| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 06 Jul 2021 | 01 Jul 2021 | 001-37942 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jun 2020 | 17 Jun 2020 | 001-37942 |
| 4/A | Open Document | Open Filing | FORM 4/A | 06 Aug 2019 | 13 Jun 2019 | 001-37942 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jul 2019 | 13 Jun 2019 | 001-37942 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jun 2018 | 14 Jun 2018 | 001-37942 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2018 | 02 Jan 2018 | 001-37942 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jun 2017 | 15 Jun 2017 | 001-37942 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Dec 2016 | 27 Dec 2016 | 001-37942 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Dec 2016 | 14 Dec 2016 | 001-37942 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2016 | 08 Dec 2016 | 001-37942 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Jul 2016 | 21 Jul 2016 | 000-24477 |
| 3/A | Open Document | Open Filing | FORM 3/A | 14 Jan 2016 | 08 Jan 2016 | 000-24477 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jan 2016 | 08 Jan 2016 | 000-24477 |
| 3 | Open Document | Open Filing | FORM 3 | 12 Jan 2016 | 08 Jan 2016 | 000-24477 |