| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2022 | 03 Aug 2022 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2022 | 15 Jun 2022 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2021 | 13 May 2021 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2021 | 16 Feb 2021 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jul 2020 | 27 Jul 2020 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2020 | 27 May 2020 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2019 | 30 Aug 2019 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2019 | 22 May 2019 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2019 | 15 Feb 2019 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2018 | 02 May 2018 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Sep 2017 | 30 Aug 2017 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2017 | 25 Aug 2017 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2017 | 26 May 2017 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2017 | 03 Apr 2017 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2017 | 03 Mar 2017 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2017 | 27 Feb 2017 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2016 | 13 Dec 2016 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Nov 2016 | 29 Nov 2016 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2016 | 22 Nov 2016 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jun 2016 | 20 Jun 2016 | 001-13810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2016 | 25 May 2016 | 000-25904 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2016 | 22 Feb 2016 | 000-25904 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2015 | 23 Feb 2015 | 000-25904 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2014 | 03 Mar 2014 | 000-25904 |