| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Apr 9, 2025 | Apr 7, 2025 | 000-21121 | |
| 4 | Open Document | Open Filing | Mar 4, 2024 | Feb 29, 2024 | 000-21121 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2023 | May 4, 2023 | 000-21121 |
| 4 | Open Document | Open Filing | Mar 3, 2023 | Mar 1, 2023 | 000-21121 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2022 | Mar 2, 2022 | 000-21121 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2021 | Mar 4, 2021 | 000-21121 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2020 | Apr 30, 2020 | 000-21121 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2020 | Feb 27, 2020 | 000-21121 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2019 | Feb 27, 2019 | 000-21121 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 4, 2018 | Nov 30, 2018 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 3, 2018 | Nov 29, 2018 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2018 | Mar 1, 2018 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 20, 2017 | Nov 15, 2017 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2017 | May 22, 2017 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 29, 2016 | Feb 25, 2016 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2015 | Feb 26, 2015 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2014 | Feb 27, 2014 | 000-21121 |