| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 02/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 02/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 01/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 |