Market Cap:
$ SEC Filings
| Filing | Filed On |
|---|---|
| FORM DEF 14A | 20 May 2022 |
| FORM DEF 14A | 18 Nov 2021 |
| FORM DEF 14A | 11 Mar 2020 |
| FORM DEF 14A | 08 Mar 2019 |
| DEF 14A | 19 Mar 2018 |
| DEF 14A | 26 Aug 2016 |
| DEF 14A | 24 Dec 2014 |
| DEF 14A | 20 May 2014 |
| CLEAN COAL DEFINITIVE PROXY 2013 | 28 Mar 2013 |
| CLEAN COAL DEFINITIVE PROXY STATEMENT 2012 | 04 May 2012 |
