| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 28 Feb 2024 | 27 Feb 2024 | 000-50070 | |
| 4 | Open Document | Open Filing | 23 May 2023 | 23 May 2023 | 000-50070 | |
| 4 | Open Document | Open Filing | 27 Feb 2023 | 22 Feb 2023 | 000-50070 | |
| 4 | Open Document | Open Filing | 02 Jun 2022 | 02 Jun 2022 | 000-50070 | |
| 4 | Open Document | Open Filing | FORM 4 - | 24 Feb 2022 | 23 Feb 2022 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Jun 2021 | 07 Jun 2021 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 25 Feb 2021 | 24 Feb 2021 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Mar 2020 | 26 Feb 2020 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Apr 2019 | 01 Apr 2019 | 001-36551 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Mar 2019 | 20 Mar 2019 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Mar 2019 | 26 Feb 2019 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 28 Feb 2018 | 26 Feb 2018 | 000-50070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2017 | 03 Mar 2017 | 001-36551 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Mar 2017 | 02 Mar 2017 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 27 Feb 2017 | 22 Feb 2017 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Mar 2016 | 04 Mar 2016 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 Feb 2016 | 23 Feb 2016 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Dec 2015 | 10 Dec 2015 | 001-36551 |
| 4/A | Open Document | Open Filing | FORM 4/A | 13 Oct 2015 | 07 Oct 2015 | 001-36551 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Oct 2015 | 07 Oct 2015 | 001-36551 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Aug 2015 | 10 Aug 2015 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 27 Feb 2015 | 24 Feb 2015 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jul 2014 | 22 Jul 2014 | 001-36551 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jul 2014 | 21 Jul 2014 | 001-36551 |
| 3 | Open Document | Open Filing | FORM 3 | 17 Jul 2014 | 17 Jul 2014 | 001-36551 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Mar 2014 | 11 Mar 2014 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Mar 2013 | 11 Mar 2013 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Mar 2012 | 08 Mar 2012 | 000-50070 |