| 3 | Initial filing by director officer or owner of more than ten percent. | Jun 15, 2017 |    |
| 4 | Statement of changes in beneficial ownership of securities | Jun 15, 2017 | |
| 8-K | Report of unscheduled material events or corporate event | Jun 15, 2017 |  |
| 8-K | Report of unscheduled material events or corporate event | Jun 13, 2017 | |
| 8-K | Report of unscheduled material events or corporate event | Jun 9, 2017 | |
| 10-Q | Quarterly report which provides a continuing view of a company's financial position | May 5, 2017 |   |
| 8-K | Report of unscheduled material events or corporate event | May 5, 2017 | |
| 3 | Initial filing by director officer or owner of more than ten percent. | May 4, 2017 | |
| 4 | Statement of changes in beneficial ownership of securities | May 4, 2017 | |
| DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | Apr 28, 2017 | |
| DEFA14A | Additional proxy soliciting materials - definitive | Apr 28, 2017 | |
| SC 13D/A | Amendment to a SC 13D filing | Mar 29, 2017 | |
| 4 | Statement of changes in beneficial ownership of securities | Mar 22, 2017 | |
| 4 | Statement of changes in beneficial ownership of securities | Mar 22, 2017 | |
| 4 | Statement of changes in beneficial ownership of securities | Mar 22, 2017 | |
| 4 | Statement of changes in beneficial ownership of securities | Mar 22, 2017 | |
| 4 | Statement of changes in beneficial ownership of securities | Mar 22, 2017 | |
| 4 | Statement of changes in beneficial ownership of securities | Mar 22, 2017 | |
| 4 | Statement of changes in beneficial ownership of securities | Mar 22, 2017 | |
| 4 | Statement of changes in beneficial ownership of securities | Mar 22, 2017 | |
| 424B5 | Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 | Mar 17, 2017 | |
| 8-K | Report of unscheduled material events or corporate event | Mar 17, 2017 | |
| S-8 | Securities offered to employees pursuant to employee benefit plans | Mar 13, 2017 | |
| 10-K | Annual report which provides a comprehensive overview of the company for the past year | Mar 10, 2017 | |
| 8-K | Report of unscheduled material events or corporate event | Mar 10, 2017 | |
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