| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 11 Dec 2025 | 10 Dec 2025 | 001-32598 |
| 144 | Open Document | Open Filing | 10 Dec 2025 | |||
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2025 | 05 May 2025 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Apr 2025 | 23 Apr 2025 | 001-32598 |
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2024 | 08 May 2024 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2024 | 06 May 2024 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Apr 2024 | 24 Apr 2024 | 001-32598 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2024 | 08 Mar 2024 | 001-32598 |
| 144 | Open Document | Open Filing | 08 Mar 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2023 | 08 May 2023 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2023 | 26 Apr 2023 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2023 | 09 May 2022 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2022 | 10 May 2022 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2022 | 27 Apr 2022 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2021 | 01 Nov 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Sep 2021 | 22 Sep 2021 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Aug 2021 | 04 Aug 2021 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2021 | 10 May 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2021 | 05 May 2021 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2021 | 29 Apr 2021 | 001-32598 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Apr 2021 | 09 Apr 2021 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2020 | 05 May 2020 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2020 | 29 Apr 2020 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Aug 2019 | 21 Aug 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2019 | 06 May 2019 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2019 | 01 May 2019 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2018 | 09 May 2018 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2018 | 07 May 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Mar 2018 | 14 Mar 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Mar 2018 | 14 Mar 2018 | 000-18032 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Mar 2018 | 14 Mar 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2017 | 24 May 2017 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2017 | 16 May 2017 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Aug 2016 | 22 Aug 2016 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2016 | 17 May 2016 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2015 | 30 Apr 2015 | 001-32598 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2015 | 30 Apr 2015 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2014 | 31 Dec 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2013 | 06 Dec 2013 | 000-19528 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2013 | 25 Nov 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Nov 2013 | 25 Nov 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2013 | 21 Nov 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2013 | 20 Nov 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2013 | 11 Nov 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2013 | 08 Nov 2013 | 000-19528 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2013 | 29 Sep 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2013 | 29 Sep 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2013 | 20 Sep 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Sep 2013 | 10 Sep 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2013 | 06 Sep 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2013 | 10 Aug 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jul 2013 | 26 Jul 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2013 | 28 Feb 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2013 | 31 Jan 2013 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2013 | 31 Dec 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2012 | 11 Nov 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2012 | 08 Nov 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2012 | 11 Oct 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2012 | 14 Aug 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2012 | 10 Aug 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2012 | 27 Jul 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2012 | 11 Apr 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2012 | 14 Mar 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2012 | 17 Feb 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2012 | 13 Feb 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2012 | 01 Feb 2012 | 000-19528 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2012 | 31 Dec 2011 | 000-19528 |