| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Aug 2022 | 19 Aug 2022 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2022 | 12 Apr 2022 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2021 | 25 May 2021 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Apr 2021 | 08 Apr 2021 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2020 | 22 May 2020 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2020 | 09 Apr 2020 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2019 | 24 May 2019 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Apr 2019 | 08 Apr 2019 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Apr 2018 | 05 Apr 2018 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2018 | 02 Jan 2018 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2017 | 01 Dec 2017 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Apr 2017 | 06 Apr 2017 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Mar 2016 | 29 Mar 2016 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2015 | 02 Apr 2015 | 000-19807 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2014 | 02 Apr 2014 | 000-19807 |