| 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 | Apr 5, 2021 | Apr 4, 2021 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2020 | May 18, 2020 | 001-36252 |
| 4/A | Open Document | Open Filing | FORM 4/A | May 19, 2020 | Apr 4, 2020 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 6, 2020 | Apr 4, 2020 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2020 | Mar 4, 2020 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2020 | Feb 25, 2020 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2020 | Feb 20, 2020 | 001-36252 |
| 4/A | Open Document | Open Filing | FORM 4/A | May 21, 2019 | Apr 4, 2019 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2019 | May 18, 2019 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2019 | Apr 30, 2019 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2019 | Apr 4, 2019 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2019 | Feb 20, 2019 | 001-36252 |
| 3 | Open Document | Open Filing | FORM 3 | Feb 15, 2019 | Feb 12, 2019 | 001-36252 |