| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/09/18 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 10 | |
| 03/02/18 | 8-K | Form 8-K: Current report | 3 | |
| 03/01/18 | UPLOAD | Form UPLOAD: SEC-generated letter | 1 | |
| 02/20/18 | CORRESP | Form CORRESP: Correspondence | 9 | |
| 02/13/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/12/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 |