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

$PTN SEC Filings

Filing Filed On
POS AM 28 Sep 2011
8-K 22 Sep 2011
10-K 21 Sep 2011
PRIMARY DOCUMENT 21 Sep 2011
PRIMARY DOCUMENT 21 Sep 2011
PROSPECTUS SUPPLEMENT NO. 2 28 Jun 2011
PRIMARY DOCUMENT 24 Jun 2011
PRIMARY DOCUMENT 24 Jun 2011
PRIMARY DOCUMENT 24 Jun 2011
PRIMARY DOCUMENT 24 Jun 2011
PRIMARY DOCUMENT 24 Jun 2011
PRIMARY DOCUMENT 24 Jun 2011
PRIMARY DOCUMENT 24 Jun 2011
PRIMARY DOCUMENT 24 Jun 2011
PRIMARY DOCUMENT 24 Jun 2011
8-K 24 Jun 2011
PRIMARY DOCUMENT 23 Jun 2011
8-K 27 May 2011
EFFECT 25 May 2011
424B3 25 May 2011