| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Feb 18, 2025 | Feb 14, 2025 | 000-21617 | |
| 4 | Open Document | Open Filing | Mar 19, 2024 | Mar 17, 2024 | 000-21617 | |
| 4/A | Open Document | Open Filing | Jun 22, 2023 | Jun 16, 2023 | 000-21617 | |
| 4 | Open Document | Open Filing | Jun 21, 2023 | Jun 19, 2023 | 000-21617 | |
| 4 | Open Document | Open Filing | Jul 5, 2022 | Jul 1, 2022 | 000-21617 | |
| 4 | Open Document | Open Filing | Jun 10, 2021 | Jun 9, 2021 | 000-21617 | |
| 4 | Open Document | Open Filing | Sep 11, 2020 | Sep 10, 2020 | 000-21617 | |
| 4 | Open Document | Open Filing | Aug 17, 2020 | Aug 13, 2020 | 000-21617 | |
| 4 | Open Document | Open Filing | Jul 2, 2020 | Jul 1, 2020 | 000-21617 | |
| 4 | Open Document | Open Filing | Apr 2, 2020 | Apr 1, 2020 | 000-21617 | |
| 4 | Open Document | Open Filing | Mar 27, 2020 | Mar 26, 2020 | 000-21617 | |
| 4 | Open Document | Open Filing | Jan 3, 2020 | Jan 1, 2020 | 000-21617 | |
| 4 | Open Document | Open Filing | Oct 3, 2019 | Oct 1, 2019 | 000-21617 | |
| 4 | Open Document | Open Filing | Aug 16, 2019 | Jul 1, 2019 | 000-21617 | |
| 4 | Open Document | Open Filing | Apr 4, 2019 | Apr 3, 2019 | 000-21617 | |
| 4 | Open Document | Open Filing | Jan 15, 2019 | Jan 2, 2019 | 000-21617 | |
| 4 | Open Document | Open Filing | Oct 2, 2018 | Oct 1, 2018 | 000-21617 | |
| 4 | Open Document | Open Filing | Jul 23, 2018 | Jul 19, 2015 | 000-21617 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2015 | Jan 2, 2015 | 000-21617 |