-Q | Quarterly report | Apr 24, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
Apr 24, 2019 | Apr 24, 2019 |
| PX14A6G | Filing | Apr 18, 2019 | — |
| DEF 14A | Proxy statement | Mar 29, 2019 | May 15, 2019 |
| 8-K |
Current report
Other events
|
Feb 20, 2019 | Feb 19, 2019 |
| 8-K |
Current report
Officer or director change
|
Feb 19, 2019 | Feb 13, 2019 |
| 10-K | Annual report | Jan 31, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Jan 31, 2019 | Jan 31, 2019 |
Showing 200 filings, the most recent 200. 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.
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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.