| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/25/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/25/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/19/18 | 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 | |
| 04/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/18 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |