| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Oct 22, 2021 | Oct 21, 2021 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2021 | Feb 19, 2021 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2020 | May 18, 2020 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2019 | May 20, 2019 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2018 | May 17, 2018 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2017 | May 18, 2017 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2016 | Jun 20, 2016 | 001-36252 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 22, 2016 | Jun 20, 2016 | 001-36252 |