| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2021 | 30 Aug 2021 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2021 | 10 May 2021 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Mar 2021 | 22 Mar 2021 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2021 | 11 Mar 2021 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2021 | 18 Feb 2021 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2021 | 12 Feb 2021 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2021 | 12 Jan 2021 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2020 | 09 Nov 2020 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2020 | 27 Aug 2020 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2020 | 25 Aug 2020 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2020 | 03 Jun 2020 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2020 | 08 May 2020 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Mar 2020 | 20 Mar 2020 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2020 | 13 Feb 2020 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2019 | 07 Nov 2019 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2019 | 04 Nov 2019 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jun 2019 | 20 Jun 2019 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2019 | 08 May 2019 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2019 | 06 May 2019 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Mar 2019 | 28 Mar 2019 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2018 | 08 May 2018 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2018 | 04 May 2018 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2018 | 09 Feb 2018 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2018 | 31 Dec 2017 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2017 | 02 Jun 2017 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2017 | 09 May 2017 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2017 | 08 May 2017 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2017 | 04 May 2017 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Mar 2017 | 29 Mar 2017 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2017 | 10 Feb 2017 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2017 | 31 Dec 2016 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2016 | 09 May 2016 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2016 | 06 May 2016 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2016 | 04 May 2016 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2016 | 02 May 2016 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2016 | 03 Feb 2016 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Dec 2015 | 31 Dec 2015 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2015 | 14 May 2015 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2015 | 13 May 2015 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2015 | 08 May 2015 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2015 | 06 May 2015 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2015 | 04 May 2015 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2015 | 01 May 2015 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2015 | 04 Feb 2015 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Dec 2014 | 31 Dec 2014 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2014 | 08 May 2014 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2014 | 05 May 2014 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2014 | 01 May 2014 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2014 | 04 Mar 2014 | 001-12981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2014 | 05 Feb 2014 | 001-12981 |