| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2026 | 06 Jan 2026 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2026 | 02 Jan 2026 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Dec 2025 | 19 Dec 2025 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Sep 2025 | 19 Sep 2025 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2025 | 25 May 2025 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2025 | 09 Feb 2025 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2025 | 03 Jan 2025 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2024 | 25 May 2024 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2024 | 09 Feb 2024 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jan 2024 | 05 Jan 2024 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Oct 2023 | 16 Oct 2023 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2023 | 20 Jun 2023 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2023 | 25 May 2023 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2023 | 09 Feb 2023 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2023 | 06 Jan 2023 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2022 | 09 Feb 2022 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jun 2021 | 22 Jun 2021 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2020 | 04 Sep 2020 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2020 | 24 Aug 2020 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2020 | 12 Mar 2020 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2019 | 14 Nov 2019 | 000-51122 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2019 | 14 Nov 2019 | 000-51122 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2016 | 31 Aug 2016 | 001-10352 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2016 | 19 Feb 2016 | 001-10352 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 Jun 2016 | 08 Jun 2016 | 000-15006 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Jun 2015 | 10 Jun 2015 | 000-15006 |
| 3 | Open Document | Open Filing | G ELSTON NEW HIRE | 03 Oct 2014 | 01 Oct 2014 | 001-10352 |
| 4 | Open Document | Open Filing | G ELSTON OPTION GRANT | 03 Oct 2014 | 01 Oct 2014 | 001-10352 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Jun 2014 | 04 Jun 2014 | 000-15006 |
| 4 | Open Document | Open Filing | FORM 4 - | 20 Jun 2013 | 19 Jun 2013 | 000-15006 |
| 4 | Open Document | Open Filing | FORM 4 - | 21 Jun 2012 | 20 Jun 2012 | 000-15006 |