| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/11/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 | |
| 11/21/18 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 2 | |
| 11/21/18 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 2 | |
| 11/21/18 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 2 | |
| 11/21/18 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 2 | |
| 07/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 |