| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2022 | 21 Nov 2022 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2022 | 12 Aug 2022 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2022 | 03 May 2022 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2022 | 13 Mar 2022 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2022 | 03 Mar 2022 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2021 | 10 Dec 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2021 | 21 Nov 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2021 | 23 Jul 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jul 2021 | 13 Jul 2021 | 000-25965 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2021 | 30 Jun 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2021 | 30 Jun 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jun 2021 | 11 Jun 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2021 | 09 May 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2021 | 04 May 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2021 | 03 May 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2021 | 22 Apr 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Apr 2021 | 08 Apr 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Mar 2021 | 26 Mar 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2021 | 23 Mar 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2021 | 13 Mar 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2021 | 10 Mar 2021 | 000-25965 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2021 | 03 Mar 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2021 | 05 Mar 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2021 | 03 Mar 2021 | 000-25965 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2021 | 23 Feb 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2021 | 23 Feb 2021 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2020 | 09 May 2020 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2020 | 05 May 2020 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2020 | 04 May 2020 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2020 | 03 May 2020 | 000-25965 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2020 | 06 Mar 2020 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2020 | 06 Mar 2020 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2020 | 13 Mar 2020 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2020 | 30 Jan 2020 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2019 | 21 Nov 2019 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2019 | 13 Mar 2019 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2019 | 09 May 2019 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2019 | 06 May 2019 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2019 | 03 May 2019 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2018 | 29 Aug 2018 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2018 | 28 Jun 2018 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2018 | 09 May 2018 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2018 | 03 May 2018 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2017 | 14 Aug 2017 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2017 | 01 Jun 2017 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2017 | 09 May 2017 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2017 | 04 May 2017 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2016 | 15 Nov 2016 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2016 | 15 Aug 2016 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jun 2016 | 07 Jun 2016 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2016 | 09 May 2016 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2016 | 05 May 2016 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2016 | 01 Feb 2016 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2015 | 04 Nov 2015 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2015 | 21 May 2015 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2015 | 11 May 2015 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2015 | 05 May 2015 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2015 | 02 Feb 2015 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2014 | 14 Aug 2014 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2014 | 12 Aug 2014 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2014 | 12 May 2014 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2014 | 06 May 2014 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2014 | 05 Mar 2014 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2014 | 14 Feb 2014 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2014 | 31 Jan 2014 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2013 | 14 Aug 2013 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2013 | 08 Aug 2013 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2013 | 10 May 2013 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2013 | 05 Mar 2013 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2013 | 14 Feb 2013 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2013 | 31 Jan 2013 | 000-25965 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2012 | 28 Nov 2012 | 000-25965 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Aug 2012 | 14 Aug 2012 | 000-25965 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 May 2012 | 10 May 2012 | 000-25965 |