NORTHROP GRUMMAN CORP /DE/ — SCHEDULE 13G/A Filings
3 SCHEDULE 13G/A filings on record
This page lists all SCHEDULE 13G/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 3 SCHEDULE 13G/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 |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001945 | Mar 27, 2026 | — |
| SCHEDULE 13G/A | — | 0001562230-25-000110 | Aug 13, 2025 | — |
| SCHEDULE 13G/A | — | 0000932471-25-000585 | Apr 30, 2025 | — |