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 |
|---|---|---|---|
| 4 | Insider transaction | Nov 4, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Nov 2, 2026 |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 10-Q | Quarterly report | Oct 20, 2026 | Sep 30, 2026 |
| 3/A | Form 3/a | Oct 20, 2026 | Feb 12, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 20, 2026 | Oct 20, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Aug 21, 2026 | Aug 19, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 21, 2026 | Aug 19, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2026 | — |
| 4 | Insider transaction | Aug 4, 2026 | Aug 3, 2026 |
| 144 | Notice of proposed sale | Jul 24, 2026 | — |
| 10-Q | Quarterly report | Jul 21, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 21, 2026 | Jul 21, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 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 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2026 | — |
| DEFA14A | Additional proxy material | May 13, 2026 | — |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 144 | Notice of proposed sale | May 4, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 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 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| 144 | Notice of proposed sale | Feb 27, 2026 | — |
| 4 | Insider transaction | Feb 20, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 12, 2026 |
| 3 | Initial insider ownership | Feb 19, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 144 | Notice of proposed sale | Feb 19, 2026 | — |
| 144 | Notice of proposed sale | Feb 19, 2026 | — |
| 144 | Notice of proposed sale | Feb 19, 2026 | — |
| 144 | Notice of proposed sale | Feb 18, 2026 | — |
| 4 | Insider transaction | Feb 17, 2026 | Feb 13, 2026 |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Feb 13, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 144 | Notice of proposed sale | Feb 13, 2026 | — |
| 4 | Insider transaction | Feb 10, 2026 | Feb 6, 2026 |
| 144 | Notice of proposed sale | Feb 6, 2026 | — |
| 4 | Insider transaction | Feb 3, 2026 | Feb 2, 2026 |
| 10-K | Annual report | Jan 27, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 27, 2026 | Jan 27, 2026 |
| 3 | Initial insider ownership | Jan 12, 2026 | Jan 7, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 144 | Notice of proposed sale | Jan 6, 2026 | — |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 144 | Notice of proposed sale | Jan 5, 2026 | — |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 144 | Notice of proposed sale | Dec 9, 2025 | — |
| 4 | Insider transaction | Dec 8, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Nov 25, 2025 | Nov 24, 2025 |
| 144 | Notice of proposed sale | Nov 24, 2025 | — |
| 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 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Material agreement
|
Sep 2, 2025 | Sep 2, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2025 | — |
| 10-Q | Quarterly report | Jul 22, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 22, 2025 | Jul 22, 2025 |
| 4 | Insider transaction | Jul 18, 2025 | Jul 17, 2025 |
| 144 | Notice of proposed sale | Jul 17, 2025 | — |
| 4 | Insider transaction | Jul 8, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 144 | Notice of proposed sale | Jun 13, 2025 | — |
| 144 | Notice of proposed sale | Jun 13, 2025 | — |
| 144 | Notice of proposed sale | Jun 13, 2025 | — |
| 144 | Notice of proposed sale | Jun 12, 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 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 144 | Notice of proposed sale | Jun 5, 2025 | — |
| 4 | Insider transaction | Jun 5, 2025 | Jun 4, 2025 |
| 144 | Notice of proposed sale | Jun 4, 2025 | — |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 144 | Notice of proposed sale | May 30, 2025 | — |
| 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 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 16, 2025 | — |
| DEFA14A | Additional proxy material | May 14, 2025 | — |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 30, 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 | — |
| 4 | Insider transaction | Apr 8, 2025 | Apr 7, 2025 |
| ARS | Annual report to shareholders | Apr 4, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 4, 2025 | May 21, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Mar 6, 2025 | Mar 6, 2025 |
| 4 | Insider transaction | Mar 6, 2025 | Mar 5, 2025 |
| 144 | Notice of proposed sale | Mar 6, 2025 | — |
| 144 | Notice of proposed sale | Mar 5, 2025 | — |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| 144 | Notice of proposed sale | Feb 28, 2025 | — |
| 144 | Notice of proposed sale | Feb 28, 2025 | — |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 144 | Notice of proposed sale | Feb 24, 2025 | — |
| 144 | Notice of proposed sale | Feb 24, 2025 | — |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 144 | Notice of proposed sale | Feb 20, 2025 | — |
| 144 | Notice of proposed sale | Feb 20, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Feb 19, 2025 | Feb 17, 2025 |
| 144 | Notice of proposed sale | Feb 18, 2025 | — |
| 144 | Notice of proposed sale | Feb 18, 2025 | — |
| 4 | Insider transaction | Feb 6, 2025 | Feb 5, 2025 |
| 10-K | Annual report | Jan 30, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 5, 2024 |
| 144 | Notice of proposed sale | Dec 5, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 13, 2024 | — |
| 4 | Insider transaction | Nov 13, 2024 | Nov 11, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| 144 | Notice of proposed sale | Nov 12, 2024 | — |
| 4 | Insider transaction | Nov 6, 2024 | Nov 5, 2024 |
| 10-Q | Quarterly report | Oct 24, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 24, 2024 | Oct 24, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 22, 2024 | — |
| 4 | Insider transaction | Oct 8, 2024 | Oct 7, 2024 |
| 3 | Initial insider ownership | Oct 2, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 30, 2024 |
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
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All 13 Search, Detection, Navigation, Guidance, Aeronautical Sys companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.