| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/01/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/22/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/19 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/18 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/07/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/04/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |