$ SEC Filings

Filing Filed On
SC 13D 13 Sep 2021
SC 13D 07 Jul 2020
SUPERCONDUCTOR TECHNOLOGIES INC. 26 Jun 2020
SC 13D 13 Jun 2014
SC 13D 11 Jul 2007
SC 13D 23 Dec 2002
SCHEDULE 13D 01 Sep 1999
SC 13D 11 Jun 1998