| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | 18 May 2023 | 17 May 2023 | 001-34673 | |
| 4 | Open Document | Open Filing | 17 May 2023 | 17 May 2023 | 001-34673 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Jan 2023 | 14 Jan 2023 | 001-34673 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2022 | 22 Feb 2022 | 001-34673 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2021 | 13 May 2021 | 001-36112 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2021 | 11 Jan 2021 | 001-34673 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2020 | 15 Sep 2020 | 001-34673 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2020 | 15 Sep 2020 | 001-34673 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2020 | 14 May 2020 | 001-36112 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2019 | 16 May 2019 | 001-36112 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2018 | 17 May 2018 | 001-36112 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2017 | 18 May 2017 | 001-36112 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2016 | 18 May 2016 | 001-36112 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2016 | 03 Mar 2016 | 001-36112 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2015 | 20 May 2015 | 001-36112 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jun 2014 | 05 Jun 2014 | 001-36112 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Oct 2013 | 09 Oct 2013 | 001-36112 |
| 3 | Open Document | Open Filing | FORM 3 | 09 Oct 2013 | 09 Oct 2013 | 001-36112 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2012 | 08 Aug 2012 | 000-19700 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2012 | 15 May 2012 | 000-19700 |