| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jul 2022 | 06 Jul 2022 | 001-36486 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Nov 2021 | 15 Nov 2021 | 001-36486 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Nov 2020 | 16 Nov 2020 | 001-36486 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Nov 2020 | 12 Nov 2020 | 001-36486 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Nov 2019 | 20 Nov 2019 | 001-36486 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Dec 2018 | 10 Dec 2018 | 001-36486 |
| 4 | Open Document | Open Filing | 15 Nov 2018 | 13 Nov 2018 | 001-36486 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Nov 2017 | 15 Nov 2017 | 001-36486 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Nov 2016 | 15 Nov 2016 | 001-36486 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Nov 2015 | 06 Nov 2015 | 001-36486 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | 001-36486 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Oct 2014 | 29 Sep 2014 | 001-36486 |