| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/14/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 6 | |
| 02/14/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 9 | |
| 02/14/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 11 | |
| 02/14/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 11 | |
| 02/14/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 11 | |
| 02/14/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 11 | |
| 02/14/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 11 | |
| 02/14/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 12 | |
| 02/14/18 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/13/18 | 8-K | Form 8-K: Current report | 11 |