| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2025 | 15 May 2025 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2024 | 22 May 2024 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2024 | 17 May 2024 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2023 | 17 May 2023 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jun 2022 | 08 Jun 2022 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2022 | 11 May 2022 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2021 | 11 May 2021 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2020 | 10 Jun 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2020 | 20 May 2020 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2019 | 04 Nov 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2019 | 13 Aug 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2019 | 20 May 2019 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2018 | 13 Aug 2018 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2017 | 14 Aug 2017 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2017 | 10 May 2017 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2016 | 15 Aug 2016 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2016 | 04 Jan 2016 | 001-16503 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2016 | 04 Jan 2016 | 001-16503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2016 | 04 Jan 2016 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Dec 2015 | 30 Dec 2015 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2015 | 15 Dec 2015 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Oct 2015 | 15 Oct 2015 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jul 2015 | 15 Jul 2015 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2015 | 01 Jul 2015 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2015 | 15 Apr 2015 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2015 | 23 Feb 2015 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2015 | 15 Jan 2015 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Oct 2014 | 15 Oct 2014 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jul 2014 | 15 Jul 2014 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2014 | 01 Jul 2014 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2014 | 15 Apr 2014 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2014 | 04 Mar 2014 | 001-34594 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2014 | 15 Jan 2014 | 001-34594 |