| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A | 26 Sep 2022 | 10 Nov 2021 | 001-36079 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Nov 2021 | 10 Nov 2021 | 001-36079 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2019 | 07 Jun 2019 | 001-36079 |
| 4 | Open Document | Open Filing | 28 Jan 2016 | 27 Jan 2016 | 001-36079 | |
| 4 | Open Document | Open Filing | 24 Apr 2012 | 20 Apr 2012 | 000-50150 |