| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | Apr 19, 2022 | Apr 18, 2022 | 814-01474 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 11, 2021 | Jun 8, 2021 | 001-40467 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 8, 2020 | Jun 5, 2020 | 814-01175 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 3, 2020 | Mar 3, 2020 | 814-01175 |
| 4 | Open Document | Open Filing | FORM 4 - | Jul 18, 2018 | Jul 17, 2018 | 814-01175 |
| 4 | Open Document | Open Filing | FORM 4 - | Apr 18, 2018 | Apr 17, 2018 | 814-01175 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 18, 2018 | Jan 17, 2018 | 814-01175 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2017 | Feb 27, 2017 | 001-14092 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2017 | Feb 27, 2017 | 001-14092 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Feb 17, 2017 | Feb 15, 2017 | 814-01175 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 17, 2017 | Feb 15, 2017 | 814-01175 |
| 3 | Open Document | Open Filing | FORM 3 - | Sep 19, 2016 | Sep 19, 2016 | 000-55528 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2016 | May 25, 2016 | 001-14092 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2015 | May 27, 2015 | 001-14092 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2014 | Jun 4, 2014 | 001-14092 |
| 4/A | Open Document | Open Filing | 4/A | May 30, 2014 | May 28, 2014 | 001-35865 |
| 4 | Open Document | Open Filing | 4 | May 29, 2014 | May 28, 2014 | 001-35865 |