SEC Filings SEC Filings Arch Resources, Inc. SEC Filings Arch Western Resources LLC SEC Filings SEC Filing Keyword Search Group 3,4,5Annual FilingsCurrent ReportsMergers & AcquisitionsOtherProxy FilingsQuarterly FilingsRegistration Statements Filing year - Any -2024202320222021202020192018201720162015201420132012201120102009200820072006200520042003200220012000199919981997 Filing date Description Form View Mar 26, 2012 UPLOAD UPLOAD 0000000000-12-015293.pdf View HTML Apr 13, 2015 UPLOAD UPLOAD 0000000000-15-020878.pdf View HTML Mar 31, 2015 UPLOAD UPLOAD 0000000000-15-018848.pdf View HTML Jul 11, 2013 UPLOAD UPLOAD 0000000000-13-037875.pdf View HTML Dec 09, 2005 UPLOAD UPLOAD 0000000000-05-061619.rtf 0000000000-05-061619.pdf View HTML Jan 09, 2018 UPLOAD UPLOAD 0000000000-18-000776.pdf View HTML Dec 05, 2019 UPLOAD UPLOAD 0000000000-19-016156.rtf 0000000000-19-016156.pdf View HTML Feb 20, 2018 UPLOAD UPLOAD 0000000000-18-005523.pdf View HTML Apr 28, 2015 UPLOAD UPLOAD 0000000000-15-023586.pdf View HTML Dec 18, 2019 UPLOAD UPLOAD 0000000000-19-016553.rtf 0000000000-19-016553.pdf View HTML Pagination First page First Previous page Previous Page 1 Current page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 … Next page Next Last page Last Data provided by Kaleidoscope. Print Page RSS Feeds Email Alerts