| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 17, 2022 | Jun 16, 2022 | 000-50644 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2021 | Dec 14, 2021 | 000-50644 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 17, 2021 | Jun 15, 2021 | 000-50644 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2020 | Jun 15, 2020 | 000-50644 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 17, 2019 | Jun 14, 2019 | 000-50644 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2018 | Jun 14, 2018 | 000-50644 |
| 4 | Open Document | Open Filing | FORM 4- TJO | Nov 8, 2017 | Nov 6, 2017 | 000-50644 |
| 4 | Open Document | Open Filing | FORM 4- TJO | Nov 2, 2017 | Oct 31, 2017 | 000-50644 |
| 4/A | Open Document | Open Filing | FORM 4A- TJA | Oct 19, 2017 | Oct 16, 2017 | 000-50644 |
| 4 | Open Document | Open Filing | FORM 4- TJO | Oct 18, 2017 | Oct 16, 2017 | 000-50644 |
| 4 | Open Document | Open Filing | FORM 4-TJO | Jun 16, 2017 | Jun 14, 2017 | 000-50644 |
| 4 | Open Document | Open Filing | FORM 4-TJO | Jun 20, 2016 | Jun 15, 2016 | 000-50644 |
| 4 | Open Document | Open Filing | FORM4-TAO | Jun 18, 2015 | Jun 17, 2015 | 000-50644 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 20, 2014 | Jun 18, 2014 | 000-50644 |