| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/24/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/24/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/25/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/25/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 08/29/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/24/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/22/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 08/22/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/02/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |