| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/22/02 | Statement of changes in beneficial ownership of securities | 3 | |||
| 10/22/01 | Statement of changes in beneficial ownership of securities | 3 | |||
| 09/28/01 | Statement of changes in beneficial ownership of securities | 4 | |||
| 09/07/01 | Statement of changes in beneficial ownership of securities | 3 | |||
| 08/27/01 | Statement of changes in beneficial ownership of securities | 3 | |||
| 08/15/01 | Statement of changes in beneficial ownership of securities | 3 | |||
| 08/15/01 | Statement of changes in beneficial ownership of securities | 3 | |||
| 04/27/00 | Statement of changes in beneficial ownership of securities | 2 | |||
| 04/27/00 | Statement of changes in beneficial ownership of securities | 2 | |||
| 08/23/99 | Statement of changes in beneficial ownership of securities | 2 |