| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2021 | 02 Jun 2021 | 001-37836 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2020 | 10 Dec 2020 | 001-06479 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jun 2020 | 26 Jun 2020 | 001-37836 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2020 | 06 Jun 2019 | 001-06479 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2019 | 06 Jun 2019 | 001-37836 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2019 | 06 Jun 2019 | 001-06479 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2019 | 30 May 2019 | 001-06479 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Sep 2018 | 14 Sep 2018 | 001-06479 |
| 3 | Open Document | Open Filing | FORM 3 | 17 Sep 2018 | 14 Sep 2018 | 001-06479 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Aug 2018 | 20 Aug 2018 | 001-37836 |
| 3 | Open Document | Open Filing | FORM 3 | 02 Dec 2016 | 30 Nov 2016 | 001-37836 |
| 3 | Open Document | Open Filing | FORM 3 | 13 Aug 2015 | 03 Aug 2015 | 001-06479 |
| 3 | Open Document | Open Filing | FORM 3 | 12 Nov 2013 | 12 Nov 2013 | 001-36191 |