| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/15/02 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 6 | |
| 01/07/02 | 25 | Form 25: Notification of the removal from listing and registration of matured, redeemed or retired securities | 1 | |
| 12/11/01 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 12/10/01 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 11/14/01 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 10 | |
| 10/30/01 | SC TO-I/A | Form SC TO-I/A: Tender offer statement by Issuer | 7 | |
| 10/24/01 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 6 | |
| 10/09/01 | SC TO-I/A | Form SC TO-I/A: Tender offer statement by Issuer | 4 | |
| 10/04/01 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 18 | |
| 09/10/01 | SC TO-I | Form SC TO-I: Tender offer statement by Issuer | 44 |