| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 18 May 2022 | 17 May 2022 | 001-38552 | |
| 4 | Open Document | Open Filing | 14 May 2021 | 12 May 2021 | 001-38552 | |
| 4 | Open Document | Open Filing | 16 Jul 2020 | 15 Jul 2020 | 001-38552 | |
| 4 | Open Document | Open Filing | 30 Sep 2019 | 26 Sep 2019 | 001-38552 | |
| 3 | Open Document | Open Filing | 30 Sep 2019 | 26 Sep 2019 | 001-38552 |