| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/05/01 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/16/01 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 04/09/01 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/08/01 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 01/10/01 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 08/07/00 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/11/00 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 07/15/97 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 07/15/97 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 09/10/96 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |