| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/14/20 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 01/14/20 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 01/14/20 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 09/18/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/17/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/17/19 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 09/13/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/09/12 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 01/25/12 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 09/22/11 | 3 | Initial statement of beneficial ownership of securities |
|
1 |
