QUANTUM CORP /DE/ — 4/A Filings
23 4/A filings on record
This page lists all 4/A filings submitted to the SEC by QUANTUM CORP /DE/ (QMCO), sorted by most recent first. Each row links to the full filing on EdgarLookup. QUANTUM CORP /DE/ has filed 23 4/A documents with the SEC since 2012. To view all SEC filings by QUANTUM CORP /DE/, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
144
15-12G
25-NSE
3
3/A
4
4/A
424B2
424B3
424B5
425
5
8-A12B
8-A12G
8-K
8-K/A
ARS
AW
CERT
CORRESP
D
DEF 14A
DEF 14C
DEFA14A
DEFC14A
DEFR14A
DFAN14A
EFFECT
NT 10-K
NT 10-Q
POS AM
PRE 14A
PRE 14C
PREC14A
PRER14A
PRRN14A
RW
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13D
SCHEDULE 13D/A
SCHEDULE 13G/A
SD
SD/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4/A | 4/A | 0000950170-25-006916 | Jan 17, 2025 | Nov 8, 2024 |
| 4/A | 4/A | 0000950170-25-006915 | Jan 17, 2025 | Nov 8, 2024 |
| 4/A | 4/A | 0000950170-25-006913 | Jan 17, 2025 | Nov 8, 2024 |
| 4/A | 4/A | 0000950170-25-006910 | Jan 17, 2025 | Nov 8, 2024 |
| 4/A | 4/A | 0000950170-25-006909 | Jan 17, 2025 | Nov 8, 2024 |
| 4/A | FORM 4/A | 0000709283-24-000045 | Nov 19, 2024 | Oct 1, 2024 |
| 4/A | FORM 4/A | 0000709283-24-000044 | Nov 19, 2024 | Oct 1, 2024 |
| 4/A | FORM 4/A | 0000709283-24-000043 | Nov 19, 2024 | Oct 1, 2024 |
| 4/A | FORM 4/A | 0000709283-24-000042 | Nov 19, 2024 | Oct 1, 2024 |
| 4/A | FORM 4/A | 0000709283-24-000041 | Nov 19, 2024 | Oct 1, 2024 |
| 4/A | FORM 4/A | 0000709283-24-000040 | Nov 19, 2024 | Oct 1, 2024 |
| 4/A | FORM 4/A | 0000709283-24-000039 | Nov 19, 2024 | Oct 1, 2024 |
| 4/A | FORM 4/A | 0000709283-24-000038 | Nov 19, 2024 | Oct 1, 2024 |
| 4/A | FORM 4/A | 0000709283-22-000029 | Jul 8, 2022 | Jul 1, 2022 |
| 4/A | FORM 4/A | 0000709283-22-000015 | May 17, 2022 | Apr 22, 2022 |
| 4/A | FORM 4/A | 0000709283-21-000073 | Nov 3, 2021 | Nov 1, 2021 |
| 4/A | FORM 4/A | 0000709283-21-000048 | Aug 17, 2021 | Aug 12, 2021 |
| 4/A | FORM 4/A | 0001628280-20-003825 | Mar 19, 2020 | — |
| 4/A | FORM 4/A SUBMISSION | 0000899243-19-029339 | Dec 16, 2019 | Sep 5, 2019 |
| 4/A | FORM 4/A SUBMISSION | 0000899243-19-029337 | Dec 16, 2019 | Sep 5, 2019 |
| 4/A | PRIMARY DOCUMENT | 0000709283-04-000109 | Oct 29, 2004 | — |
| 4/A | PRIMARY DOCUMENT | 0000709283-04-000105 | Oct 1, 2004 | — |
| 4/A | PRIMARY DOCUMENT | 0000709283-04-000025 | Feb 23, 2004 | Jan 23, 2004 |