| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 23 May 2022 | 19 May 2022 | 001-09700 | |
| 4 | Open Document | Open Filing | 28 May 2021 | 28 May 2021 | 001-09700 | |
| 4 | Open Document | Open Filing | 19 May 2021 | 17 May 2021 | 001-09700 | |
| 4 | Open Document | Open Filing | 17 Feb 2021 | 16 Feb 2021 | 001-09700 | |
| 4 | Open Document | Open Filing | 18 May 2020 | 14 May 2020 | 001-09700 | |
| 4 | Open Document | Open Filing | 21 May 2019 | 17 May 2019 | 001-09700 | |
| 4 | Open Document | Open Filing | 21 May 2018 | 17 May 2018 | 001-09700 | |
| 4 | Open Document | Open Filing | 22 May 2017 | 18 May 2017 | 001-09700 | |
| 4 | Open Document | Open Filing | 23 May 2016 | 19 May 2016 | 001-09700 | |
| 4 | Open Document | Open Filing | 21 Jan 2016 | 20 Jan 2016 | 001-09700 | |
| 4 | Open Document | Open Filing | 12 Aug 2015 | 12 Aug 2015 | 001-09700 | |
| 4 | Open Document | Open Filing | 19 May 2015 | 15 May 2015 | 001-09700 | |
| 4 | Open Document | Open Filing | 28 Apr 2015 | 24 Apr 2015 | 001-09700 | |
| 3 | Open Document | Open Filing | 03 Feb 2015 | 29 Jan 2015 | 001-09700 |