| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 03 Nov 2025 | 30 Oct 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | 03 Oct 2025 | 01 Oct 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | 24 Jul 2025 | 23 Jul 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | 03 Jul 2025 | 01 Jul 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | 14 May 2025 | 12 May 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | 06 Jan 2025 | 02 Jan 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | 03 Oct 2024 | 01 Oct 2024 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | 03 Jul 2024 | 01 Jul 2024 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | 03 May 2024 | 01 May 2024 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | 04 Jan 2024 | 02 Jan 2024 | 000-06253 |
| 4 | Open Document | Open Filing | 04 Oct 2023 | 02 Oct 2023 | 000-06253 | |
| 4 | Open Document | Open Filing | 06 Jul 2023 | 03 Jul 2023 | 000-06253 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2023 | 10 May 2023 | 001-08590 |
| 4 | Open Document | Open Filing | 05 May 2023 | 03 May 2023 | 000-06253 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2023 | 01 Feb 2023 | 001-08590 |
| 4 | Open Document | Open Filing | 05 Jan 2023 | 03 Jan 2023 | 000-06253 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2022 | 14 Dec 2022 | 001-08590 |
| 4 | Open Document | Open Filing | 05 Oct 2022 | 03 Oct 2022 | 000-06253 | |
| 4 | Open Document | Open Filing | 06 Jul 2022 | 01 Jul 2022 | 000-06253 | |
| 4 | Open Document | Open Filing | 05 May 2022 | 03 May 2022 | 000-06253 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2022 | 03 Feb 2022 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2022 | 02 Feb 2022 | 001-08590 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2022 | 31 Dec 2021 | 001-08590 |
| 4 | Open Document | Open Filing | 05 Jan 2022 | 03 Jan 2022 | 000-06253 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2021 | 09 Nov 2021 | 001-08590 |
| 4 | Open Document | Open Filing | 05 Oct 2021 | 01 Oct 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | 06 Jul 2021 | 01 Jul 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | 02 Jun 2021 | 28 May 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2021 | 05 Feb 2021 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2021 | 03 Feb 2021 | 001-08590 |
| 4 | Open Document | Open Filing | 06 Jan 2021 | 04 Jan 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | 05 Oct 2020 | 01 Oct 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | 06 Aug 2020 | 04 Aug 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | 02 Jul 2020 | 01 Jul 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | 05 May 2020 | 01 May 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2020 | 24 Feb 2020 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2020 | 05 Feb 2020 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2020 | 31 Jan 2020 | 001-08590 |
| 4 | Open Document | Open Filing | 03 Jan 2020 | 02 Jan 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | 03 Oct 2019 | 01 Oct 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | 03 Jul 2019 | 01 Jul 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | 03 May 2019 | 01 May 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2019 | 14 Feb 2019 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2019 | 06 Feb 2019 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2019 | 01 Feb 2019 | 001-08590 |
| 4 | Open Document | Open Filing | 04 Jan 2019 | 02 Jan 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | 03 Oct 2018 | 01 Oct 2018 | 000-06253 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2018 | 02 Jul 2018 | 001-08590 |
| 4 | Open Document | Open Filing | 03 Jul 2018 | 02 Jul 2018 | 000-06253 | |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2018 | 02 May 2018 | 000-06253 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2018 | 01 May 2018 | 000-06253 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2018 | 14 Feb 2018 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2018 | 07 Feb 2018 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2018 | 02 Feb 2018 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2017 | 06 Nov 2017 | 001-08590 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Oct 2017 | 02 Oct 2017 | 000-06253 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2017 | 05 Jul 2017 | 001-08590 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jul 2017 | 03 Jul 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 May 2017 | 08 May 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 May 2017 | 03 May 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 May 2017 | 01 May 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Apr 2017 | 03 Apr 2017 | 000-06253 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2017 | 03 Feb 2017 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2017 | 01 Feb 2017 | 001-08590 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Jan 2017 | 24 Jan 2017 | 000-06253 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2016 | 01 Jul 2016 | 001-08590 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Jun 2016 | 23 May 2016 | 000-06253 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2016 | 11 Feb 2016 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2016 | 03 Feb 2016 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2015 | 13 Nov 2015 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2015 | 01 Sep 2015 | 001-08590 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Aug 2015 | 07 Aug 2015 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Jul 2015 | 28 Jul 2015 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Jul 2015 | 21 Jul 2015 | 000-06253 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jul 2015 | 01 Jul 2015 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2015 | 04 Feb 2015 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2015 | 30 Jan 2015 | 001-08590 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Nov 2014 | 19 Nov 2014 | 000-06253 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2014 | 14 Nov 2014 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2014 | 12 Nov 2014 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Sep 2014 | 16 Sep 2014 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2014 | 16 Jul 2014 | 001-08590 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 24 Jul 2014 | 22 Jul 2014 | 000-06253 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2014 | 17 Jun 2014 | 001-08590 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 29 May 2014 | 27 May 2014 | 000-06253 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Mar 2014 | 18 Mar 2014 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2014 | 05 Feb 2014 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2014 | 31 Jan 2014 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2014 | 02 Jan 2014 | 001-08590 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2014 | 31 Dec 2013 | 001-08590 |