| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Jul 2025 | 30 Jun 2025 | 001-15877 | |
| 4 | Open Document | Open Filing | 26 Jun 2024 | 25 Jun 2024 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Dec 2023 | 18 Dec 2023 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Dec 2022 | 19 Dec 2022 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jul 2022 | 15 Jul 2022 | 001-15877 | |
| 4 | Open Document | Open Filing | 30 Dec 2021 | 20 Dec 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Jul 2021 | 15 Jul 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 31 Dec 2020 | 21 Dec 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Jul 2020 | 15 Jul 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Dec 2019 | 16 Dec 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Jul 2019 | 15 Jul 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Dec 2018 | 17 Dec 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Jul 2018 | 16 Jul 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 Dec 2017 | 18 Dec 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jul 2017 | 17 Jul 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Dec 2016 | 19 Dec 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jul 2016 | 15 Jul 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Dec 2015 | 15 Dec 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 23 Dec 2014 | 22 Dec 2014 | 001-15877 | |
| 4/A | Open Document | Open Filing | 21 Aug 2014 | 15 Aug 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Aug 2014 | 15 Aug 2014 | 001-15877 |