| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/19/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/19/20 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 11/15/19 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/15/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/23/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/18/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/29/19 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/29/19 | 4/A | Statement of changes in beneficial ownership of securities |
|
1 | |
| 07/03/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/03/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |