| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | 30 Jun 2021 | 28 Jun 2021 | 001-14066 |
| 4 | Open Document | Open Filing | FORM 4 - | 29 Jul 2020 | 28 Jul 2020 | 001-14066 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 May 2019 | 07 May 2019 | 001-14066 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 May 2018 | 22 May 2018 | 001-14066 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2017 | 14 Aug 2017 | 001-14066 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2017 | 20 Jul 2017 | 001-14066 |