| S-8 | Securities offered to employees pursuant to employee benefit plans | Jun 4, 2019 |     |
| SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | Jun 3, 2019 | |
| 4 | Statement of changes in beneficial ownership of securities | May 20, 2019 | |
| 4 | Statement of changes in beneficial ownership of securities | May 20, 2019 | |
| 4 | Statement of changes in beneficial ownership of securities | May 20, 2019 | |
| 4 | Statement of changes in beneficial ownership of securities | May 20, 2019 | |
| 4 | Statement of changes in beneficial ownership of securities | May 20, 2019 | |
| 4 | Statement of changes in beneficial ownership of securities | May 20, 2019 | |
| 4 | Statement of changes in beneficial ownership of securities | May 20, 2019 | |
| 4 | Statement of changes in beneficial ownership of securities | May 20, 2019 | |
| 8-K | Report of unscheduled material events or corporate event | May 16, 2019 | |
| 10-Q | Quarterly report which provides a continuing view of a company's financial position | May 15, 2019 |   |
| 8-K | Report of unscheduled material events or corporate event | May 15, 2019 | |
| SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | Apr 17, 2019 | |
| 8-K | Report of unscheduled material events or corporate event | Apr 15, 2019 | |
| SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | Apr 15, 2019 | |
| EFFECT | Notice from the SEC of registration effectiveness | Apr 10, 2019 | |
| 8-K | Report of unscheduled material events or corporate event | Apr 9, 2019 | |
| 424B4 | Form of prospectus disclosing information facts events covered in both forms 424B1 424B3 | Apr 5, 2019 | |
| 8-K | Report of unscheduled material events or corporate event | Apr 4, 2019 | |
| EFFECT | Notice from the SEC of registration effectiveness | Apr 3, 2019 | |
| S-1MEF | Registration of up to an additional 20% of securities for any offering registered on an S-1 | Apr 3, 2019 | |
| S-1 | Registration statement for face-amount certificate companies | Apr 1, 2019 | |
| S-1/A | Amended Registration statement for face-amount certificate companies | Apr 1, 2019 | |
| 8-K | Report of unscheduled material events or corporate event | Apr 1, 2019 | |
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