| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2022 | 01 Apr 2022 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2022 | 27 Jan 2022 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2021 | 25 Feb 2021 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2020 | 28 Feb 2020 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2019 | 07 Mar 2019 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2018 | 22 Feb 2018 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2017 | 23 Feb 2017 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2016 | 25 Feb 2016 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2015 | 03 Aug 2015 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2015 | 03 Feb 2015 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Apr 2014 | 14 Sep 2011 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2014 | 07 Mar 2014 | 000-23325 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2014 | 04 Feb 2014 | 000-23325 |