| 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 | May 14, 2024 | May 10, 2024 | 000-50796 | |
| 4 | Open Document | Open Filing | May 12, 2023 | May 10, 2023 | 000-50796 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 20, 2022 | Aug 20, 2021 | 001-10275 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Jul 8, 2022 | Jun 29, 2022 | 001-10275 |
| 4 | Open Document | Open Filing | May 13, 2022 | May 11, 2022 | 000-50796 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 27, 2022 | Apr 25, 2022 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2022 | Apr 1, 2022 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 10, 2022 | Feb 8, 2022 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2022 | Jan 3, 2022 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 27, 2021 | Sep 24, 2021 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 1, 2021 | Aug 30, 2021 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 30, 2021 | Aug 26, 2021 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 24, 2021 | Aug 20, 2021 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 28, 2021 | Jun 24, 2021 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 24, 2021 | Jun 23, 2021 | 001-10275 |
| 4 | Open Document | Open Filing | May 14, 2021 | May 12, 2021 | 000-50796 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 30, 2021 | Apr 29, 2021 | 001-10275 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 30, 2021 | Mar 23, 2021 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2021 | Mar 23, 2021 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2021 | Jan 4, 2021 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 18, 2020 | Nov 16, 2020 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 12, 2020 | Nov 10, 2020 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 22, 2020 | Sep 21, 2020 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 4, 2020 | Sep 3, 2020 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 2, 2020 | Aug 31, 2020 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 31, 2020 | Aug 27, 2020 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2020 | Aug 13, 2020 | 001-10275 |
| 4/A | Open Document | Open Filing | Jun 11, 2020 | May 13, 2020 | 000-50796 | |
| 4 | Open Document | Open Filing | May 15, 2020 | May 13, 2020 | 000-50796 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2020 | Mar 2, 2020 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 20, 2019 | Dec 4, 2019 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 30, 2019 | Aug 29, 2019 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 19, 2019 | Aug 15, 2019 | 001-10275 |
| 4 | Open Document | Open Filing | May 10, 2019 | May 8, 2019 | 000-50796 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2018 | Nov 12, 2018 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 7, 2018 | Nov 6, 2018 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 4, 2018 | Aug 30, 2018 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 20, 2018 | Aug 16, 2018 | 001-10275 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 9, 2018 | May 8, 2018 | 000-50796 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 6, 2017 | Dec 5, 2017 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 22, 2017 | Sep 21, 2017 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 5, 2017 | Aug 31, 2017 | 001-10275 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 22, 2017 | May 18, 2017 | 000-50796 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 18, 2016 | Nov 17, 2016 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 29, 2016 | Aug 25, 2016 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 26, 2016 | Aug 25, 2016 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2016 | Aug 16, 2016 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 15, 2016 | Aug 12, 2016 | 001-10275 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 25, 2016 | Apr 21, 2016 | 000-50796 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 4, 2015 | Dec 3, 2015 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 31, 2015 | Aug 27, 2015 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 12, 2015 | Aug 11, 2015 | 001-10275 |
| 4 | Open Document | Open Filing | 4 | Apr 23, 2015 | Apr 21, 2015 | 000-50796 |
| 3 | Open Document | Open Filing | 3 | Apr 23, 2015 | Apr 21, 2015 | 000-50796 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2015 | Feb 19, 2015 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 12, 2014 | Nov 11, 2014 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 2, 2014 | Aug 28, 2014 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 14, 2014 | Aug 13, 2014 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 13, 2014 | Aug 12, 2014 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 19, 2014 | Feb 18, 2014 | 001-10275 |