| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 13, 2021 | Aug 13, 2021 | 001-36137 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 1, 2021 | Jul 1, 2021 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2021 | May 28, 2021 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 25, 2020 | Nov 24, 2020 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 19, 2020 | Oct 19, 2020 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 21, 2020 | Aug 19, 2020 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 17, 2019 | Oct 17, 2019 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 10, 2018 | Dec 7, 2018 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 16, 2018 | Oct 16, 2018 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2018 | May 16, 2018 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2018 | May 15, 2018 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 17, 2017 | Oct 17, 2017 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2017 | May 17, 2017 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 18, 2016 | Oct 15, 2016 | 001-36137 |