| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/21/02 | DEF 14A | Form DEF 14A: Definitive proxy statements | 24 | |
| 03/20/02 | 10-K405 | Form 10-K405: Annual report [Sections 13 and 15(d), S-K Item 405] | 122 | |
| 03/18/02 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 8 | |
| 02/13/02 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 4 | |
| 02/07/02 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 8 | |
| 01/15/02 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 4 | |
| 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 |