| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Aug 4, 2025 | Aug 3, 2025 | 000-21121 | |
| 4 | Open Document | Open Filing | Mar 5, 2025 | Mar 4, 2025 | 000-21121 | |
| 4 | Open Document | Open Filing | Mar 3, 2025 | Feb 27, 2025 | 000-21121 | |
| 4 | Open Document | Open Filing | Aug 6, 2024 | Aug 3, 2024 | 000-21121 | |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 8, 2024 | Mar 2, 2022 | 000-21121 |
| 4 | Open Document | Open Filing | Mar 4, 2024 | Feb 29, 2024 | 000-21121 | |
| 4 | Open Document | Open Filing | Feb 28, 2024 | Feb 27, 2024 | 000-21121 | |
| 4 | Open Document | Open Filing | Aug 7, 2023 | Aug 3, 2023 | 000-21121 | |
| 4 | Open Document | Open Filing | Mar 6, 2023 | Mar 2, 2023 | 000-21121 | |
| 4 | Open Document | Open Filing | Mar 3, 2023 | Mar 1, 2023 | 000-21121 | |
| 4 | Open Document | Open Filing | Mar 1, 2023 | Feb 27, 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 1, 2022 | Feb 27, 2022 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2021 | May 22, 2021 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2021 | May 12, 2021 | 000-21121 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2021 | Mar 4, 2021 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2021 | Feb 27, 2021 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2020 | Jun 5, 2020 | 000-21121 |
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2020 | May 22, 2020 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2020 | Apr 28, 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 2, 2020 | Feb 27, 2020 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 25, 2019 | Jul 23, 2019 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2019 | May 22, 2019 | 000-21121 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 30, 2019 | Apr 28, 2019 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2019 | Mar 11, 2019 | 000-21121 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2019 | Feb 27, 2019 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2018 | May 22, 2018 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2018 | Apr 28, 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 | May 24, 2017 | May 22, 2017 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 28, 2017 | Apr 28, 2017 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2016 | Jun 15, 2016 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2016 | Apr 28, 2016 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 29, 2016 | Feb 25, 2016 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2015 | May 14, 2015 | 000-21121 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2014 | May 15, 2014 | 000-21121 |