| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Mar 17, 2025 | Mar 13, 2025 | 000-21937 |
| 4 | Open Document | Open Filing | 4 | Mar 10, 2025 | Mar 6, 2025 | 000-21937 |
| 4 | Open Document | Open Filing | 4 | Mar 5, 2025 | Mar 3, 2025 | 000-21937 |
| 144 | Open Document | Open Filing | Mar 3, 2025 | |||
| 4 | Open Document | Open Filing | 4 | Feb 28, 2025 | Feb 26, 2025 | 000-21937 |
| 4 | Open Document | Open Filing | 4 | Aug 7, 2024 | Aug 2, 2024 | 000-21937 |
| 144 | Open Document | Open Filing | Aug 2, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2024 | Mar 12, 2024 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2024 | Mar 8, 2024 | 000-21937 |
| 144 | Open Document | Open Filing | Mar 8, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2024 | Mar 1, 2024 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2023 | Mar 12, 2023 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2023 | Mar 1, 2023 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 11, 2022 | Aug 9, 2022 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2022 | Mar 12, 2022 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2022 | Mar 1, 2022 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 5, 2021 | Nov 3, 2021 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 12, 2021 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 2, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 26, 2020 | Aug 24, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 9, 2020 | Jul 7, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 12, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 9, 2019 | Aug 7, 2019 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2019 | Jun 6, 2019 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2019 | Mar 10, 2019 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 30, 2018 | Aug 28, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2018 | Aug 14, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2018 | May 11, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2018 | Mar 10, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2018 | Mar 1, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2017 | Mar 10, 2017 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Mar 1, 2017 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2016 | Mar 1, 2016 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 3, 2015 | Sep 1, 2015 | 000-21937 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 30, 2015 | Jul 21, 2015 | 000-21937 |