| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Apr 2023 | 20 Apr 2023 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Mar 2023 | 27 Mar 2023 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Apr 2022 | 21 Apr 2022 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2021 | 27 Apr 2021 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2021 | 22 Apr 2021 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2020 | 04 May 2020 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2020 | 25 Apr 2020 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2019 | 04 May 2019 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2019 | 25 Apr 2019 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2018 | 04 May 2018 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2018 | 26 Apr 2018 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2017 | 04 May 2017 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2016 | 28 Apr 2016 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2015 | 30 Apr 2015 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2014 | 11 Aug 2014 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2014 | 01 May 2014 | 001-08325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2013 | 13 May 2013 | 001-08325 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Mar 2013 | 25 Mar 2013 | 001-08325 |
| 4 | Open Document | Open Filing | FORM 4 - | 27 Mar 2012 | 23 Mar 2012 | 001-08325 |