| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2025 | 15 Dec 2025 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2025 | 28 Feb 2025 | 000-16106 |
| SCHEDULE 13G/A | Open Document | Open Filing | 12 Feb 2025 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2024 | 05 Dec 2024 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2024 | 23 May 2024 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2024 | 23 Feb 2024 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 08 Feb 2024 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2023 | 24 Feb 2023 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 07 Feb 2023 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2023 | 07 Feb 2023 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2022 | 25 Feb 2022 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2022 | 09 Feb 2022 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | FORM SC 13G/A | 03 Feb 2022 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2021 | 26 Feb 2021 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2021 | 10 Feb 2021 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 04 Feb 2021 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2020 | 10 Feb 2020 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 31 Jan 2020 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2019 | 13 Nov 2019 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2019 | 22 Feb 2019 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 07 Feb 2019 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2018 | 02 May 2018 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2018 | 23 Feb 2018 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 02 Feb 2018 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2017 | 01 Aug 2017 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2017 | 11 May 2017 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2017 | 24 Feb 2017 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 08 Feb 2017 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2017 | 31 Jan 2017 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2016 | 16 Aug 2016 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2016 | 13 May 2016 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Feb 2016 | 26 Feb 2016 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2016 | 05 Feb 2016 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 04 Feb 2016 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Nov 2015 | 25 Nov 2015 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2015 | 20 Aug 2015 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2015 | 04 Aug 2015 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2015 | 29 Apr 2015 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2015 | 20 Feb 2015 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2015 | 18 Feb 2015 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 04 Feb 2015 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2014 | 28 Nov 2014 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2014 | 31 Jul 2014 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2014 | 07 May 2014 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2014 | 29 Apr 2014 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Apr 2014 | 25 Apr 2014 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2014 | 27 Feb 2014 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2014 | 21 Feb 2014 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2014 | 10 Feb 2014 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 07 Feb 2014 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2013 | 27 Nov 2013 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Aug 2013 | 21 Aug 2013 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2013 | 30 Jul 2013 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2013 | 30 Apr 2013 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2013 | 22 Feb 2013 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 05 Feb 2013 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2012 | 14 Nov 2012 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2012 | 31 Aug 2012 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2012 | 24 May 2012 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2012 | 01 May 2012 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2012 | 24 Feb 2012 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2012 | 31 Jan 2012 | 000-16106 |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 31 Jan 2012 |