| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | 16 Feb 2022 | 31 Dec 2021 | 000-31380 | |
| 4/A | Open Document | Open Filing | FORM 4/A | 13 Feb 2017 | 13 Feb 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2017 | 08 Feb 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jul 2016 | 06 Jul 2016 | 000-31380 |
| 4/A | Open Document | Open Filing | FORM 4/A | 18 May 2016 | 11 May 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2016 | 10 Mar 2016 | 000-31380 |
| 3 | Open Document | Open Filing | FORM 3 | 18 Aug 2015 | 12 Aug 2015 | 000-31380 |