| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/22/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 05/20/19 | SC 13D/A | Form SC 13D/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 14 | |
| 05/13/19 | 8-K | Form 8-K: Current report filing | 4 | |
| 04/24/19 | SC 13D/A | Form SC 13D/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 14 | |
| 04/22/19 | 8-K | Form 8-K: Current report filing | 54 | |
| 04/08/19 | SC 13D | Form SC 13D: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 19 | |
| 03/26/19 | SC 13D | Form SC 13D: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 14 | |
| 03/11/19 | 8-K | Form 8-K: Current report filing | 11 |