| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Jun 2023 | 07 Jun 2023 | 001-36845 |
| 4 | Open Document | Open Filing | 14 Feb 2023 | 10 Feb 2023 | 001-36845 | |
| 4 | Open Document | Open Filing | 04 Jan 2022 | 31 Dec 2021 | 001-36845 | |
| 4 | Open Document | Open Filing | FORM 4 | 14 Sep 2020 | 10 Sep 2020 | 001-36845 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Sep 2019 | 26 Sep 2019 | 001-36845 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2018 | 05 Jun 2018 | 001-36845 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Sep 2017 | 22 Sep 2017 | 001-36845 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2016 | 17 Jun 2016 | 001-36845 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2016 | 28 Apr 2016 | 001-36845 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 May 2015 | 12 May 2015 | 001-36845 |
| 3 | Open Document | Open Filing | FORM 3 - | 14 May 2015 | 12 May 2015 | 001-36845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2014 | 12 Feb 2014 | 000-09165 |