| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 4 | |
| 03/29/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 03/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 4 | |
| 03/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 03/26/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 03/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 03/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 03/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 4 | |
| 03/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 03/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 4 |