| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 27, 2021 | Aug 26, 2021 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2021 | May 20, 2021 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2021 | Jun 1, 2021 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2021 | May 18, 2021 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2020 | Nov 13, 2020 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2020 | Jun 1, 2020 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2020 | May 21, 2020 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2019 | Nov 19, 2019 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2019 | Jul 2, 2019 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2019 | Jun 1, 2019 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2019 | May 23, 2019 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2019 | May 18, 2019 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 8, 2019 | Apr 5, 2019 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2019 | Apr 1, 2019 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 15, 2018 | Aug 14, 2018 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2018 | Jun 1, 2018 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2018 | May 16, 2018 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2018 | May 4, 2018 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2018 | May 2, 2018 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 8, 2017 | Nov 6, 2017 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2017 | Aug 16, 2017 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2017 | Jun 1, 2017 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2017 | May 18, 2017 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2017 | May 15, 2017 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2016 | Aug 10, 2016 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 13, 2016 | Jun 9, 2016 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2016 | Jun 1, 2016 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2016 | May 19, 2016 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 9, 2015 | Nov 6, 2015 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 11, 2015 | Jun 9, 2015 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2015 | Jun 1, 2015 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2015 | May 22, 2015 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 6, 2014 | Aug 4, 2014 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 11, 2014 | Jun 9, 2014 | 001-02960 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2014 | May 21, 2014 | 001-02960 |