| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2025 | 14 May 2025 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2024 | 14 May 2024 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2024 | 10 May 2024 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 May 2023 | 10 May 2023 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2022 | 11 May 2022 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Aug 2021 | 05 Aug 2021 | 001-39675 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 May 2021 | 12 May 2021 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 May 2021 | 06 May 2021 | 001-05560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2021 | 01 Mar 2021 | 001-14465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Nov 2020 | 02 Nov 2020 | 001-39675 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 29 Oct 2020 | 29 Oct 2020 | 001-39675 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Aug 2020 | 03 Aug 2020 | 001-05560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2020 | 03 Aug 2020 | 001-14465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2020 | 06 May 2020 | 001-05560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 02 Mar 2020 | 001-14465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2020 | 25 Feb 2020 | 001-14465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2019 | 08 May 2019 | 001-05560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2019 | 01 Mar 2019 | 001-14465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2018 | 03 Aug 2018 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2018 | 14 Jun 2018 | 001-14465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2018 | 09 May 2018 | 001-05560 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2018 | 08 May 2017 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2018 | 01 Mar 2018 | 001-14465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Dec 2017 | 15 Dec 2017 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2017 | 15 Nov 2017 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Oct 2017 | 16 Oct 2017 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2017 | 15 Sep 2017 | 000-17795 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Sep 2017 | 06 Sep 2017 | 001-05560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2017 | 15 Aug 2017 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2017 | 28 Jul 2017 | 000-17795 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2017 | 05 Jun 2017 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 May 2017 | 10 May 2017 | 001-05560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2017 | 08 May 2017 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2017 | 01 Mar 2017 | 001-14465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Aug 2016 | 16 Aug 2016 | 000-23298 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jul 2016 | 26 Jul 2016 | 000-17795 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2016 | 03 Jun 2016 | 000-23298 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2016 | 11 May 2016 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2016 | 29 Apr 2016 | 000-23298 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Apr 2016 | 01 Apr 2016 | 000-23298 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | 001-14465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Sep 2015 | 10 Sep 2015 | 000-23298 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2015 | 19 Aug 2015 | 000-23298 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2015 | 29 Jul 2015 | 000-17795 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 May 2015 | 19 May 2015 | 001-05560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2015 | 29 Apr 2015 | 000-23298 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Apr 2015 | 17 Oct 2013 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | 001-14465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2014 | 22 Aug 2014 | 000-23298 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2014 | 28 Jul 2014 | 000-17795 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2014 | 06 May 2014 | 001-05560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2014 | 29 Apr 2014 | 000-23298 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2014 | 03 Mar 2014 | 001-14465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Jan 2014 | 13 Jan 2014 | 001-05560 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 15 Jan 2014 | 06 Jan 2014 | 001-05560 |