| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2025 | 03 Dec 2025 | 000-16255 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Nov 2025 | 30 Oct 2025 | 001-07635 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Aug 2025 | 01 Aug 2025 | 001-07635 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2025 | 01 Feb 2025 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2024 | 09 Dec 2024 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2024 | 03 Dec 2024 | 000-16255 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2024 | 31 Oct 2024 | 001-07635 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2024 | 01 Aug 2024 | 001-07635 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2024 | 01 May 2024 | 001-07635 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Feb 2024 | 01 Feb 2024 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2023 | 08 Dec 2023 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2023 | 06 Dec 2023 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2023 | 04 Dec 2023 | 000-16255 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2023 | 01 Nov 2023 | 001-07635 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Oct 2023 | 26 Oct 2023 | 001-07635 |
| 144 | Open Document | Open Filing | 13 Sep 2023 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Sep 2023 | 13 Sep 2023 | 000-16255 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Aug 2023 | 01 Aug 2023 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2023 | 13 Jun 2023 | 000-16255 |
| 144 | Open Document | Open Filing | 12 Jun 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2023 | 01 May 2023 | 001-07635 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2023 | 01 Feb 2023 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2022 | 06 Dec 2022 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2022 | 04 Dec 2022 | 000-16255 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2022 | 01 Nov 2022 | 001-07635 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2022 | 27 Oct 2022 | 001-07635 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Aug 2022 | 01 Aug 2022 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2022 | 28 Mar 2022 | 000-16255 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2022 | 01 Feb 2022 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2021 | 06 Dec 2021 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2021 | 01 Nov 2021 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Oct 2021 | 28 Oct 2021 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2021 | 02 Aug 2021 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2021 | 12 Feb 2021 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jan 2021 | 15 Jan 2021 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2020 | 08 Dec 2020 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2020 | 06 Dec 2020 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2020 | 29 Oct 2020 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2020 | 18 Sep 2020 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2019 | 04 Dec 2019 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Dec 2019 | 01 Dec 2019 | 000-16255 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2019 | 27 Sep 2019 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2019 | 31 Oct 2019 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Aug 2019 | 09 Aug 2019 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2019 | 10 May 2019 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2019 | 08 Feb 2019 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2018 | 04 Dec 2018 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Dec 2018 | 02 Dec 2018 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2018 | 25 Oct 2018 | 001-07635 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2018 | 28 Sep 2018 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2018 | 11 May 2018 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2018 | 08 Jan 2018 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2017 | 06 Dec 2017 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2017 | 01 Dec 2017 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2017 | 26 Oct 2017 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Sep 2017 | 27 Sep 2017 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2017 | 15 Feb 2017 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2016 | 06 Dec 2016 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2016 | 02 Dec 2016 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2016 | 28 Oct 2016 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Sep 2016 | 07 Sep 2016 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Aug 2016 | 10 Aug 2016 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2016 | 29 Jul 2016 | 001-07635 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2016 | 29 Jul 2016 | 001-07635 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2015 | 03 Dec 2015 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2015 | 07 Dec 2015 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Dec 2015 | 01 Dec 2015 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2015 | 30 Nov 2015 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2015 | 14 Aug 2015 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jun 2015 | 23 Jun 2015 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2015 | 12 Feb 2015 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2014 | 05 Dec 2014 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2014 | 02 Dec 2014 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2014 | 26 Aug 2014 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2014 | 08 Jan 2014 | 000-16255 |