| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2021 | 18 May 2021 | 001-00087 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2021 | 31 Mar 2021 | 001-00087 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 3 TO SCHEDULE 13D | 14 Jan 2021 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2021 | 08 Jan 2021 | 001-00087 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO.2 TO SCHEDULE 13D | 04 Aug 2020 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2020 | 20 May 2020 | 001-00087 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2020 | 31 Mar 2020 | 001-00087 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2020 | 08 Jan 2020 | 001-00087 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2020 | 31 Dec 2019 | 001-00087 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Dec 2019 | 23 Dec 2019 | 001-00087 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO.1 TO SCHEDULE 13D | 06 Dec 2019 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2019 | 03 Dec 2019 | 001-00087 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2019 | 30 Sep 2019 | 001-00087 |
| SC 13G | Open Document | Open Filing | SC 13G | 22 May 2019 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2019 | 08 Jan 2019 | 001-00087 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2018 | 29 Nov 2018 | 001-33143 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2018 | 08 Jan 2018 | 001-00087 |
| SC 13D | Open Document | Open Filing | SCHEDULE FILED TO REPORT ACQUISITION OF BENEFICIAL OWNERSHIP | 18 May 2017 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2017 | 26 Apr 2017 | 001-00087 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2017 | 08 Jan 2017 | 001-00087 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2017 | 16 Aug 2014 | 001-00087 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2016 | 28 Oct 2016 | 001-33143 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2016 | 08 Jan 2016 | 001-00087 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2016 | 01 Jan 2016 | 001-00087 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 30 Dec 2015 | 30 Dec 2015 | 001-37648 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2015 | 30 Dec 2015 | 001-33143 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2015 | 11 Aug 2015 | 001-00087 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT TO SCHEDULE 13D | 06 Jul 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | 24 Mar 2015 | 24 Mar 2015 | 001-33143 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2015 | 01 Jan 2015 | 001-00087 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Nov 2014 | 12 Nov 2014 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Aug 2014 | 20 Aug 2014 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jun 2014 | 26 Jun 2014 | 001-33143 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2014 | 31 Dec 2013 | 001-00087 |