| 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 | 19 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 | 30 Dec 2021 | 20 Dec 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 31 Dec 2020 | 21 Dec 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Dec 2019 | 16 Dec 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Dec 2018 | 17 Dec 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 Dec 2017 | 18 Dec 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Dec 2016 | 19 Dec 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Nov 2016 | 15 Nov 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Oct 2016 | 17 Oct 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Aug 2016 | 15 Aug 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jul 2016 | 15 Jul 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 May 2016 | 16 May 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Apr 2016 | 15 Apr 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 Mar 2016 | 15 Mar 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Feb 2016 | 15 Feb 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 Jan 2016 | 15 Jan 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Dec 2015 | 15 Dec 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Nov 2015 | 16 Nov 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Oct 2015 | 15 Oct 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Sep 2015 | 15 Sep 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Aug 2015 | 17 Aug 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Jun 2015 | 15 Jun 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Apr 2015 | 15 Apr 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Mar 2015 | 16 Mar 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 23 Feb 2015 | 17 Feb 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 Jan 2015 | 15 Jan 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 23 Dec 2014 | 22 Dec 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Dec 2014 | 15 Dec 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Nov 2014 | 17 Nov 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Oct 2014 | 15 Oct 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 24 Sep 2014 | 15 Sep 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Aug 2014 | 15 Aug 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Jul 2014 | 15 Jul 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jun 2014 | 16 Jun 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 May 2014 | 15 May 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Apr 2014 | 15 Apr 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Mar 2014 | 17 Mar 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 24 Feb 2014 | 15 Feb 2014 | 001-15877 |