| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/20 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 02/25/20 | 8-K | Form 8-K: Current report |
|
8 |
| 02/14/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 7 | |
| 02/12/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/12/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/10/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/10/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |