| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2023 | 02 Mar 2023 | 001-38193 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 17 Jun 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2022 | 13 Jun 2022 | 001-38193 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2022 | 09 Jun 2022 | 001-38193 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2022 | 06 Jun 2022 | 001-38193 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2022 | 02 Jun 2022 | 001-38193 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Aug 2021 | 23 Aug 2021 | 001-38193 |
| 4/A | Open Document | Open Filing | FORM 4/A | 13 Jul 2020 | 10 Jul 2020 | 001-38193 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2020 | 15 Jun 2020 | 001-38193 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Sep 2019 | 12 Sep 2019 | 001-38193 |
| 4/A | Open Document | Open Filing | FORM 4/A | 06 Mar 2019 | 17 Jan 2017 | 001-38193 |
| SC 13D | Open Document | Open Filing | SC 13D | 28 Feb 2018 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Jan 2017 | 17 Jan 2017 | 000-55330 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Dec 2015 | 10 Dec 2014 | 000-55330 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Nov 2015 | 10 Dec 2014 | 000-55330 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Jan 2013 | 31 Dec 2012 | 333-139915 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 May 2012 | 18 May 2012 | 333-139915 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 May 2012 | 25 Aug 2009 | 333-139915 |