| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | 11 Feb 2022 | 31 Dec 2021 | 001-36404 | |
| 4 | Open Document | Open Filing | 10 Jan 2022 | 08 Jan 2022 | 001-36404 | |
| 4 | Open Document | Open Filing | 18 Aug 2021 | 16 Aug 2021 | 001-36404 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Feb 2021 | 19 Feb 2021 | 001-36404 |
| 4 | Open Document | Open Filing | 12 May 2020 | 08 May 2020 | 001-36404 | |
| 4 | Open Document | Open Filing | 14 May 2019 | 10 May 2019 | 001-36404 | |
| 4 | Open Document | Open Filing | 25 Jan 2019 | 25 Jan 2019 | 001-36404 | |
| 3 | Open Document | Open Filing | 14 Aug 2018 | 14 Aug 2018 | 000-55924 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 May 2018 | 17 May 2018 | 001-36404 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Jul 2016 | 20 Jul 2016 | 001-36404 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Feb 2016 | 25 Feb 2016 | 001-36404 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Aug 2015 | 09 May 2014 | 001-36404 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Apr 2014 | 08 Apr 2014 | 001-36404 |