| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/14/20 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/11/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/04/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 12/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/31/19 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] |
|
49 |
| 10/31/19 | 8-K | Form 8-K: Current report |
|
36 |
| 10/10/19 | 8-K | Form 8-K: Current report |
|
2 |
| 08/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |