| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2022 | 28 Feb 2022 | 001-32502 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2021 | 02 Mar 2021 | 001-32502 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Aug 2020 | 14 Aug 2020 | 001-32502 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 02 Jun 2020 | 02 Jun 2020 | 001-32502 |
| SC 13D/A | Open Document | Open Filing | SC 13DA | 12 Mar 2018 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 07 Dec 2017 | ||
| SC 13D | Open Document | Open Filing | SC 13D | 11 Apr 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2014 | 18 Nov 2014 | 001-36432 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2014 | 11 Sep 2014 | 001-36432 |
| 3 | Open Document | Open Filing | FORM 3 | 01 May 2014 | 01 May 2014 | 001-36432 |