| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/15/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/21/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 02/21/18 | 8-K | Form 8-K: Current report | 4 | |
| 02/09/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/08/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
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