| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2021 | 18 Jun 2021 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Apr 2021 | 13 Apr 2021 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Apr 2021 | 09 Apr 2021 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Mar 2021 | 14 Mar 2021 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2021 | 26 Feb 2021 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2021 | 04 Jan 2021 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Oct 2020 | 03 Oct 2020 | 001-35883 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 02 Jul 2020 | 18 Jun 2020 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jun 2020 | 18 Jun 2020 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Apr 2020 | 13 Apr 2020 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2020 | 26 Feb 2020 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Oct 2019 | 03 Oct 2019 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jun 2019 | 18 Jun 2019 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Mar 2019 | 14 Mar 2019 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2019 | 28 Feb 2019 | 001-35883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Jun 2018 | 18 Jun 2018 | 001-35883 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 20 Jun 2018 | 18 Jun 2018 | 001-35883 |
| 4 | Open Document | Open Filing | 4 | 01 Feb 2017 | 31 Jan 2017 | 000-54085 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2016 | 16 Mar 2016 | 000-54085 |
| 4 | Open Document | Open Filing | 4 | 20 Mar 2015 | 19 Mar 2015 | 000-54085 |
| 3 | Open Document | Open Filing | 3 | 20 Mar 2015 | 19 Mar 2015 | 000-54085 |