| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 14 Feb 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2021 | 02 Jun 2021 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Apr 2021 | 14 Apr 2021 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Apr 2021 | 12 Apr 2021 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Apr 2021 | 08 Apr 2021 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Apr 2021 | 06 Apr 2021 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Apr 2021 | 30 Mar 2021 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Mar 2021 | 26 Mar 2021 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Mar 2021 | 24 Mar 2021 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2020 | 03 Jun 2020 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Sep 2019 | 26 Sep 2019 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2019 | 05 Jun 2019 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Mar 2019 | 25 Mar 2019 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2019 | 21 Mar 2019 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Mar 2019 | 19 Mar 2019 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2018 | 06 Jun 2018 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Oct 2017 | 12 Oct 2017 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2017 | 01 Jun 2017 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Sep 2016 | 14 Sep 2016 | 001-33764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2016 | 01 Jun 2016 | 001-33764 |
| 4/A | Open Document | Open Filing | FORM 4/A | 08 Dec 2015 | 03 Dec 2015 | 001-35964 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2015 | 03 Dec 2015 | 001-35964 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2015 | 11 Nov 2015 | 001-35964 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jun 2015 | 26 Jun 2015 | 001-35964 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2015 | 03 Jun 2015 | 001-33764 |
| 3 | Open Document | Open Filing | FORM 3 | 02 Apr 2015 | 01 Apr 2015 | 001-35964 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jun 2014 | 13 Jun 2014 | 001-33764 |