| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jul 21, 2023 | Jul 19, 2023 | 000-50761 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 22, 2022 | Jul 20, 2022 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 14, 2022 | Jul 12, 2022 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 30, 2021 | Jul 28, 2021 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 23, 2021 | Jul 21, 2021 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 16, 2020 | Jul 14, 2020 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 19, 2019 | Jul 17, 2019 | 000-50761 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jul 16, 2019 | Jun 28, 2019 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 3, 2019 | May 31, 2019 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 20, 2018 | Jul 18, 2018 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2018 | Jun 21, 2018 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 8, 2017 | Jul 25, 2017 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 28, 2017 | Jul 26, 2017 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 6, 2016 | Aug 31, 2016 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 29, 2016 | Jul 27, 2016 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 7, 2015 | Aug 5, 2015 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 24, 2015 | Jul 22, 2015 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 14, 2014 | Aug 12, 2014 | 000-50761 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2014 | May 16, 2014 | 000-50761 |