| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 03 Aug 2022 | 01 Aug 2022 | 000-33203 | |
| 4 | Open Document | Open Filing | 03 Aug 2021 | 01 Aug 2021 | 000-33203 | |
| 4 | Open Document | Open Filing | 17 Feb 2021 | 16 Feb 2021 | 000-33203 | |
| 4 | Open Document | Open Filing | 05 Aug 2020 | 01 Aug 2020 | 000-33203 | |
| 4 | Open Document | Open Filing | 05 Aug 2019 | 01 Aug 2019 | 000-33203 | |
| 4 | Open Document | Open Filing | 03 Aug 2018 | 01 Aug 2018 | 000-33203 | |
| 4/A | Open Document | Open Filing | 25 Apr 2018 | 18 Apr 2018 | 000-33203 | |
| 4 | Open Document | Open Filing | 20 Apr 2018 | 18 Apr 2018 | 000-33203 | |
| 4 | Open Document | Open Filing | 03 Aug 2017 | 01 Aug 2017 | 000-33203 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2016 | 01 Aug 2016 | 000-33203 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Apr 2016 | 08 Apr 2016 | 000-33203 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Mar 2014 | 19 Mar 2014 | 000-33203 |