| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 26, 2021 | Mar 31, 2021 | 001-38447 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 5, 2021 | Feb 1, 2021 | 001-38447 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2021 | Feb 17, 2021 | 001-38447 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 3, 2021 | Feb 1, 2021 | 001-38447 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 6, 2020 | Aug 4, 2020 | 001-38447 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2020 | Feb 1, 2020 | 001-38447 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2019 | Mar 31, 2019 | 001-38447 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 18, 2018 | Jun 14, 2018 | 001-38447 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 9, 2018 | Apr 9, 2018 | 001-38447 |