| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Oct 2022 | 11 Oct 2022 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2022 | 25 Apr 2022 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Oct 2021 | 12 Oct 2021 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Sep 2021 | 29 Sep 2021 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Apr 2021 | 14 Apr 2021 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2021 | 31 Mar 2021 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2021 | 07 Jan 2021 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2020 | 02 Nov 2020 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Oct 2020 | 06 Oct 2020 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2020 | 11 Feb 2020 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jan 2020 | 14 Jan 2020 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2019 | 15 Oct 2019 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2019 | 11 Oct 2019 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jul 2019 | 25 Jul 2019 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2019 | 01 May 2019 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2019 | 19 Feb 2019 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2018 | 01 Nov 2018 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2018 | 30 Aug 2018 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jul 2018 | 23 Jul 2018 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2018 | 07 May 2018 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2018 | 27 Mar 2018 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2018 | 26 Mar 2018 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2018 | 21 Feb 2018 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2017 | 31 Oct 2017 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2017 | 27 Oct 2017 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Oct 2017 | 04 Oct 2017 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Sep 2017 | 25 Sep 2017 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2017 | 08 Aug 2017 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2017 | 27 Apr 2017 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2017 | 04 Jan 2017 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2016 | 14 Nov 2016 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2016 | 09 Nov 2016 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2016 | 29 Sep 2016 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2016 | 29 Sep 2016 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Mar 2016 | 24 Mar 2016 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Oct 2015 | 08 Oct 2015 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Sep 2015 | 22 Sep 2015 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jul 2015 | 22 Jul 2015 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2015 | 19 Feb 2015 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2014 | 01 Oct 2014 | 000-17988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jul 2014 | 24 Jul 2014 | 000-17988 |