| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2022 | 31 Mar 2022 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jan 2022 | 17 Jan 2022 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2021 | 31 Mar 2021 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Mar 2021 | 18 Mar 2021 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jan 2021 | 15 Jan 2021 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2020 | 31 Mar 2020 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Mar 2020 | 26 Mar 2020 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2020 | 15 Jan 2020 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Mar 2019 | 26 Mar 2019 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2018 | 15 Jan 2018 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2017 | 15 Jan 2017 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Apr 2016 | 19 Apr 2016 | 000-27140 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Jan 2016 | 15 Jan 2016 | 000-27140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2015 | 01 Jan 2015 | 000-27140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | 000-27140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jan 2014 | 01 Jan 2014 | 000-27140 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Aug 2013 | 27 Aug 2013 | 000-27140 |