| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2025 | 14 May 2025 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2024 | 16 Dec 2024 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Nov 2024 | 19 Nov 2024 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2024 | 08 Nov 2024 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Nov 2024 | 05 Nov 2024 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Sep 2024 | 06 Sep 2024 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2024 | 09 Feb 2024 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2023 | 14 Dec 2023 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2023 | 08 Nov 2023 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Nov 2023 | 03 Nov 2023 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Nov 2022 | 08 Nov 2022 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Nov 2022 | 07 Nov 2022 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Nov 2022 | 03 Nov 2022 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Nov 2021 | 05 Nov 2021 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Nov 2021 | 03 Nov 2021 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Sep 2021 | 10 Sep 2021 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Sep 2021 | 30 Aug 2021 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2021 | 13 May 2021 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Nov 2020 | 05 Nov 2020 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2020 | 11 Sep 2020 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Sep 2020 | 31 Aug 2020 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Nov 2019 | 06 Nov 2019 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Sep 2019 | 13 Sep 2019 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2019 | 06 Feb 2019 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2018 | 06 Nov 2018 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2018 | 30 Aug 2018 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Aug 2018 | 28 Aug 2018 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2018 | 29 May 2018 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2018 | 21 Feb 2018 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2017 | 06 Nov 2017 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2017 | 31 Oct 2017 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2017 | 15 Sep 2017 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2017 | 29 Aug 2017 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2017 | 23 May 2017 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2017 | 02 Feb 2017 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2016 | 23 Nov 2016 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2016 | 07 Nov 2016 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2016 | 31 Oct 2016 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Sep 2016 | 16 Sep 2016 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2016 | 02 May 2016 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Mar 2016 | 02 Feb 2016 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2015 | 02 Nov 2015 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Sep 2015 | 11 Sep 2015 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2015 | 09 Mar 2015 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2014 | 31 Oct 2014 | 000-26841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2014 | 03 Feb 2014 | 000-26841 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2014 | 13 Dec 2013 | 000-26841 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Sep 2013 | 12 Sep 2013 | 000-20660 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Aug 2013 | 20 Aug 2013 | 000-20660 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Aug 2013 | 16 Aug 2013 | 000-20660 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Aug 2013 | 14 Aug 2013 | 000-20660 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2013 | 07 Jun 2013 | 000-20660 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2013 | 29 May 2013 | 000-20660 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2013 | 21 May 2012 | 000-20660 |