| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2021 | Aug 10, 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2021 | Jul 20, 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2021 | Jul 9, 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2021 | Jun 15, 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2021 | May 5, 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 19, 2021 | Apr 15, 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 12, 2021 | Apr 8, 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2021 | Feb 21, 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2021 | Feb 9, 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 19, 2021 | Jan 15, 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 14, 2021 | Jan 12, 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2020 | Nov 10, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 19, 2020 | Oct 15, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 14, 2020 | Oct 12, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 10, 2020 | Aug 6, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2020 | Apr 15, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 17, 2020 | Jul 15, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2020 | Jul 9, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2020 | May 6, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2020 | Apr 15, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 9, 2020 | Apr 7, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2020 | Feb 25, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2020 | Feb 6, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2020 | Jan 15, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2020 | Jan 14, 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 22, 2019 | Nov 20, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2019 | Nov 7, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 8, 2019 | Nov 7, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 17, 2019 | Oct 15, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 10, 2019 | Oct 8, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2019 | Aug 8, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 17, 2019 | Jul 15, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2019 | Jul 9, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2019 | May 8, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2019 | Apr 15, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 10, 2019 | Apr 8, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2019 | Feb 13, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2019 | Feb 11, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2019 | Jan 15, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 15, 2019 | Jan 11, 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2018 | Nov 8, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 17, 2018 | Oct 15, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2018 | Oct 12, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 16, 2018 | Aug 14, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 18, 2018 | Jul 16, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2018 | Jul 11, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2018 | May 29, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2018 | Apr 6, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 18, 2018 | Apr 16, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2018 | Mar 2, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2018 | Feb 22, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2018 | Feb 20, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2018 | Feb 16, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2018 | Feb 9, 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 20, 2017 | Dec 18, 2017 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2017 | Nov 9, 2017 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2017 | Mar 2, 2017 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2016 | Nov 14, 2016 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 14, 2016 | Nov 9, 2016 | 001-16503 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 7, 2016 | Oct 27, 2016 | 001-16503 |