| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2025 | 12 May 2025 | 000-23621 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2024 | 07 May 2024 | 000-23621 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2023 | 16 May 2023 | 000-23621 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2022 | 10 May 2022 | 000-23621 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2021 | 11 May 2021 | 000-23621 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2020 | 11 May 2020 | 000-23621 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2020 | 11 May 2020 | 000-23621 |
| 4 | Open Document | Open Filing | 14 Dec 2017 | 12 Dec 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 11 Dec 2017 | 08 Dec 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 15 Nov 2017 | 14 Nov 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 13 Nov 2017 | 10 Nov 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 02 Oct 2017 | 29 Sep 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 12 Sep 2017 | 08 Sep 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 09 Aug 2017 | 07 Aug 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 04 Aug 2017 | 03 Aug 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 13 Jun 2017 | 09 Jun 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 04 May 2017 | 04 May 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 14 Mar 2017 | 10 Mar 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 22 Feb 2017 | 22 Feb 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | 15 Dec 2016 | 13 Dec 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | 13 Dec 2016 | 09 Dec 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | 16 Nov 2016 | 14 Nov 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | 15 Nov 2016 | 12 Nov 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | 14 Nov 2016 | 10 Nov 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | 13 Sep 2016 | 09 Sep 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | 30 Aug 2016 | 30 Aug 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | 14 Jun 2016 | 10 Jun 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | 15 Mar 2016 | 11 Mar 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | 16 Dec 2015 | 14 Dec 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 15 Dec 2015 | 11 Dec 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 18 Nov 2015 | 17 Nov 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 17 Nov 2015 | 14 Nov 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 16 Nov 2015 | 12 Nov 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 12 Nov 2015 | 09 Nov 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 04 Nov 2015 | 03 Nov 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 15 Sep 2015 | 11 Sep 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 16 Jun 2015 | 12 Jun 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 09 Jun 2015 | 07 Jun 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 19 May 2015 | 19 May 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 17 Mar 2015 | 13 Mar 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 10 Mar 2015 | 09 Mar 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 05 Feb 2015 | 04 Feb 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | 16 Dec 2014 | 12 Dec 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 09 Dec 2014 | 08 Dec 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 17 Nov 2014 | 14 Nov 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 14 Nov 2014 | 12 Nov 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 12 Nov 2014 | 08 Nov 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 15 Sep 2014 | 12 Sep 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 31 Jul 2014 | 30 Jul 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 17 Jun 2014 | 13 Jun 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 09 Jun 2014 | 07 Jun 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 02 May 2014 | 01 May 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 01 May 2014 | 29 Apr 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 18 Mar 2014 | 14 Mar 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 04 Feb 2014 | 03 Feb 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | 04 Feb 2014 | 03 Dec 2013 | 001-33260 | |
| 4 | Open Document | Open Filing | 30 Jan 2014 | 29 Jan 2014 | 001-33260 |