| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | Nov 16, 2021 | Nov 12, 2021 | 001-36473 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 24, 2021 | Feb 22, 2021 | 001-36473 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 19, 2021 | Feb 17, 2021 | 001-36473 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 27, 2020 | Feb 25, 2019 | 001-36473 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 18, 2020 | Feb 16, 2020 | 001-36473 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 28, 2019 | Feb 26, 2019 | 001-36473 |
| 3 | Open Document | Open Filing | FORM 3 - | Apr 9, 2018 | Apr 1, 2018 | 001-36473 |