| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 06/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 06/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 06/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 06/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 06/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 06/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 05/21/18 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | ||
| 05/17/18 | 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 |