| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2021 | 17 Aug 2021 | 001-32644 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2020 | 24 Aug 2020 | 001-32644 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Sep 2019 | 06 Sep 2019 | 001-32644 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Sep 2018 | 06 Sep 2018 | 001-32644 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2018 | 04 Jun 2018 | 001-32644 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jun 2017 | 15 Jun 2017 | 001-32644 |
| 3 | Open Document | Open Filing | FORM 3 | 24 Mar 2017 | 17 Mar 2017 | 001-32644 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Mar 2014 | 28 Feb 2014 | 001-14962 |