| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Jul 2, 2024 | Jun 28, 2024 | 000-03676 |
| 4 | Open Document | Open Filing | 4 | Apr 2, 2024 | Mar 31, 2024 | 000-03676 |
| 4 | Open Document | Open Filing | 4 | Mar 12, 2024 | Mar 8, 2024 | 000-03676 |
| 4 | Open Document | Open Filing | 4 | Jan 2, 2024 | Dec 29, 2023 | 000-03676 |
| 4 | Open Document | Open Filing | 4 | Jul 5, 2023 | Jun 30, 2023 | 000-03676 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2023 | Mar 31, 2023 | 000-03676 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 17, 2023 | Mar 10, 2023 | 000-03676 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2023 | Mar 10, 2023 | 000-03676 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 10, 2023 | Mar 8, 2023 | 000-03676 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2023 | Dec 30, 2022 | 000-03676 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2022 | Jun 30, 2022 | 000-03676 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2022 | Mar 31, 2022 | 000-03676 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 14, 2022 | Mar 11, 2022 | 000-03676 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 12, 2022 | Dec 31, 2021 | 000-03676 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2022 | Dec 31, 2021 | 000-03676 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2021 | Mar 31, 2021 | 000-03676 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2021 | Mar 16, 2021 | 000-03676 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2020 | Mar 16, 2020 | 000-03676 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 14, 2019 | Mar 12, 2019 | 000-03676 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 14, 2018 | Mar 13, 2018 | 000-03676 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2017 | Mar 14, 2017 | 000-03676 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2016 | Mar 17, 2016 | 000-03676 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2015 | Mar 11, 2015 | 000-03676 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 14, 2014 | Jan 1, 2014 | 000-03676 |