| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/10/18 | SC 13G/A | Form SC 13G/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 9 | |
| 04/06/18 | 8-K | Form 8-K: Current report filing | 3 | |
| 04/02/18 | DEF 14A | Form DEF 14A: Definitive proxy statements | 27 | |
| 03/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/20/18 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 27 | |
| 03/08/18 | SC 13G/A | Form SC 13G/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 5 | |
| 03/07/18 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 154 | |
| 03/07/18 | 8-K | Form 8-K: Current report filing | 5 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |