| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 12 May 2025 | 08 May 2025 | 001-08472 |
| 4 | Open Document | Open Filing | 4 | 03 May 2024 | 02 May 2024 | 001-08472 |
| 4 | Open Document | Open Filing | 4 | 09 Jan 2024 | 05 Jan 2024 | 001-08472 |
| 3 | Open Document | Open Filing | 3 | 09 Jan 2024 | 05 Jan 2024 | 001-08472 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Oct 2021 | 01 Oct 2021 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2021 | 14 May 2021 | 000-21918 |
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2021 | 10 May 2021 | 000-21918 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2021 | 30 Apr 2021 | 000-21918 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2021 | 26 Apr 2021 | 000-21918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Apr 2021 | 19 Apr 2021 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Mar 2021 | 17 Mar 2021 | 000-21918 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2021 | 16 Feb 2021 | 000-21918 |
| 4/A | Open Document | Open Filing | FORM 4/A | 14 Dec 2020 | 07 Dec 2020 | 000-21918 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Dec 2020 | 07 Dec 2020 | 000-21918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2020 | 24 Oct 2020 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jun 2020 | 29 Jun 2020 | 000-21918 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2020 | 30 Apr 2020 | 000-21918 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2020 | 27 Apr 2020 | 000-21918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2020 | 23 Apr 2020 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Dec 2019 | 09 Dec 2019 | 000-21918 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2019 | 26 Oct 2019 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2019 | 26 Oct 2019 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Jun 2019 | 26 Jun 2019 | 000-21918 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Apr 2019 | 26 Apr 2019 | 000-21918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2019 | 26 Apr 2019 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2019 | 25 Feb 2019 | 000-21918 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2018 | 06 Dec 2018 | 000-21918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2018 | 27 Oct 2018 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Jun 2018 | 26 Jun 2018 | 000-21918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2018 | 22 Jun 2018 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2018 | 27 Apr 2018 | 000-21918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2018 | 31 Dec 2017 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2017 | 30 Jun 2017 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jun 2017 | 26 Jun 2017 | 000-21918 |
| 3 | Open Document | Open Filing | FORM 3 | 19 Jun 2017 | 19 Jun 2017 | 000-21918 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2017 | 28 Apr 2017 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2017 | 30 Apr 2015 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2017 | 21 Feb 2017 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2016 | 08 Dec 2016 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2016 | 05 Dec 2016 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2016 | 02 Dec 2016 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2016 | 11 Nov 2016 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Oct 2016 | 11 Oct 2016 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2016 | 01 Aug 2016 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2016 | 26 Apr 2016 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Feb 2016 | 26 Feb 2016 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2015 | 08 Dec 2015 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2015 | 04 Dec 2015 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2015 | 02 Jun 2015 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2015 | 12 Mar 2015 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2015 | 27 Feb 2015 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2014 | 09 Dec 2014 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2014 | 05 Dec 2014 | 001-05224 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2014 | 29 Jul 2014 | 001-05224 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2014 | 23 Jul 2014 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2014 | 29 Jul 2014 | 001-05224 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2014 | 23 Jul 2014 | 001-05224 |