| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2025 | 21 May 2025 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2025 | 01 May 2025 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2024 | 01 May 2024 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2024 | 25 Apr 2024 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Aug 2023 | 21 Aug 2023 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jun 2022 | 28 Jun 2022 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2022 | 01 May 2022 | 001-06961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Sep 2021 | 23 Sep 2021 | 001-39599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2021 | 19 May 2021 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2021 | 01 May 2021 | 001-06961 |
| 3 | Open Document | Open Filing | 06 Oct 2020 | 06 Oct 2020 | 001-39599 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2020 | 27 May 2020 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2019 | 01 May 2019 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2019 | 25 Apr 2019 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2018 | 01 May 2018 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2018 | 26 Apr 2018 | 001-06961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2018 | 06 Mar 2018 | 001-34004 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2018 | 02 Mar 2018 | 001-34004 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2018 | 26 Feb 2018 | 001-06961 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2018 | 26 Feb 2018 | 001-06961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 May 2017 | 10 May 2017 | 001-34004 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 10 Feb 2017 | 31 Dec 2016 | 001-34004 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2016 | 11 May 2016 | 001-34004 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 May 2015 | 12 May 2015 | 001-34004 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2014 | 13 May 2014 | 001-34004 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2013 | 14 May 2013 | 001-34004 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2012 | 15 May 2012 | 001-34004 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 17 Feb 2012 | 16 Feb 2012 | 001-34004 |