| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/23/18 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 02/23/18 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 02/23/18 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 02/23/18 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 02/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/14/18 | SC 13G/A | Form SC 13G/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 7 |