NOC · CIK 0001133421
NORTHROP GRUMMAN CORP /DE/ (NOC) SEC Filings
Browse 3202 SEC filings for NORTHROP GRUMMAN CORP /DE/, covering Feb 1, 2001 through Jul 1, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
3,202
Filed in the last 12 months
92
History covered
2001–2026
Latest filing
4
Latest important filings
Jump directly to the most recent annual, quarterly, and current reports.
Latest annual report
10-K
Annual report · Jan 27, 2026
Open original filingLatest quarterly report
10-Q
Quarterly report · Apr 21, 2026
Open original filingLatest company update
8-K
Shareholder vote · May 21, 2026
Open original filingComplete filing history
Search by form or description, filter by purpose and year, and open the original SEC document.
50 filings
All categories
Search by form or description, filter by purpose and year, and open the original SEC document.
| Form | Description | Period ended | Filed |
|---|---|---|---|
| 4 | Change in insider ownership | Jun 30, 2026 | Jul 1, 2026 |
| 4 | Change in insider ownership | Jun 30, 2026 | Jul 1, 2026 |
| 11-K/A Amended | 11-K/A (AMENDMENT NO. 1) | Dec 31, 2025 | Jun 11, 2026 |
| 11-K/A Amended | 11-K/A (AMENDMENT NO. 1) | Dec 31, 2025 | Jun 11, 2026 |
| 11-K | FORM 11-K - FSSP | Dec 31, 2025 | Jun 11, 2026 |
| 11-K | FORM 11-K - NGSP | Dec 31, 2025 | Jun 11, 2026 |
| SD | Specialized disclosure report | — | May 28, 2026 |
| 8-K | Shareholder vote | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| SCHEDULE 13G/A Amended | SCHEDULE 13G filing | — | May 14, 2026 |
| DEFA14A | Additional proxy materials | — | May 13, 2026 |
| 4 | Change in insider ownership | May 4, 2026 | May 5, 2026 |
| 144 | Notice of proposed securities sale | — | May 4, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 30, 2026 |
| S-3ASR | S-3ASR filing | — | Apr 21, 2026 |
| 10-Q | Quarterly report | Mar 31, 2026 | Apr 21, 2026 |
Page 1 of 2
Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
76 filings
2025
96 filings
2024
99 filings
2023
111 filings
2022
103 filings
2021
110 filings
2020
101 filings
2019
106 filings
Sources and methodology
How this filing index is assembled and checked.
Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.
Index updated: 7/15/2026
For research and education only. Always review the original SEC filing before making a decision.