| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 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 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 | Mar 16, 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 | Jan 5, 2022 | Jan 3, 2022 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 9, 2021 | Nov 5, 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 14, 2020 | Aug 12, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 26, 2020 | Jun 25, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2020 | Jun 1, 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 | Sep 18, 2019 | Sep 16, 2019 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2019 | Jun 6, 2019 | 000-21937 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 14, 2019 | Mar 10, 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 | Jun 6, 2018 | Jun 4, 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 | Mar 4, 2015 | Mar 2, 2015 | 000-21937 |
| 4 | Open Document | Open Filing | Mar 4, 2014 | Mar 3, 2014 | 000-21937 |