| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 2, 2022 | Aug 31, 2022 | 001-34761 | |
| 4 | Open Document | Open Filing | Jun 17, 2021 | Jun 16, 2021 | 001-34761 | |
| 4 | Open Document | Open Filing | Jun 19, 2020 | Jun 18, 2020 | 001-34761 | |
| 4 | Open Document | Open Filing | Jun 21, 2019 | Jun 20, 2019 | 001-34761 | |
| 4 | Open Document | Open Filing | Jun 25, 2018 | Jun 21, 2018 | 001-34761 | |
| 4 | Open Document | Open Filing | Jun 26, 2017 | Jun 22, 2017 | 001-34761 | |
| 4 | Open Document | Open Filing | May 24, 2017 | May 23, 2017 | 001-34761 | |
| 4 | Open Document | Open Filing | Jun 21, 2016 | Jun 20, 2016 | 001-34761 | |
| 4 | Open Document | Open Filing | Jun 19, 2015 | Jun 18, 2015 | 001-34761 | |
| 4 | Open Document | Open Filing | Nov 19, 2014 | Nov 18, 2014 | 001-34761 | |
| 4 | Open Document | Open Filing | Sep 17, 2014 | Sep 16, 2014 | 001-34761 |