| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jun 6, 2023 | Jun 2, 2023 | 000-50484 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 7, 2022 | Jul 5, 2022 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2021 | Jul 1, 2021 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 7, 2020 | Jul 2, 2020 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 3, 2019 | Jul 1, 2019 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 8, 2018 | Aug 6, 2018 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 16, 2018 | Jul 12, 2018 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 26, 2018 | Jun 22, 2018 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 10, 2017 | Jul 6, 2017 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 9, 2016 | Aug 5, 2016 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 1, 2016 | Jul 29, 2016 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 29, 2015 | Jul 28, 2015 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 16, 2014 | Jul 14, 2014 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 8, 2014 | Apr 7, 2014 | 000-50484 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Apr 8, 2014 | Apr 7, 2014 | 000-50484 |