| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/08/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/05/19 | 8-K | Form 8-K: Current report | 19 | |
| 02/04/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/30/18 | CT ORDER | Form CT ORDER: Confidential treatment order | 2 | |
| 11/29/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/21/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 11/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |