| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/13/20 | 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 | |
| 02/06/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/05/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/30/20 | 8-K | Form 8-K: Current report |
|
11 |
| 01/29/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/16/20 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 01/02/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/31/19 | 25-NSE | Form 25-NSE: Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities | 2 |