| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 10 Aug 2021 | 09 Aug 2021 | 001-39080 | |
| 4/A | Open Document | Open Filing | 10 Aug 2021 | 31 Jan 2020 | 001-39080 | |
| 4 | Open Document | Open Filing | 06 Aug 2020 | 04 Aug 2020 | 001-39080 | |
| 4 | Open Document | Open Filing | 04 Aug 2020 | 03 Aug 2020 | 001-39080 | |
| 4 | Open Document | Open Filing | 13 Jul 2020 | 10 Jul 2020 | 001-39080 | |
| 4 | Open Document | Open Filing | 07 Nov 2019 | 05 Nov 2019 | 001-39080 | |
| 4 | Open Document | Open Filing | 07 Oct 2019 | 03 Oct 2019 | 001-39080 | |
| 3 | Open Document | Open Filing | 03 Oct 2019 | 03 Oct 2019 | 001-39080 |