| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2022 | 01 Jul 2022 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2021 | 01 Jul 2021 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2021 | 11 Feb 2021 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2020 | 01 Jul 2020 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2020 | 27 May 2020 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2019 | 16 Aug 2019 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2019 | 01 Jul 2019 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2019 | 25 Feb 2019 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2019 | 12 Feb 2019 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2018 | 02 Jul 2018 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jun 2018 | 13 Jun 2018 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2018 | 06 Jun 2018 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2018 | 30 May 2018 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2018 | 22 May 2018 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2018 | 21 May 2018 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Apr 2018 | 18 Apr 2018 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2018 | 26 Mar 2018 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2017 | 03 Jul 2017 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2016 | 01 Jul 2016 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2015 | 01 Jul 2015 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2015 | 10 Mar 2015 | 000-26887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jul 2014 | 01 Jul 2014 | 000-23441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2014 | 19 May 2014 | 000-26887 |