| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2022 | Mar 28, 2022 | 001-36346 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 13, 2021 | Mar 2, 2021 | 001-36346 |
| 3/A | Open Document | Open Filing | FORM 3/A | Apr 24, 2017 | Mar 26, 2014 | 001-36346 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 28, 2014 | Mar 26, 2014 | 001-36346 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 26, 2014 | Mar 26, 2014 | 001-36346 |