| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Dec 2025 | 11 Dec 2025 | 000-26770 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2025 | 03 Mar 2025 | 000-26770 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2025 | 01 Mar 2025 | 000-26770 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2024 | 11 Dec 2024 | 000-26770 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Mar 2024 | 01 Mar 2024 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Dec 2023 | 11 Dec 2023 | 000-26770 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 13 Dec 2023 | 11 Dec 2023 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2022 | 16 Jun 2022 | 001-35803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2020 | 17 Dec 2020 | 001-35803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2020 | 01 Apr 2020 | 001-35803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2020 | 01 Feb 2020 | 001-35803 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2019 | 01 Apr 2019 | 001-35803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2019 | 01 Apr 2019 | 001-35803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2019 | 01 Feb 2019 | 001-35803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2018 | 02 Apr 2018 | 001-35803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2018 | 01 Feb 2018 | 001-35803 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2018 | 01 Feb 2018 | 001-35803 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Jan 2018 | 03 Jan 2018 | 001-31918 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Jan 2017 | 03 Jan 2017 | 001-31918 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 May 2016 | 12 May 2016 | 001-31918 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Jan 2016 | 06 Jan 2016 | 001-31918 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jul 2015 | 29 Jun 2015 | 001-31918 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 01 Jul 2015 | 29 Jun 2015 | 001-31918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2014 | 18 Nov 2014 | 001-36214 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | 001-36214 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2014 | 07 Nov 2014 | 001-36214 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2014 | 06 Aug 2014 | 001-36214 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | 001-36214 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2014 | 07 Mar 2014 | 001-36214 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Nov 2013 | 18 Nov 2013 | 000-18281 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2013 | 14 Nov 2013 | 000-18281 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2013 | 08 Nov 2013 | 000-18281 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2013 | 08 Aug 2013 | 000-18281 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2013 | 06 Aug 2013 | 000-18281 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2013 | 28 Jun 2013 | 000-18281 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2013 | 09 Jan 2013 | 000-18281 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2012 | 13 Nov 2012 | 000-18281 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2012 | 09 Nov 2012 | 000-18281 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2012 | 06 Aug 2012 | 000-18281 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2012 | 08 Jun 2012 | 000-18281 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2012 | 10 Jan 2012 | 000-18281 |