| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 01 Apr 2022 | 30 Mar 2022 | 001-35817 | |
| 4 | Open Document | Open Filing | 01 Apr 2021 | 30 Mar 2021 | 001-35817 | |
| 4 | Open Document | Open Filing | 19 Aug 2019 | 23 Jul 2019 | 001-35817 | |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2017 | 28 Sep 2017 | 001-35817 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2017 | 07 Jun 2017 | 001-35817 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Oct 2016 | 11 Oct 2016 | 001-35817 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2016 | 17 Mar 2016 | 001-35817 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2015 | 14 May 2015 | 001-35817 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Dec 2014 | 11 Dec 2014 | 001-35817 |
| 3 | Open Document | Open Filing | FORM 3 | 11 Dec 2014 | 08 Dec 2014 | 001-35817 |