| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Sep 22, 2022 | Aug 4, 2022 | 000-30141 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 25, 2021 | Aug 23, 2021 | 000-30141 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2021 | May 26, 2021 | 000-30141 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2020 | Jun 11, 2020 | 000-30141 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2020 | May 21, 2020 | 000-30141 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2019 | Jun 6, 2019 | 000-30141 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2018 | Jun 5, 2018 | 000-30141 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 6, 2017 | Jun 2, 2017 | 000-30141 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2017 | May 1, 2017 | 000-30141 |
| 3 | Open Document | Open Filing | FORM 3 | May 3, 2017 | May 1, 2017 | 000-30141 |