| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/21/18 | 8-K | Form 8-K: Current report filing | 17 |
