| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2022 | 24 May 2022 | 001-34220 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 14 Oct 2021 | 12 Oct 2021 | 001-05828 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2021 | 18 May 2018 | 001-34220 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2020 | 13 Oct 2020 | 001-05828 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Sep 2020 | 21 Sep 2020 | 001-34220 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2020 | 19 May 2020 | 001-34220 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Oct 2019 | 08 Oct 2019 | 001-05828 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2019 | 21 May 2019 | 001-34220 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Oct 2018 | 09 Oct 2018 | 001-05828 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2018 | 15 May 2018 | 001-34220 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2018 | 09 May 2018 | 001-05828 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Oct 2017 | 10 Oct 2017 | 001-05828 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2017 | 25 Aug 2017 | 001-05828 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2017 | 16 May 2017 | 001-34220 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Mar 2017 | 27 Mar 2017 | 001-34220 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 29 Mar 2017 | 24 Mar 2017 | 001-34220 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Oct 2016 | 11 Oct 2016 | 001-05828 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2015 | 13 Oct 2015 | 001-05828 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2015 | 30 Jun 2015 | 001-05828 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Oct 2014 | 14 Oct 2014 | 001-05828 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2014 | 30 Jun 2014 | 001-05828 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jun 2014 | 26 Jun 2014 | 001-05828 |