| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Oct 2021 | 01 Oct 2021 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2020 | 10 Dec 2020 | 001-31446 |
| 4 | Open Document | Open Filing | 4 | 03 Dec 2020 | 01 Dec 2020 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2020 | 11 Mar 2020 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2019 | 05 Dec 2019 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Dec 2019 | 01 Dec 2019 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2018 | 06 Dec 2018 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2017 | 07 Dec 2017 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2016 | 12 Dec 2016 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2016 | 08 Dec 2016 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2016 | 05 Dec 2016 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Aug 2016 | 23 Aug 2016 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2015 | 09 Dec 2015 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2015 | 15 May 2015 | 001-31446 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Dec 2014 | 10 Dec 2014 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2014 | 10 Dec 2014 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2014 | 22 May 2014 | 001-31446 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2014 | 03 Jan 2014 | 001-31446 |