| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | 001-12431 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2021 | 04 Jan 2021 | 001-12431 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2020 | 02 Jan 2020 | 001-12431 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2019 | 20 Feb 2019 | 001-12431 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2019 | 02 Jan 2019 | 001-12431 |
| 4/A | Open Document | Open Filing | FORM 4/A | 02 Jan 2019 | 21 Dec 2018 | 001-12431 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Dec 2018 | 21 Dec 2018 | 001-12431 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2018 | 09 Mar 2018 | 001-12431 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2018 | 02 Jan 2018 | 001-12431 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2017 | 03 Jan 2017 | 001-12431 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2016 | 01 Nov 2016 | 001-12431 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2016 | 01 Nov 2016 | 001-12431 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jul 2016 | 28 Jul 2016 | 001-12431 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2016 | 05 Jan 2016 | 001-12431 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2015 | 02 Jan 2015 | 001-12431 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2014 | 02 Sep 2014 | 001-12431 |