NORTHROP GRUMMAN CORP /DE/ (NOC) Form 8-K Material Events
NORTHROP GRUMMAN CORP /DE/ (NOC) is a publicly traded company on the NYSE, categorized under SIC 3812 (Search, Detection, Navigation, Guidance, Aeronautical Sys). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: NOC
CIK: 1133421
Exchange: NYSE
SIC 3812: Search, Detection, Navigation, Guidance, Aeronautical Sys
Fiscal Year End: 12/31
Independent PCAOB Auditor
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Audit Firm
Deloitte & Touche LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerWendy Savage
Audit LocationMcLean, Virginia, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-10-01 | 2026-09-30 | FORM 4 | 0001628280-26-064144 | View SEC Doc Filr Page |
| 4 | 2026-10-01 | 2026-09-30 | FORM 4 | 0001628280-26-064142 | View SEC Doc Filr Page |
| 4 | 2026-08-21 | 2026-08-19 | FORM 4 | 0001628280-26-058482 | View SEC Doc Filr Page |
| 8-K | 2026-08-21 | 2026-08-19 | 8-K | 0001628280-26-058480 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-12 | — | SCHEDULE 13G/A Filing | 0001562230-26-000127 | View SEC Doc Filr Page |
| 4 | 2026-08-04 | 2026-08-03 | FORM 4 | 0001628280-26-052370 | View SEC Doc Filr Page |
| 144 | 2026-07-24 | — | 144 Filing | 0001628280-26-049655 | View SEC Doc Filr Page |
| 10-Q | 2026-07-21 | 2026-06-30 | 10-Q | 0001133421-26-000034 | View SEC Doc Filr Page |
| 8-K | 2026-07-21 | 2026-07-21 | 8-K | 0001133421-26-000033 | View SEC Doc Filr Page |
| 4 | 2026-07-01 | 2026-06-30 | FORM 4 | 0001628280-26-046450 | View SEC Doc Filr Page |
| 4 | 2026-07-01 | 2026-06-30 | FORM 4 | 0001628280-26-046449 | View SEC Doc Filr Page |
| 11-K/A | 2026-06-11 | 2025-12-31 | 11-K/A (AMENDMENT NO. 1) | 0001133421-26-000032 | View SEC Doc Filr Page |
| 11-K/A | 2026-06-11 | 2025-12-31 | 11-K/A (AMENDMENT NO. 1) | 0001133421-26-000030 | View SEC Doc Filr Page |
| 11-K | 2026-06-11 | 2025-12-31 | FORM 11-K - FSSP | 0001133421-26-000027 | View SEC Doc Filr Page |
| 11-K | 2026-06-11 | 2025-12-31 | FORM 11-K - NGSP | 0001133421-26-000025 | View SEC Doc Filr Page |
| SD | 2026-05-28 | — | SD | 0001133421-26-000022 | View SEC Doc Filr Page |
| 8-K | 2026-05-21 | 2026-05-20 | 8-K | 0001628280-26-037375 | View SEC Doc Filr Page |
| 4 | 2026-05-21 | 2026-05-20 | FORM 4 | 0001628280-26-037211 | View SEC Doc Filr Page |
| 4 | 2026-05-21 | 2026-05-20 | FORM 4 | 0001628280-26-037209 | View SEC Doc Filr Page |
| 4 | 2026-05-21 | 2026-05-20 | FORM 4 | 0001628280-26-037207 | View SEC Doc Filr Page |
| 4 | 2026-05-21 | 2026-05-20 | FORM 4 | 0001628280-26-037205 | View SEC Doc Filr Page |
| 4 | 2026-05-21 | 2026-05-20 | FORM 4 | 0001628280-26-037203 | View SEC Doc Filr Page |
| 4 | 2026-05-21 | 2026-05-20 | FORM 4 | 0001628280-26-037201 | View SEC Doc Filr Page |
| 4 | 2026-05-21 | 2026-05-20 | FORM 4 | 0001628280-26-037199 | View SEC Doc Filr Page |
| 4 | 2026-05-21 | 2026-05-20 | FORM 4 | 0001628280-26-037197 | View SEC Doc Filr Page |