| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/20/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/17/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/17/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/17/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/17/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/17/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/17/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/09/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/25/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/23/20 | S-3 | Form S-3: Registration statement under Securities Act of 1933 | 63 |
