| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 14 Jun 2023 | 28 Feb 2022 | 000-22427 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2023 | 25 Mar 2023 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2022 | 07 Mar 2022 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2022 | 28 Feb 2022 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2021 | 07 Mar 2021 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Apr 2020 | 16 Apr 2020 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2020 | 07 Mar 2020 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2018 | 09 Aug 2018 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jul 2018 | 18 May 2018 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2018 | 17 Mar 2018 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2018 | 07 Mar 2018 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2017 | 02 Mar 2017 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2017 | 23 Feb 2017 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Dec 2016 | 29 Dec 2016 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2016 | 02 Mar 2016 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Dec 2015 | 29 Dec 2015 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2015 | 21 May 2015 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2015 | 31 Dec 2014 | 000-22427 |