| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2021 | 02 Jun 2021 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2021 | 04 Mar 2021 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2021 | 28 Feb 2021 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2021 | 22 Feb 2021 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2020 | 05 Mar 2020 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2020 | 19 Feb 2020 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2019 | 05 Mar 2019 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2019 | 19 Feb 2019 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2019 | 04 Feb 2019 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2018 | 05 Mar 2018 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2018 | 28 Feb 2018 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2018 | 21 Feb 2018 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2018 | 05 Feb 2018 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2017 | 28 Feb 2017 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2017 | 22 Feb 2017 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2017 | 06 Feb 2017 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2016 | 15 Dec 2016 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2016 | 28 Feb 2016 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2016 | 22 Feb 2016 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2015 | 28 Feb 2015 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2015 | 23 Feb 2015 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2014 | 31 Jul 2014 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2014 | 28 Feb 2014 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2014 | 24 Feb 2014 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2014 | 15 Feb 2014 | 001-05998 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2014 | 01 Jan 2014 | 001-05998 |