| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/20/01 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 6 | |
| 02/14/01 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/14/01 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/14/01 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/14/01 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/14/01 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/14/01 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/05/01 | 8-K | Form 8-K: Current report | 2 | |
| 02/05/01 | 8-K | Form 8-K: Current report | 2 | |
| 01/31/01 | SC 13D | Form SC 13D: General Statement of Acquisition of Beneficial Ownership | 5 |
