| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/25/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/18/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/11/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/18/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/15/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/26/18 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/16/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/16/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
