| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2021 | 03 Jun 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2020 | 03 Jun 2020 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2019 | 02 Jun 2019 | 001-36331 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jun 2018 | 05 Jun 2018 | 001-36331 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2018 | 16 Feb 2018 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Dec 2017 | 04 Dec 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Nov 2017 | 16 Nov 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Nov 2017 | 02 Nov 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Aug 2017 | 23 Aug 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Aug 2017 | 16 Aug 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Aug 2017 | 29 Jul 2017 | 001-38017 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jun 2017 | 05 Jun 2017 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2017 | 01 Mar 2017 | 001-38017 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 01 Mar 2017 | 01 Mar 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jun 2016 | 08 Jun 2016 | 001-36331 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2015 | 11 Jun 2015 | 001-36331 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2015 | 11 Jun 2015 | 001-36331 |