$ATRC SEC Filings

Filing Filed On
424B5 13 May 2020
424B5 11 May 2020
424B5 05 Oct 2018
424B5 03 Oct 2018
FINAL PROSPECTUS SUPPLEMENT 14 Feb 2014
PRELIMINARY PROSPECTUS SUPPLEMENT 12 Feb 2014
FINAL PROSPECTUS SUPPLEMENT 16 Jan 2013
PRELIMINARY PROSPECTUS SUPPLEMENT 15 Jan 2013