| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 22 Jun 2021 | 17 Jun 2021 | 001-37752 |
| 4 | Open Document | Open Filing | 17 Mar 2021 | 15 Mar 2021 | 001-37752 | |
| 4 | Open Document | Open Filing | 22 Jun 2020 | 19 Jun 2020 | 001-37752 | |
| 4 | Open Document | Open Filing | 24 Jun 2019 | 21 Jun 2019 | 001-37752 | |
| 4 | Open Document | Open Filing | 12 Mar 2019 | 11 Mar 2019 | 001-37752 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Nov 2018 | 02 Nov 2018 | 000-50791 |
| 4 | Open Document | Open Filing | 26 Jun 2018 | 22 Jun 2018 | 001-37752 | |
| 4 | Open Document | Open Filing | FORM 4 | 25 May 2018 | 24 May 2018 | 000-50791 |
| 4 | Open Document | Open Filing | 03 Jul 2017 | 20 Jun 2017 | 001-37752 | |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2017 | 11 May 2017 | 000-50791 |
| 4 | Open Document | Open Filing | 18 Nov 2016 | 16 Nov 2016 | 001-37752 | |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2016 | 20 May 2016 | 000-50791 |
| 4 | Open Document | Open Filing | 07 Jul 2015 | 06 Jul 2015 | 000-53290 | |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2015 | 20 May 2015 | 000-50791 |
| 4 | Open Document | Open Filing | 27 Jun 2014 | 18 Jun 2014 | 000-53290 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jun 2014 | 09 Jun 2014 | 000-50791 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 May 2014 | 29 May 2014 | 000-50791 |
| 4 | Open Document | Open Filing | 23 Jan 2014 | 21 Jan 2014 | 000-53290 |