QUANTUM CORP /DE/ — SC TO-I/A Filings
9 SC TO-I/A filings on record
This page lists all SC TO-I/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 9 SC TO-I/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 |
|---|---|---|---|---|
| SC TO-I/A | AMENDMENT NO. 6 TO ISSUER TENDER OFFER | 0001193125-09-125303 | Jun 4, 2009 | — |
| SC TO-I/A | AMENDMENT NO. 5 TO ISSUER TENDER OFFER | 0001193125-09-122468 | Jun 1, 2009 | — |
| SC TO-I/A | AMENDMENT NO. 4 TO ISSUER TENDER OFFER | 0001193125-09-120237 | May 28, 2009 | — |
| SC TO-I/A | AMENDMENT NO. 3 TO ISSUER TENDER OFFER | 0001193125-09-109797 | May 13, 2009 | — |
| SC TO-I/A | AMENDMENT NO. 2 TO ISSUER TENDER OFFER | 0001193125-09-090064 | Apr 28, 2009 | — |
| SC TO-I/A | AMENDMENT NO. 1 TO ISSUER TENDER OFFER | 0001193125-09-081773 | Apr 17, 2009 | — |
| SC TO-I/A | AMENDMENT NO. 3 TO SC TO-I/A | 0001012870-01-501479 | Aug 6, 2001 | — |
| SC TO-I/A | AMENDMENT NO. 2 TO THE SCHEDULE TO | 0001021408-01-503338 | Jul 12, 2001 | — |
| SC TO-I/A | AMENDMENT NO. 1 TO SC TO-I | 0001012870-01-501303 | Jun 22, 2001 | — |