| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/21/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/07/19 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 1 | |
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/26/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |