| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2025 | May 12, 2025 | 001-14445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2024 | May 6, 2024 | 001-14445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2023 | May 8, 2023 | 001-14445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2022 | May 9, 2022 | 001-14445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2021 | May 9, 2021 | 001-14445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2021 | Mar 2, 2021 | 001-14445 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 25, 2021 | Dec 31, 2020 | 001-14445 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 5, 2020 | May 14, 2020 | 001-14445 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2020 | May 15, 2020 | 001-14445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2020 | May 14, 2020 | 001-14445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2019 | May 17, 2019 | 001-14445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2019 | May 13, 2019 | 001-14445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2019 | Mar 4, 2019 | 001-14445 |
| 4 | Open Document | Open Filing | Jan 3, 2019 | Jan 1, 2019 | 001-08809 | |
| 4 | Open Document | Open Filing | Oct 16, 2018 | Oct 12, 2018 | 001-08809 | |
| 4 | Open Document | Open Filing | Jul 17, 2018 | Jul 13, 2018 | 001-08809 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2018 | May 7, 2018 | 001-14445 |
| 4 | Open Document | Open Filing | Apr 17, 2018 | Apr 13, 2018 | 001-08809 | |
| 4 | Open Document | Open Filing | Jan 17, 2018 | Jan 12, 2018 | 001-08809 | |
| 4 | Open Document | Open Filing | Oct 17, 2017 | Oct 13, 2017 | 001-08809 | |
| 4 | Open Document | Open Filing | Jul 18, 2017 | Jul 14, 2017 | 001-08809 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2017 | May 8, 2017 | 001-14445 |
| 4 | Open Document | Open Filing | Apr 19, 2017 | Apr 17, 2017 | 001-08809 | |
| 4 | Open Document | Open Filing | Jan 18, 2017 | Jan 13, 2017 | 001-08809 | |
| 4 | Open Document | Open Filing | Oct 18, 2016 | Oct 14, 2016 | 001-08809 | |
| 4 | Open Document | Open Filing | Aug 22, 2016 | Aug 19, 2016 | 001-08809 | |
| 4 | Open Document | Open Filing | Jul 15, 2016 | Jul 14, 2016 | 001-08809 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2016 | May 9, 2016 | 001-14445 |
| 4 | Open Document | Open Filing | Apr 15, 2016 | Apr 14, 2016 | 001-08809 | |
| 4 | Open Document | Open Filing | Jan 15, 2016 | Jan 14, 2016 | 001-08809 | |
| 4 | Open Document | Open Filing | Oct 9, 2015 | Oct 8, 2015 | 001-08809 | |
| 4/A | Open Document | Open Filing | Jul 17, 2015 | Apr 16, 2015 | 001-08809 | |
| 4 | Open Document | Open Filing | Jul 17, 2015 | Jul 16, 2015 | 001-08809 | |
| 4 | Open Document | Open Filing | Jul 10, 2015 | Jul 9, 2015 | 001-08809 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2015 | May 11, 2015 | 001-14445 |
| 4 | Open Document | Open Filing | Apr 17, 2015 | Apr 16, 2015 | 001-08809 | |
| 4 | Open Document | Open Filing | Jan 9, 2015 | Jan 8, 2015 | 001-08809 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2014 | Dec 19, 2014 | 001-14445 |
| 4 | Open Document | Open Filing | Oct 7, 2014 | Oct 3, 2014 | 001-08809 | |
| 4 | Open Document | Open Filing | Aug 20, 2014 | Aug 18, 2014 | 001-08809 | |
| 4 | Open Document | Open Filing | Jul 3, 2014 | Jul 1, 2014 | 001-08809 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2014 | May 12, 2014 | 001-14445 |
| 4 | Open Document | Open Filing | Apr 7, 2014 | Apr 3, 2014 | 001-08809 | |
| 4 | Open Document | Open Filing | Jan 8, 2014 | Jan 7, 2014 | 001-08809 |