| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/14/19 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 1 | |
| 02/14/19 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 1 | |
| 01/07/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 01/07/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 11/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/17/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 | |
| 08/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |