| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 22 Sep 2025 | 21 Sep 2025 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2025 | 30 Apr 2025 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Apr 2025 | 14 Apr 2025 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2025 | 22 Mar 2025 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Mar 2025 | 13 Mar 2025 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2025 | 07 Feb 2025 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Oct 2024 | 09 Oct 2024 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Sep 2024 | 21 Sep 2024 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Apr 2024 | 14 Apr 2024 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2024 | 22 Mar 2024 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2024 | 14 Mar 2024 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Oct 2023 | 09 Oct 2023 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Sep 2023 | 26 Sep 2023 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Sep 2023 | 21 Sep 2023 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Apr 2023 | 14 Apr 2023 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Mar 2023 | 24 Mar 2023 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Mar 2023 | 22 Mar 2023 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2023 | 15 Mar 2023 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Oct 2022 | 09 Oct 2022 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Sep 2022 | 25 Sep 2022 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Sep 2022 | 21 Sep 2022 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Aug 2022 | 25 Aug 2022 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Apr 2022 | 14 Apr 2022 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2022 | 24 Mar 2022 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Mar 2022 | 22 Mar 2022 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2022 | 16 Feb 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 | 25 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 | 26 Mar 2021 | 24 Mar 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 |
| 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 | 03 Oct 2017 | 30 Sep 2017 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Sep 2017 | 13 Sep 2017 | 000-26642 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2017 | 01 Aug 2017 | 000-26642 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jun 2014 | 15 Jun 2014 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2013 | 03 Dec 2013 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2013 | 27 Nov 2013 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Nov 2013 | 26 Nov 2013 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Nov 2013 | 25 Nov 2013 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2013 | 19 Jun 2013 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jun 2013 | 14 Jun 2013 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2013 | 10 Jun 2013 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2012 | 14 Dec 2012 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Oct 2012 | 27 Sep 2012 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jun 2012 | 15 Jun 2012 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2012 | 08 Jun 2012 | 000-19806 |
| 4/A | Open Document | Open Filing | FORM 4/A | 02 May 2012 | 15 Dec 2011 | 000-19806 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2012 | 29 Mar 2012 | 000-19806 |