| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 22 Feb 2022 | 17 Feb 2022 | 001-33125 | |
| 4 | Open Document | Open Filing | 13 Sep 2021 | 09 Sep 2021 | 001-33125 | |
| 4 | Open Document | Open Filing | 04 Feb 2021 | 02 Feb 2021 | 001-33125 | |
| 4 | Open Document | Open Filing | 29 Oct 2020 | 27 Oct 2020 | 001-33125 | |
| 4 | Open Document | Open Filing | FORM 4 | 20 Sep 2018 | 19 Sep 2018 | 001-33125 |
| SC 13D/A | Open Document | Open Filing | 07 Dec 2017 | |||
| 4 | Open Document | Open Filing | 19 Apr 2017 | 07 Apr 2017 | 000-53872 | |
| 4 | Open Document | Open Filing | FORM 4 | 10 Apr 2017 | 06 Apr 2017 | 001-33125 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2016 | 23 Feb 2016 | 001-33125 |
| 4 | Open Document | Open Filing | 25 Jun 2015 | 23 Jun 2015 | 000-53872 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Sep 2014 | 04 Sep 2014 | 001-33125 |
| 4 | Open Document | Open Filing | 01 Apr 2014 | 26 Feb 2014 | 000-53872 |