| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 15 Sep 2022 | 13 Sep 2022 | 001-07151 | |
| 4 | Open Document | Open Filing | 22 Dec 2021 | 20 Dec 2021 | 001-07151 | |
| 4 | Open Document | Open Filing | 09 Dec 2021 | 07 Dec 2021 | 001-07151 | |
| 4 | Open Document | Open Filing | 23 Sep 2021 | 21 Sep 2021 | 001-07151 | |
| 4 | Open Document | Open Filing | 14 Sep 2021 | 10 Sep 2021 | 001-07151 | |
| 4 | Open Document | Open Filing | 23 Aug 2021 | 19 Aug 2021 | 001-07151 | |
| 4 | Open Document | Open Filing | 09 Dec 2020 | 07 Dec 2020 | 001-07151 | |
| 3 | Open Document | Open Filing | 09 Dec 2020 | 07 Dec 2020 | 001-07151 |