| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2024 | 31 May 2024 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2023 | 01 Jun 2023 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2022 | 01 Jun 2022 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2021 | 01 Jun 2021 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2020 | 01 Jun 2020 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Nov 2019 | 21 Nov 2019 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2019 | 01 Jun 2019 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2018 | 01 Jun 2018 | 000-15572 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2018 | 31 Dec 2017 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2017 | 01 Jun 2017 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2017 | 27 Mar 2017 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2016 | 01 Jun 2016 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2015 | 01 Jun 2015 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2015 | 06 May 2015 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2015 | 05 May 2015 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2014 | 02 Jun 2014 | 000-15572 |