| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2022 | 25 Feb 2022 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2020 | 13 Mar 2020 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2020 | 27 Feb 2020 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2020 | 24 Feb 2020 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2019 | 28 Feb 2019 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2019 | 18 Feb 2019 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2018 | 28 Dec 2018 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2018 | 01 Mar 2018 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2018 | 19 Feb 2018 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2017 | 24 Feb 2017 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2017 | 20 Feb 2017 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jun 2016 | 30 Jun 2016 | 001-10945 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Mar 2016 | 22 Feb 2016 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2016 | 22 Feb 2016 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2016 | 18 Feb 2016 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2015 | 24 Feb 2015 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2015 | 19 Feb 2015 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2014 | 25 Feb 2014 | 001-10945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | 001-10945 |