| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | 13 Dec 2021 | 13 Dec 2021 | 001-41163 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 May 2021 | 29 Apr 2021 | 000-25727 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Mar 2020 | 02 Mar 2020 | 000-25727 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Aug 2019 | 26 Aug 2019 | 000-25727 |
| 4 | Open Document | Open Filing | FORM 4 - | 19 May 2017 | 17 May 2017 | 000-25727 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 May 2017 | 10 May 2017 | 000-25727 |
| 4 | Open Document | Open Filing | FORM 4 - | 18 Aug 2015 | 17 Aug 2015 | 000-25727 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2014 | 02 Jan 2014 | 000-09273 |