| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Sep 2021 | 03 Sep 2021 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2021 | 26 Feb 2021 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2021 | 29 Jan 2021 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Nov 2020 | 24 Nov 2020 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2020 | 31 Jan 2020 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2019 | 30 Aug 2019 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2019 | 28 Feb 2019 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2019 | 01 Feb 2019 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2018 | 08 Aug 2018 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2018 | 26 Jan 2018 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2017 | 24 May 2017 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2017 | 27 Jan 2017 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2016 | 08 Sep 2016 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2016 | 29 Jan 2016 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jul 2015 | 13 Jul 2015 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2015 | 18 Feb 2015 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2015 | 29 Jan 2015 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2014 | 02 May 2014 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2014 | 30 Jan 2014 | 001-16189 |