|
Form
|
|
(Filer)
|
Received
(
Period
)
|
| SC 13D/A |
 |
QUANTUM CORP /DE/ (STARBOARD VALUE LP) |
05/15/13 |
| 8-K |
|
QUANTUM CORP /DE/ |
05/14/13 (05/13/13) |
| 8-K |
|
QUANTUM CORP /DE/ |
05/08/13 (05/08/13) |
| 4 |
|
QUANTUM CORP /DE/(MITCHELL MARK R) |
04/08/13 (04/04/13) |
| 4 |
|
QUANTUM CORP /DE/(MITCHELL MARK R) |
04/03/13 (04/01/13) |
| 4 |
|
QUANTUM CORP /DE/(GACEK JON W) |
04/02/13 (04/01/13) |
| 4 |
|
QUANTUM CORP /DE/(CLARK ROBERT S.) |
04/02/13 (04/01/13) |
| 4 |
|
QUANTUM CORP /DE/(MITCHELL MARK R) |
03/15/13 (03/13/13) |
| SC 13D/A |
|
QUANTUM CORP /DE/(STARBOARD VALUE LP) |
03/15/13 |
| 10-K/A |
|
QUANTUM CORP /DE/ |
03/08/13 (03/31/12) |
| 10-Q/A |
|
QUANTUM CORP /DE/ |
02/15/13 (09/30/12) |
| SC 13G/A |
|
QUANTUM CORP /DE/(PRIVATE CAPITAL MANAGEMENT) |
02/15/13 |
| SC 13G/A |
|
QUANTUM CORP /DE/(FMR LLC) |
02/14/13 |
| SC 13G/A |
|
QUANTUM CORP /DE/(AMICI CAPITAL, LLC) |
02/14/13 |
| SC 13G/A |
|
QUANTUM CORP /DE/(WELLINGTON MANAGEMENT CO LLP) |
02/14/13 |
| SC 13G |
|
QUANTUM CORP /DE/(VANGUARD GROUP INC) |
02/13/13 |
| 10-Q |
|
QUANTUM CORP /DE/ |
02/08/13 (12/31/12) |
| 4 |
|
QUANTUM CORP /DE/(BRITTS WILLIAM C) |
02/06/13 (02/05/13) |
| 4 |
|
QUANTUM CORP /DE/(HALL SHAWN D) |
02/06/13 (02/05/13) |
| 4 |
|
QUANTUM CORP /DE/(STINSON THEODORE A.) |
02/06/13 (02/05/13) |