| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/02/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/21/18 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/20/18 | 4/A | Statement of changes in beneficial ownership of securities |
|
4 | |
| 02/20/18 | 4/A | Statement of changes in beneficial ownership of securities |
|
4 | |
| 02/20/18 | 4/A | Statement of changes in beneficial ownership of securities |
|
4 | |
| 02/20/18 | 4/A | Statement of changes in beneficial ownership of securities |
|
4 | |
| 01/29/18 | 4 | Statement of changes in beneficial ownership of securities |
|
4 | |
| 01/24/18 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/18/17 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/12/17 | 4 | Statement of changes in beneficial ownership of securities |
|
3 |
