NORTHROP GRUMMAN CORP /DE/ — SC 13D/A Filings
12 SC 13D/A filings on record
This page lists all SC 13D/A filings submitted to the SEC by NORTHROP GRUMMAN CORP /DE/ (NOC), sorted by most recent first. Each row links to the full filing on EdgarLookup. NORTHROP GRUMMAN CORP /DE/ has filed 12 SC 13D/A documents with the SEC since 2017. To view all SEC filings by NORTHROP GRUMMAN CORP /DE/, see the full filings list.
All
10-K
10-K405
10-Q
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
DEFC14A
DFAN14A
EFFECT
FWP
NO ACT
POS AM
POSASR
PRE 14A
PREC14A
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 |
|---|---|---|---|---|
| SC 13D/A | SCHEDULE 13D AMENDMENT NO.10 | 0001193125-05-239898 | Dec 9, 2005 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 9 | 0001193125-05-229263 | Nov 18, 2005 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO.8 | 0001193125-05-183325 | Sep 12, 2005 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 7 | 0001193125-05-179800 | Sep 2, 2005 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO.6 | 0001193125-05-177403 | Aug 30, 2005 | — |
| SC 13D/A | SCHEDULE 13D/A | 0001193125-05-171581 | Aug 19, 2005 | — |
| SC 13D/A | AMENDMENT #4 TO SCHEDULE 13D | 0001193125-05-145256 | Jul 20, 2005 | — |
| SC 13D/A | AMENDMENT #3 TO SCHEDULE 13D | 0001193125-05-143322 | Jul 18, 2005 | — |
| SC 13D/A | AMENDMENT # 2 TO SCHEDULE 13D | 0001193125-05-142339 | Jul 14, 2005 | — |
| SC 13D/A | AMENDMENT #1 TO SCHEDULE 13D | 0001193125-05-063197 | Mar 29, 2005 | — |
| SC 13D/A | — | 0000895345-02-000031 | Jan 18, 2002 | — |
| SC 13D/A | SCHEDULE 13D/A AMENDMENT NO. 1 | 0000898430-01-500093 | Apr 12, 2001 | — |