| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 12 May 2021 | 12 May 2021 | 001-37850 | |
| 4 | Open Document | Open Filing | 03 Mar 2021 | 01 Mar 2021 | 001-37850 | |
| 4 | Open Document | Open Filing | 28 May 2020 | 26 May 2020 | 001-37850 | |
| 4 | Open Document | Open Filing | 09 May 2019 | 07 May 2019 | 001-37850 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2018 | 08 May 2018 | 001-37850 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2017 | 09 May 2017 | 001-37850 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | 10 May 2017 | 04 Aug 2016 | 001-37850 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Aug 2016 | 10 Aug 2016 | 001-37850 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 04 Aug 2016 | 04 Aug 2016 | 001-37850 |