| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 21 Dec 2021 | 17 Dec 2021 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Oct 2019 | 04 Oct 2019 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2019 | 01 Oct 2019 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2019 | 02 Jan 2019 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jan 2018 | 26 Jan 2018 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2017 | 18 May 2017 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Feb 2017 | 24 Feb 2017 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2016 | 30 Sep 2016 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2016 | 20 May 2016 | 001-37468 |
| 3 | Open Document | Open Filing | FORM 3 | 11 Apr 2016 | 04 Apr 2016 | 001-37468 |