| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 23, 2022 | May 19, 2022 | 001-09700 | |
| 4 | Open Document | Open Filing | May 28, 2021 | May 28, 2021 | 001-09700 | |
| 4 | Open Document | Open Filing | May 19, 2021 | May 17, 2021 | 001-09700 | |
| 4 | Open Document | Open Filing | Feb 17, 2021 | Feb 16, 2021 | 001-09700 | |
| 4 | Open Document | Open Filing | May 18, 2020 | May 14, 2020 | 001-09700 | |
| 4 | Open Document | Open Filing | May 21, 2019 | May 17, 2019 | 001-09700 | |
| 4 | Open Document | Open Filing | May 21, 2018 | May 17, 2018 | 001-09700 | |
| 4 | Open Document | Open Filing | May 22, 2017 | May 18, 2017 | 001-09700 | |
| 4 | Open Document | Open Filing | May 23, 2016 | May 19, 2016 | 001-09700 | |
| 4 | Open Document | Open Filing | Jan 21, 2016 | Jan 20, 2016 | 001-09700 | |
| 4 | Open Document | Open Filing | Aug 12, 2015 | Aug 12, 2015 | 001-09700 | |
| 4 | Open Document | Open Filing | May 19, 2015 | May 15, 2015 | 001-09700 | |
| 4 | Open Document | Open Filing | Apr 28, 2015 | Apr 24, 2015 | 001-09700 | |
| 3 | Open Document | Open Filing | Feb 3, 2015 | Jan 29, 2015 | 001-09700 |