QUANTUM CORP /DE/ — SC 13G Filings
56 SC 13G filings on record
This page lists all SC 13G 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 56 SC 13G 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 |
|---|---|---|---|---|
| SC 13G | QUANTUM CORP. | 0000950128-00-000199 | Jan 31, 2000 | — |
| SC 13G | SCHEDULE 13-G | 0000950109-98-001051 | Feb 17, 1998 | — |
| SC 13G | — | 0000732812-98-000183 | Feb 11, 1998 | — |
| SC 13G | — | 0000889812-98-000257 | Feb 4, 1998 | — |
| SC 13G | SCHEDULE 13G -6-10-96 - QUANTUM CORPORATION | 0000315066-96-001694 | Jun 10, 1996 | — |
| SC 13G | NOVEMBER 94 13G | 0000068100-94-000437 | Dec 9, 1994 | — |