NORTHROP GRUMMAN CORP /DE/ — All Filings
1,002 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-K405
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11-K
11-K/A
144
25
25-NSE
3
3/A
4
4/A
424B2
424B3
424B5
425
5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
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PREM14C
PREN14A
PRRN14A
PX14A6G
S-3
S-3ASR
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-T
SC TO-T/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001945 | Mar 27, 2026 | — |
| 4 | FORM 4 | 0001628280-26-013772 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | FORM 4 | 0001628280-26-013201 | Mar 2, 2026 | Feb 27, 2026 |
| 144 | — | 0001959173-26-001643 | Mar 2, 2026 | — |
| 144 | — | 0001959173-26-001573 | Feb 27, 2026 | — |
| 4 | FORM 4 | 0001628280-26-010367 | Feb 20, 2026 | Feb 19, 2026 |
| 4 | FORM 4 | 0001628280-26-010267 | Feb 20, 2026 | Feb 19, 2026 |
| 4 | FORM 4 | 0001628280-26-010262 | Feb 20, 2026 | Feb 19, 2026 |
| 4 | FORM 4 | 0001628280-26-009855 | Feb 19, 2026 | Feb 12, 2026 |
| 3 | FORM 3 | 0001628280-26-009839 | Feb 19, 2026 | Feb 12, 2026 |
| 4 | FORM 4 | 0001628280-26-009800 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | FORM 4 | 0001628280-26-009796 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | FORM 4 | 0001628280-26-009792 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | FORM 4 | 0001628280-26-009789 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | FORM 4 | 0001628280-26-009786 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | FORM 4 | 0001628280-26-009782 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | FORM 4 | 0001628280-26-009778 | Feb 19, 2026 | Feb 17, 2026 |
| 144 | — | 0001959173-26-001226 | Feb 19, 2026 | — |
| 144 | — | 0001959173-26-001199 | Feb 19, 2026 | — |
| 144 | — | 0001959173-26-001189 | Feb 19, 2026 | — |
| 144 | — | 0001959173-26-001173 | Feb 18, 2026 | — |
| 4 | FORM 4 | 0001628280-26-008569 | Feb 17, 2026 | Feb 13, 2026 |
| 144 | — | 0001959173-26-001031 | Feb 17, 2026 | — |
| 144 | — | 0001959173-26-001026 | Feb 17, 2026 | — |
| 144 | — | 0001959173-26-001015 | Feb 17, 2026 | — |
| 8-K | 8-K | 0001628280-26-008140 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | FORM 4 | 0001628280-26-008132 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | FORM 4 | 0001628280-26-008130 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | FORM 4 | 0001628280-26-008127 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | FORM 4 | 0001628280-26-008125 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | FORM 4 | 0001628280-26-008122 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | FORM 4 | 0001628280-26-008120 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | FORM 4 | 0001628280-26-008117 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | FORM 4 | 0001628280-26-008111 | Feb 13, 2026 | Feb 11, 2026 |
| 144 | — | 0001959173-26-000959 | Feb 13, 2026 | — |
| 4 | FORM 4 | 0001628280-26-006816 | Feb 10, 2026 | Feb 6, 2026 |
| 144 | — | 0001959173-26-000729 | Feb 6, 2026 | — |
| 4 | FORM 4 | 0001628280-26-004922 | Feb 3, 2026 | Feb 2, 2026 |
| 10-K | 10-K | 0001133421-26-000003 | Jan 27, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001133421-26-000002 | Jan 27, 2026 | — |
| 3 | FORM 3 | 0001628280-26-001811 | Jan 12, 2026 | Jan 7, 2026 |
| 4 | FORM 4 | 0001628280-26-001192 | Jan 7, 2026 | Jan 5, 2026 |
| 144 | — | 0001959173-26-000135 | Jan 6, 2026 | — |
| 4 | FORM 4 | 0001628280-26-000388 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | FORM 4 | 0001628280-26-000385 | Jan 5, 2026 | Dec 31, 2025 |
| 144 | — | 0001959173-26-000079 | Jan 5, 2026 | — |
| 4 | FORM 4 | 0001628280-25-056438 | Dec 11, 2025 | Dec 9, 2025 |
| 144 | — | 0001959173-25-007578 | Dec 9, 2025 | — |
| 4 | FORM 4 | 0001628280-25-055942 | Dec 8, 2025 | Dec 5, 2025 |
| 4 | FORM 4 | 0001628280-25-053935 | Nov 25, 2025 | Nov 24, 2025 |