| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jun 2025 | 04 Jun 2025 | 001-13991 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jun 2024 | 05 Jun 2024 | 001-13991 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Jun 2023 | 07 Jun 2023 | 001-13991 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Jun 2022 | 08 Jun 2022 | 001-13991 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Jun 2021 | 08 Jun 2021 | 001-13991 |
| 4 | Open Document | Open Filing | 4 | 10 Jul 2020 | 09 Jul 2020 | 001-13991 |
| 3 | Open Document | Open Filing | 3 | 08 Jan 2020 | 01 Jan 2020 | 001-13991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2015 | 13 May 2015 | 001-31720 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2015 | 19 Feb 2015 | 001-31369 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2015 | 01 Feb 2015 | 001-31369 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2015 | 28 Jan 2015 | 001-31369 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2014 | 07 Nov 2014 | 001-31720 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2014 | 07 May 2014 | 001-31720 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | 001-31369 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2014 | 16 Feb 2014 | 001-31369 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2014 | 01 Feb 2014 | 001-31369 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2014 | 02 Jan 2014 | 001-31720 |