| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 1, 2023 | Jun 24, 2021 | 001-35569 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2022 | Mar 11, 2022 | 001-35569 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2020 | Mar 16, 2020 | 001-35569 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2019 | May 6, 2019 | 001-35569 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 10, 2018 | Oct 8, 2018 | 001-35569 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 21, 2014 | Jun 19, 2014 | 001-35569 |
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2014 | May 27, 2014 | 001-35569 |