| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2022 | 14 Mar 2022 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2022 | 13 Mar 2022 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2021 | 03 Dec 2021 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2021 | 02 Jun 2021 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2021 | 13 Mar 2021 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2020 | 03 Dec 2020 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2020 | 13 Mar 2020 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2019 | 03 Dec 2019 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2019 | 24 Mar 2019 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2019 | 14 Mar 2019 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Mar 2018 | 24 Mar 2018 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2018 | 14 Mar 2018 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2018 | 13 Mar 2018 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Sep 2017 | 01 Sep 2017 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2017 | 24 Mar 2017 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2017 | 14 Mar 2017 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2017 | 13 Mar 2017 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2016 | 24 Mar 2016 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2016 | 13 Mar 2016 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2015 | 13 Mar 2015 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2014 | 04 Dec 2014 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2014 | 01 Jul 2014 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2014 | 14 Mar 2014 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2014 | 14 Mar 2014 | 001-12911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2014 | 11 Mar 2014 | 001-12911 |