| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/15/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/28/18 | 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 | |
| 02/21/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 02/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/09/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |