| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 8, 2022 | Apr 7, 2022 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2022 | Feb 28, 2022 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2022 | Feb 7, 2022 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 27, 2021 | Nov 24, 2021 | 001-03157 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 3, 2021 | Sep 3, 2021 | 001-40718 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2021 | Feb 8, 2021 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2020 | Dec 7, 2020 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2020 | Mar 1, 2020 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2020 | Feb 10, 2020 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 26, 2019 | Jul 26, 2019 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2019 | Feb 11, 2019 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 7, 2018 | Aug 6, 2018 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2018 | Feb 12, 2018 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2017 | Feb 13, 2017 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2017 | Jan 1, 2017 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2016 | Dec 9, 2016 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 15, 2016 | Mar 14, 2016 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2016 | Feb 8, 2016 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2016 | Jan 1, 2016 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2015 | Feb 23, 2015 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2015 | Feb 9, 2015 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Jan 1, 2015 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2014 | Nov 18, 2014 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 12, 2014 | Sep 12, 2014 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 27, 2014 | Aug 26, 2014 | 001-03157 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 13, 2014 | Jun 13, 2014 | 001-36479 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2014 | Feb 10, 2014 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2014 | Jan 1, 2014 | 001-03157 |