| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2024 | Mar 5, 2024 | 000-25923 |
| 144 | Open Document | Open Filing | Mar 5, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2024 | Feb 14, 2024 | 000-25923 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 14, 2024 | Feb 12, 2024 | 000-25923 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2023 | Feb 16, 2023 | 000-25923 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 15, 2023 | Feb 14, 2023 | 000-25923 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 15, 2023 | Feb 13, 2023 | 000-25923 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2023 | Feb 10, 2023 | 000-25923 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2022 | Feb 14, 2022 | 000-25923 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 14, 2022 | Feb 10, 2022 | 000-25923 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2021 | Feb 10, 2021 | 000-25923 |
| 4 | Open Document | Open Filing | May 21, 2020 | May 20, 2020 | 000-25923 | |
| 4 | Open Document | Open Filing | May 20, 2020 | May 19, 2020 | 000-25923 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2020 | Feb 14, 2020 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2020 | Feb 12, 2020 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2020 | Feb 11, 2020 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2020 | Feb 10, 2020 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2019 | Dec 12, 2019 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2019 | Feb 18, 2019 | 000-25923 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2019 | Feb 14, 2019 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2019 | Feb 14, 2019 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2019 | Feb 12, 2019 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2019 | Feb 11, 2019 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2018 | Dec 12, 2018 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2018 | Feb 18, 2018 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2018 | Feb 14, 2018 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2018 | Feb 12, 2018 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2017 | Feb 18, 2017 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2017 | Feb 14, 2017 | 000-25923 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2016 | Feb 18, 2016 | 000-25923 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2015 | Dec 17, 2014 | 000-25923 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 24, 2014 | Dec 17, 2014 | 000-25923 |