| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2025 | 13 Nov 2025 | 001-15817 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2025 | 31 Dec 2024 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Dec 2024 | 09 Jun 2023 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2024 | 14 Nov 2024 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2023 | 15 Nov 2023 | 001-15817 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Sep 2023 | 11 Sep 2023 | 000-20572 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2022 | 14 Nov 2022 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2022 | 14 Nov 2022 | 001-15817 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Sep 2022 | 12 Sep 2022 | 000-20572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2022 | 15 Feb 2022 | 001-39320 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2022 | 15 Feb 2022 | 001-15817 |
| 3 | Open Document | Open Filing | FORM 3 | 17 Feb 2022 | 15 Feb 2022 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jan 2022 | 19 Jan 2022 | 001-39320 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Oct 2021 | 20 Oct 2021 | 001-39320 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Sep 2021 | 13 Sep 2021 | 000-20572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2021 | 21 Jul 2021 | 001-39320 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2021 | 22 Apr 2021 | 001-39320 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Apr 2021 | 01 Apr 2021 | 000-50194 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2021 | 28 Jan 2021 | 001-39320 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2020 | 22 Oct 2020 | 001-39320 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Sep 2020 | 14 Sep 2020 | 000-20572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2020 | 23 Jul 2020 | 001-39320 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2020 | 17 Jun 2020 | 001-39320 |
| 4 | Open Document | Open Filing | 28 May 2020 | 27 May 2020 | 000-50194 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2020 | 11 May 2020 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2020 | 23 Jan 2020 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2019 | 24 Oct 2019 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Sep 2019 | 16 Sep 2019 | 000-20572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jul 2019 | 25 Jul 2019 | 000-10967 |
| 4 | Open Document | Open Filing | 23 May 2019 | 22 May 2019 | 000-50194 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2019 | 25 Apr 2019 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2019 | 24 Jan 2019 | 000-10967 |
| 4 | Open Document | Open Filing | 06 Dec 2018 | 03 Dec 2018 | 000-50194 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2018 | 25 Oct 2018 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Sep 2018 | 17 Sep 2018 | 000-20572 |
| 4 | Open Document | Open Filing | 10 Sep 2018 | 07 Sep 2018 | 000-50194 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2018 | 26 Jul 2018 | 000-10967 |
| 4 | Open Document | Open Filing | 25 May 2018 | 23 May 2018 | 000-50194 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2018 | 26 Apr 2018 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2018 | 31 Jan 2018 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2017 | 26 Oct 2017 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Sep 2017 | 18 Sep 2017 | 000-20572 |
| 4 | Open Document | Open Filing | 22 Aug 2017 | 21 Aug 2017 | 000-50194 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2017 | 27 Jul 2017 | 000-10967 |
| 4 | Open Document | Open Filing | 13 Jun 2017 | 09 Jun 2017 | 000-50194 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2017 | 27 Apr 2017 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2017 | 03 Mar 2017 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2017 | 02 Mar 2017 | 000-20572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2017 | 26 Jan 2017 | 000-10967 |
| 4 | Open Document | Open Filing | 14 Nov 2016 | 11 Nov 2016 | 000-50194 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Oct 2016 | 20 Oct 2016 | 000-10967 |
| 4 | Open Document | Open Filing | 16 Sep 2016 | 14 Sep 2016 | 000-50194 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Sep 2016 | 09 Sep 2016 | 000-20572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jul 2016 | 21 Jul 2016 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Apr 2016 | 21 Apr 2016 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2016 | 28 Jan 2016 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Nov 2015 | 11 Nov 2015 | 000-50194 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2015 | 22 Oct 2015 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Sep 2015 | 01 Sep 2015 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Sep 2015 | 11 Sep 2015 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Aug 2015 | 11 Aug 2015 | 000-50194 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2015 | 23 Jul 2015 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 Dec 2014 | 08 Dec 2014 | 000-50194 |
| 4 | Open Document | Open Filing | FORM 4 - | 01 Dec 2014 | 26 Nov 2014 | 000-50194 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Nov 2014 | 12 Nov 2014 | 000-50194 |
| 4 | Open Document | Open Filing | FM4EAR_09-08-2014 | 10 Sep 2014 | 08 Sep 2014 | 000-20572 |
| 4 | Open Document | Open Filing | FM4EAR_09-04-2014 | 04 Sep 2014 | 04 Sep 2014 | 000-20572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2014 | 19 Feb 2014 | 000-10967 |