$ SEC Filings

Filing Filed On
PRE 14A 30 Jul 2020
PRE 14A 02 Oct 2019
PRELIMINARY PROXY STATEMENT 27 Apr 2018
PRE 14A 04 May 2016
PRELIMINARY PROXY STATEMENT 22 Jan 2013
SUPERCONDUCTOR TECHNOLOGIES INC. 04 Apr 2005
PRELIMINARY PROXY STATEMENT 13 Mar 2001
PRELIMINARY NOTICE OF ANNUAL MEETING 11 Apr 2000
SCHEDULE 14A 07 Jan 2000
SCHEDULE 14A 09 Apr 1999
PRELIMINARY NOTICE AND PROXY MATERIALS 01 Apr 1998