| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/18/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/17/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/17/17 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 |