| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 5, 2023 | Apr 6, 2023 | 001-04858 | |
| 4 | Open Document | Open Filing | May 8, 2020 | May 6, 2020 | 001-04858 | |
| 4 | Open Document | Open Filing | Apr 7, 2020 | Apr 3, 2020 | 001-04858 | |
| 4 | Open Document | Open Filing | Mar 18, 2020 | Mar 16, 2020 | 001-04858 | |
| 4 | Open Document | Open Filing | Jun 5, 2019 | Jun 3, 2019 | 001-04858 | |
| 4 | Open Document | Open Filing | May 3, 2019 | May 1, 2019 | 001-04858 | |
| 4 | Open Document | Open Filing | Mar 19, 2019 | Mar 15, 2019 | 001-04858 | |
| 4 | Open Document | Open Filing | May 4, 2018 | May 2, 2018 | 001-04858 | |
| 4 | Open Document | Open Filing | Mar 19, 2018 | Mar 15, 2018 | 001-04858 | |
| 4 | Open Document | Open Filing | May 5, 2017 | May 3, 2017 | 001-04858 | |
| 4 | Open Document | Open Filing | Mar 16, 2017 | Mar 15, 2017 | 001-04858 | |
| 4 | Open Document | Open Filing | Jul 5, 2016 | Jul 1, 2016 | 001-04858 | |
| 3 | Open Document | Open Filing | Jun 28, 2016 | Jun 20, 2016 | 001-04858 |