| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/12/98 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 01/12/98 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 01/12/98 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/10/97 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 10/10/97 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 07/22/97 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 06/19/97 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 06/19/97 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 05/09/97 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/10/97 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 4 |