| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 22 May 2025 | 21 May 2025 | 000-23702 | |
| 4 | Open Document | Open Filing | 13 May 2025 | 12 May 2025 | 000-23702 | |
| 4 | Open Document | Open Filing | 23 May 2024 | 22 May 2024 | 000-23702 | |
| 4 | Open Document | Open Filing | 25 May 2023 | 24 May 2023 | 000-23702 | |
| 4 | Open Document | Open Filing | 27 May 2022 | 25 May 2022 | 000-23702 | |
| 4 | Open Document | Open Filing | 28 May 2021 | 26 May 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | 02 Jul 2020 | 01 Jul 2020 | 000-23702 | |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2019 | 03 Jun 2019 | 000-23702 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 May 2018 | 30 May 2018 | 000-23702 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 May 2018 | 30 May 2018 | 000-23702 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Apr 2018 | 02 Apr 2018 | 000-23702 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2015 | 16 Mar 2015 | 001-12302 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2015 | 12 Mar 2015 | 001-12302 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2015 | 20 Jan 2015 | 001-12302 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2014 | 30 Jun 2014 | 001-12302 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2014 | 23 May 2014 | 001-12302 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2013 | 22 Aug 2013 | 001-12302 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2013 | 01 Apr 2013 | 001-12302 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2012 | 24 Aug 2012 | 001-12302 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2012 | 01 Apr 2012 | 001-12302 |