| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/28/21 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 07/27/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 05/17/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 05/11/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/07/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/06/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/06/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 01/23/15 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 08/20/13 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 | |
| 08/07/13 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 1 |