| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2022 | 07 Jan 2022 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2021 | 31 Jul 2021 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2021 | 17 May 2021 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Apr 2021 | 15 Apr 2021 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2021 | 01 Apr 2021 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2021 | 03 Feb 2021 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2021 | 07 Jan 2021 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2020 | 25 Aug 2020 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2020 | 15 Apr 2020 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2020 | 01 Apr 2020 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2020 | 02 Jan 2020 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2019 | 15 Apr 2019 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2019 | 01 Apr 2019 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2019 | 02 Jan 2019 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Apr 2018 | 16 Apr 2018 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2018 | 02 Apr 2018 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2018 | 02 Jan 2018 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2017 | 14 Jun 2017 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Apr 2017 | 17 Apr 2017 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2017 | 31 Mar 2017 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2017 | 17 Feb 2017 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2017 | 06 Feb 2017 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2017 | 03 Jan 2017 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2016 | 22 Nov 2016 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2016 | 11 Nov 2016 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2016 | 24 Oct 2016 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2016 | 15 Aug 2016 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2016 | 28 Jul 2016 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2016 | 31 May 2016 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2016 | 29 Apr 2016 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Apr 2016 | 18 Apr 2016 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2016 | 31 Mar 2016 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2016 | 05 Feb 2016 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2016 | 04 Jan 2016 | 001-03247 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2015 | 29 May 2015 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2015 | 29 May 2015 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2015 | 30 Apr 2015 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2015 | 31 Mar 2015 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2015 | 17 Feb 2015 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2015 | 09 Feb 2015 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2015 | 05 Feb 2015 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2015 | 02 Jan 2015 | 001-03247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2014 | 30 May 2014 | 001-03247 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2014 | 01 May 2014 | 001-03247 |