| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2023 | 01 Oct 2023 | 001-04955 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2023 | 17 Feb 2023 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2023 | 10 Feb 2023 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2022 | 18 Feb 2022 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2022 | 11 Feb 2022 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2021 | 19 Feb 2021 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2021 | 09 Feb 2021 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2020 | 14 Feb 2020 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2020 | 11 Feb 2020 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2019 | 14 Feb 2019 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2019 | 08 Feb 2019 | 001-08503 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2018 | 10 May 2018 | 001-08503 |
| 4 | Open Document | Open Filing | 31 Jan 2018 | 29 Jan 2018 | 001-35492 | |
| 4 | Open Document | Open Filing | 29 Jan 2018 | 25 Jan 2018 | 001-35492 | |
| 4 | Open Document | Open Filing | 25 Jan 2018 | 23 Jan 2018 | 001-35492 | |
| 4 | Open Document | Open Filing | 28 Dec 2017 | 27 Dec 2017 | 001-35492 | |
| 4 | Open Document | Open Filing | 19 Dec 2017 | 15 Dec 2017 | 001-35492 | |
| 4 | Open Document | Open Filing | 15 Dec 2017 | 13 Dec 2017 | 001-35492 | |
| 4 | Open Document | Open Filing | 30 Jan 2017 | 26 Jan 2017 | 001-35492 | |
| 4/A | Open Document | Open Filing | 27 Jan 2017 | 24 Jan 2017 | 001-35492 | |
| 4 | Open Document | Open Filing | 26 Jan 2017 | 24 Jan 2017 | 001-35492 | |
| 4 | Open Document | Open Filing | 17 Nov 2016 | 15 Nov 2016 | 001-35492 | |
| 4 | Open Document | Open Filing | 09 May 2016 | 06 May 2016 | 001-35492 | |
| 4 | Open Document | Open Filing | 29 Jan 2016 | 27 Jan 2016 | 001-35492 | |
| 4 | Open Document | Open Filing | 27 Jan 2016 | 25 Jan 2016 | 001-35492 | |
| 4 | Open Document | Open Filing | 14 Jan 2016 | 12 Jan 2016 | 001-35492 | |
| 4 | Open Document | Open Filing | 29 Jan 2015 | 27 Jan 2015 | 001-35492 | |
| 4 | Open Document | Open Filing | 27 Jan 2015 | 25 Jan 2015 | 001-35492 | |
| 4 | Open Document | Open Filing | 26 Aug 2014 | 22 Aug 2014 | 001-35492 | |
| 4 | Open Document | Open Filing | 09 Jun 2014 | 05 Jun 2014 | 001-35492 | |
| 4 | Open Document | Open Filing | 29 Jan 2014 | 27 Jan 2014 | 001-35492 | |
| 4 | Open Document | Open Filing | 28 Jan 2014 | 25 Jan 2014 | 001-35492 |