| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 20, 2024 | May 16, 2024 | 000-50796 | |
| 4 | Open Document | Open Filing | Feb 2, 2024 | Jan 31, 2024 | 000-50796 | |
| 4 | Open Document | Open Filing | Dec 18, 2023 | Oct 25, 2023 | 000-50796 | |
| 4 | Open Document | Open Filing | Mar 3, 2023 | Mar 1, 2023 | 000-50796 | |
| 4 | Open Document | Open Filing | Mar 1, 2023 | Feb 27, 2023 | 000-50796 | |
| 4 | Open Document | Open Filing | Feb 21, 2023 | Feb 16, 2023 | 000-50796 | |
| 4 | Open Document | Open Filing | Aug 8, 2022 | Aug 4, 2022 | 000-50796 | |
| 4 | Open Document | Open Filing | Aug 3, 2022 | Aug 1, 2022 | 000-50796 | |
| 4 | Open Document | Open Filing | Mar 4, 2022 | Mar 2, 2022 | 000-50796 | |
| 4 | Open Document | Open Filing | Mar 5, 2021 | Mar 3, 2021 | 000-50796 | |
| 4 | Open Document | Open Filing | Feb 24, 2021 | Feb 22, 2021 | 000-50796 | |
| 4 | Open Document | Open Filing | Feb 8, 2021 | Feb 4, 2021 | 000-50796 | |
| 4 | Open Document | Open Filing | Aug 14, 2020 | Aug 13, 2020 | 000-50796 | |
| 4/A | Open Document | Open Filing | Jul 7, 2020 | Feb 7, 2020 | 000-50796 | |
| 4 | Open Document | Open Filing | Feb 11, 2020 | Feb 7, 2020 | 000-50796 | |
| 4 | Open Document | Open Filing | Nov 5, 2019 | Nov 5, 2019 | 000-50796 | |
| 4 | Open Document | Open Filing | May 6, 2019 | May 2, 2019 | 000-50796 | |
| 4 | Open Document | Open Filing | Mar 5, 2019 | Mar 1, 2019 | 000-50796 | |
| 4 | Open Document | Open Filing | Feb 14, 2019 | May 4, 2018 | 000-50796 | |
| 4 | Open Document | Open Filing | Oct 3, 2018 | Oct 1, 2018 | 000-50796 | |
| 4 | Open Document | Open Filing | Jul 2, 2018 | Jul 2, 2018 | 000-50796 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 4, 2018 | Apr 2, 2018 | 000-50796 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2018 | Feb 26, 2018 | 000-50796 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 5, 2018 | Feb 1, 2018 | 000-50796 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 1, 2017 | Feb 23, 2017 | 000-50796 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 12, 2015 | Nov 9, 2015 | 000-50796 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 20, 2015 | Jul 16, 2015 | 000-50796 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 12, 2014 | Nov 10, 2014 | 000-50796 |