| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/20/20 | POSASR | Form POSASR: Post-effective Amendment to an automatic shelf registration statement | 21 | |
| 03/17/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/12/20 | 8-K | Form 8-K: Current report |
|
4 |
| 03/04/20 | 8-K | Form 8-K: Current report |
|
19 |
| 02/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/14/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 2 | |
| 02/12/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/07/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/05/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/03/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
