| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jan 2023 | 28 May 2020 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Oct 2021 | 19 Oct 2021 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2021 | 10 May 2021 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2021 | 04 May 2021 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2021 | 03 May 2021 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2021 | 29 Apr 2021 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2021 | 08 Mar 2021 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Nov 2020 | 24 Nov 2020 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2020 | 26 Aug 2020 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2020 | 25 Aug 2020 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Aug 2020 | 24 Aug 2020 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2020 | 07 Aug 2020 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2020 | 28 May 2020 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2019 | 17 Dec 2019 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2019 | 05 Nov 2019 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Oct 2019 | 22 Oct 2019 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Oct 2019 | 18 Oct 2019 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2019 | 06 Sep 2019 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2019 | 31 Dec 2018 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Oct 2018 | 23 Oct 2018 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2018 | 30 May 2018 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2018 | 17 May 2018 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2018 | 09 May 2018 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Apr 2018 | 06 Apr 2018 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2018 | 24 Jan 2018 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2017 | 30 Nov 2017 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2017 | 27 Oct 2017 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2017 | 29 Aug 2017 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2017 | 29 Aug 2017 | 000-11757 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2017 | 31 Dec 2016 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2016 | 08 Dec 2016 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2016 | 08 Nov 2016 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jul 2016 | 26 Jul 2016 | 000-11757 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2016 | 31 Dec 2015 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2015 | 24 Feb 2015 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2015 | 03 Feb 2015 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2014 | 03 Nov 2014 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2014 | 05 Sep 2014 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2014 | 03 Jun 2014 | 000-11757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2014 | 13 May 2014 | 000-11757 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2014 | 31 Dec 2013 | 000-11757 |