| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 21, 2024 | Mar 19, 2024 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 1, 2024 | Feb 28, 2024 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 26, 2024 | Feb 22, 2024 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 8, 2023 | Aug 7, 2023 | 000-54863 |
| 144 | Open Document | Open Filing | Aug 7, 2023 | |||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 27, 2023 | Feb 24, 2023 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 24, 2023 | Feb 22, 2023 | 000-54863 |
| 5 | Open Document | Open Filing | FORM 5 | Jan 27, 2023 | Dec 31, 2022 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 9, 2022 | Dec 8, 2022 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 28, 2022 | Feb 25, 2022 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 24, 2022 | Feb 22, 2022 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 5, 2022 | Dec 10, 2021 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 23, 2021 | Aug 19, 2021 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2021 | Jun 2, 2021 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2021 | Feb 25, 2021 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2021 | Feb 23, 2021 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 10, 2020 | Dec 9, 2020 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 25, 2020 | Nov 24, 2020 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 12, 2020 | Aug 10, 2020 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2020 | May 8, 2020 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2020 | Feb 27, 2020 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2020 | Feb 25, 2020 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2020 | Feb 21, 2020 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 12, 2019 | Sep 11, 2019 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2019 | Mar 11, 2019 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2019 | Mar 1, 2019 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2019 | Feb 26, 2019 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2019 | Feb 21, 2019 | 000-54863 |
| 5 | Open Document | Open Filing | FORM 5 | Jan 14, 2019 | Dec 31, 2018 | 000-54863 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 16, 2018 | Feb 27, 2018 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2018 | Feb 27, 2018 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2018 | Feb 23, 2018 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2018 | Feb 21, 2018 | 000-54863 |
| 5 | Open Document | Open Filing | FORM 5 | Jan 17, 2018 | Dec 31, 2017 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 11, 2017 | Dec 8, 2017 | 000-54863 |
| 3/A | Open Document | Open Filing | FORM 3/A | Dec 11, 2017 | Mar 28, 2017 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 6, 2017 | Dec 4, 2017 | 000-54863 |
| 3/A | Open Document | Open Filing | FORM 3/A | Mar 28, 2017 | Mar 15, 2017 | 000-54863 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 24, 2017 | Mar 15, 2017 | 000-54863 |