| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |