| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | Dec 21, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | Nov 7, 2023 | Nov 3, 2023 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2023 | Apr 3, 2023 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2023 | Mar 3, 2023 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2023 | Feb 27, 2023 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Dec 31, 2022 | 000-50368 |
| 4/A | Open Document | Open Filing | FORM 4/A | May 17, 2022 | Mar 25, 2022 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 28, 2022 | Mar 25, 2022 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2022 | Feb 28, 2022 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2022 | Dec 31, 2021 | 000-50368 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 22, 2021 | Mar 1, 2021 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2021 | Dec 31, 2020 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2020 | Mar 4, 2020 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2020 | Mar 4, 2020 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 2, 2020 | Dec 31, 2019 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2019 | May 20, 2019 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2019 | Mar 1, 2019 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2019 | Mar 1, 2019 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2019 | Dec 31, 2018 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2018 | Mar 12, 2018 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2018 | Mar 1, 2018 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2018 | Mar 1, 2018 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 2, 2018 | Dec 31, 2017 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | May 16, 2017 | May 15, 2017 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2017 | Mar 10, 2017 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2017 | Mar 8, 2017 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2017 | Mar 7, 2017 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2017 | Dec 31, 2016 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2016 | Mar 10, 2016 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2016 | Mar 10, 2016 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2016 | Dec 31, 2015 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2015 | Mar 30, 2015 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2015 | Mar 3, 2015 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2015 | Dec 31, 2014 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2014 | Mar 3, 2014 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2014 | Mar 10, 2014 | 000-50368 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2014 | Dec 31, 2013 | 000-50368 |