| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 01 May 2023 | 15 Mar 2022 | 001-35569 | |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2022 | 11 Mar 2022 | 001-35569 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2021 | 15 Mar 2021 | 001-35569 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2020 | 16 Mar 2020 | 001-35569 |
| 3 | Open Document | Open Filing | FORM 3 | 18 Mar 2020 | 16 Mar 2020 | 001-35569 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2017 | 08 Nov 2017 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2017 | 07 Nov 2017 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2016 | 16 Nov 2016 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2016 | 09 Nov 2016 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2016 | 08 Nov 2016 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jul 2016 | 27 Jul 2016 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2015 | 01 Dec 2015 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2015 | 10 Nov 2015 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2015 | 04 Nov 2015 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2015 | 17 Mar 2015 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Nov 2014 | 24 Nov 2014 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2014 | 12 Nov 2014 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2014 | 06 Nov 2014 | 000-14902 |