| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2024 | May 22, 2024 | 000-31127 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2024 | Mar 15, 2024 | 000-31127 |
| 144 | Open Document | Open Filing | Mar 15, 2024 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2024 | Mar 5, 2024 | 000-31127 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2023 | Jun 15, 2023 | 000-31127 |
| 144 | Open Document | Open Filing | Jun 15, 2023 | |||
| 144 | Open Document | Open Filing | Jun 15, 2023 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2023 | Mar 1, 2023 | 000-31127 |
| 4 | Open Document | Open Filing | Mar 3, 2022 | Mar 1, 2022 | 000-31127 | |
| 4 | Open Document | Open Filing | Aug 30, 2021 | Aug 26, 2021 | 000-31127 | |
| 4 | Open Document | Open Filing | Mar 3, 2021 | Mar 2, 2021 | 000-31127 | |
| 4 | Open Document | Open Filing | Jun 3, 2020 | Jun 1, 2020 | 000-31127 | |
| 4 | Open Document | Open Filing | Mar 5, 2019 | Mar 1, 2019 | 000-31127 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 8, 2018 | Jun 6, 2018 | 000-31127 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 5, 2018 | Mar 1, 2018 | 000-31127 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 3, 2017 | Mar 1, 2017 | 000-31127 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 9, 2016 | Mar 8, 2016 | 000-31127 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 3, 2016 | Mar 2, 2016 | 000-31127 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 27, 2015 | Feb 25, 2015 | 000-31127 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 12, 2014 | Nov 10, 2014 | 000-31127 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 3, 2014 | Feb 27, 2014 | 000-31127 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 19, 2014 | Feb 17, 2014 | 000-31127 |