| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 18 Jan 2022 | 14 Jan 2022 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Oct 2021 | 09 Oct 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Sep 2021 | 23 Sep 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2021 | 21 Sep 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2021 | 25 Aug 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Aug 2021 | 23 Aug 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Aug 2021 | 05 Aug 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2021 | 03 Aug 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jul 2021 | 12 Jul 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jul 2021 | 09 Jul 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2021 | 07 Jul 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jun 2021 | 28 Jun 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2021 | 25 Jun 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2021 | 04 May 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2021 | 27 Apr 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Mar 2021 | 24 Mar 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2021 | 16 Feb 2021 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Oct 2020 | 08 Oct 2020 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2020 | 30 Sep 2020 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Sep 2020 | 24 Sep 2020 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2020 | 12 Aug 2020 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2019 | 30 Sep 2019 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Sep 2019 | 25 Sep 2019 | 000-26642 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2019 | 30 Jun 2019 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2018 | 30 Sep 2018 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Sep 2018 | 25 Sep 2018 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Sep 2018 | 19 Sep 2018 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2018 | 17 Sep 2018 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jul 2018 | 11 Jul 2018 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2018 | 18 Jun 2018 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2017 | 30 Sep 2017 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2017 | 17 Sep 2017 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Sep 2017 | 13 Sep 2017 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2016 | 30 Sep 2016 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Sep 2016 | 17 Sep 2016 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Sep 2016 | 14 Sep 2016 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2015 | 28 Oct 2015 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2015 | 23 Oct 2015 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2015 | 15 Sep 2015 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2015 | 13 Aug 2015 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2014 | 05 Nov 2014 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jul 2014 | 14 Jul 2014 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2014 | 02 Apr 2014 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2014 | 18 Feb 2014 | 000-26642 |