$PLUG Market Cap:
Research Board Inbox Deep Research Not Interested Shortlisted

$PLUG SEC Filings

Filing Filed On
SC 13D/A 21 Oct 2008
SC 13D 30 May 2008
AMENDMENT #1 TO SCHEDULE 13D 21 May 2008
SC 13D/A 24 Apr 2008
SMART HYDROGEN INC. FOR PLUG POWER INC. 10 Jul 2006
MECHANICAL TECHNOLOGY INC. - FORM 13D/A 8/26/05 26 Aug 2005
MECHANICAL TECHNOLOGY INC. - FORM 13D/A 6/24/05 30 Jun 2005
SC 13D/A 10 Jan 2005
MECHANICAL TECHNOLOGY INC. - FORM 13D/A 08/20/03 20 Aug 2003
MECHANICAL TECHNOLOGY INC. - FORM 13D/A 07/18/03 22 Jul 2003
MECHANICAL TECHNOLOGY INC. - FORM 13D/A 03/21/03 24 Mar 2003
MECHANICAL TECHNOLOGY INC. - FORM 13D/A 12/20/02 24 Dec 2002
MECHANICAL TECHNOLOGY INC. - FORM 13D/A 11/14/02 14 Nov 2002
MECHANICAL TECHNOLOGY INC. - FORM 13D/A 05/15/02 15 May 2002
PLUG POWER 13DA 06/12/01 12 Jun 2001
PLUG POWER 13DA 05/16/01 16 May 2001
PLUG POWER FORM 13DA 04/09/01 10 Apr 2001
PLUG POWER 13DA - DECEMBER 27, 2000 09 Feb 2001