| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2023 | 19 May 2023 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2023 | 01 Mar 2023 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2022 | 07 Mar 2022 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2022 | 01 Mar 2022 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2021 | 07 Mar 2021 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2021 | 01 Mar 2021 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2020 | 07 Mar 2020 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 01 Mar 2020 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2019 | 20 Nov 2019 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2019 | 07 Mar 2019 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2019 | 01 Mar 2019 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2018 | 20 Nov 2018 | 001-13646 |
| 4/A | Open Document | Open Filing | FORM 4/A | 06 Apr 2018 | 01 Mar 2018 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2018 | 01 Mar 2018 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2018 | 27 Feb 2018 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Nov 2017 | 20 Nov 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2017 | 01 Mar 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Feb 2017 | 24 Feb 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Nov 2016 | 20 Nov 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2016 | 08 Jun 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2016 | 01 Mar 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2016 | 10 Feb 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2015 | 20 Nov 2015 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Mar 2015 | 26 Feb 2015 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2014 | 20 Nov 2014 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2013 | 20 Nov 2013 | 001-13646 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jun 2013 | 07 Jun 2013 | 001-13646 |