| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Dec 2025 | 29 Dec 2025 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jul 2024 | 09 Jul 2024 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jul 2023 | 12 Jul 2023 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jan 2023 | 13 Jan 2023 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2020 | 23 Oct 2020 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Oct 2020 | 02 Oct 2020 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jul 2020 | 17 Jul 2020 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2019 | 29 Oct 2019 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2019 | 18 Jan 2019 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2018 | 03 Oct 2018 | 001-10635 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jul 2018 | 16 Jul 2018 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Dec 2017 | 27 Dec 2017 | 001-10635 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jul 2017 | 05 Jul 2017 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Dec 2016 | 23 Dec 2016 | 001-10635 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jul 2016 | 29 Jun 2016 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2016 | 22 Apr 2016 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2016 | 25 Jan 2016 | 001-10635 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jun 2015 | 30 Jun 2015 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2015 | 28 Apr 2015 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2015 | 30 Mar 2015 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2015 | 27 Jan 2015 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2015 | 15 Jan 2015 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jul 2014 | 24 Jul 2014 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Apr 2014 | 21 Apr 2014 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2014 | 23 Jan 2014 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2013 | 30 Oct 2013 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jul 2013 | 08 Jul 2013 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2013 | 28 Mar 2013 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jan 2013 | 15 Jan 2013 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2012 | 26 Dec 2012 | 001-10635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2012 | 02 Apr 2012 | 001-10635 |
| SC 13G/A | Open Document | Open Filing | KNIGHT 13G/A | 13 Feb 2012 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jan 2012 | 13 Jan 2012 | 001-10635 |