NORTHROP GRUMMAN CORP /DE/ — SD Filings
12 SD filings on record
This page lists all SD 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 SD 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 |
|---|---|---|---|---|
| SD | SD | 0001133421-25-000031 | May 16, 2025 | — |
| SD | SD | 0001133421-24-000043 | May 24, 2024 | — |
| SD | SD | 0001628280-23-019227 | May 22, 2023 | — |
| SD | SD | 0001133421-22-000023 | May 23, 2022 | — |
| SD | SD | 0001133421-21-000040 | May 24, 2021 | — |
| SD | SD | 0001133421-20-000029 | May 26, 2020 | — |
| SD | FORM SD | 0001133421-19-000031 | May 20, 2019 | — |
| SD | FORM SD | 0001133421-18-000020 | May 25, 2018 | — |
| SD | FORM SD | 0001133421-17-000027 | May 31, 2017 | — |
| SD | SD | 0001133421-16-000089 | May 26, 2016 | — |
| SD | SD | 0001133421-15-000034 | May 29, 2015 | — |
| SD | SD | 0001133421-14-000036 | Jun 2, 2014 | — |