| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2021 | Nov 1, 2021 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2021 | Feb 23, 2021 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 21, 2021 | Jan 19, 2021 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2020 | Feb 25, 2020 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2020 | Feb 23, 2020 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 21, 2020 | Jan 16, 2020 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2019 | Feb 23, 2019 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2019 | Feb 20, 2019 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 22, 2019 | Jan 17, 2019 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | May 29, 2018 | May 26, 2018 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2018 | Feb 23, 2018 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2018 | Feb 21, 2018 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 9, 2018 | Jan 5, 2018 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2017 | Feb 22, 2017 | 001-35263 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2016 | Feb 23, 2016 | 001-35263 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 4, 2015 | May 26, 2015 | 001-35263 |