| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | FORM 3 | 22 Sep 2021 | 10 Sep 2021 | 001-35711 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Mar 2018 | 19 Mar 2018 | 001-32270 |
| 3 | Open Document | Open Filing | FORM 3 | 16 Nov 2017 | 06 Nov 2017 | 001-32270 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2015 | 12 Mar 2015 | 001-35711 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2014 | 01 Oct 2014 | 001-35711 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | 001-35711 |