$PTN SEC Filings

Filing Filed On
CORRESP 25 Oct 2024
CORRESP 20 Aug 2024
CORRESP 20 Aug 2024
CORRESP 27 Mar 2024
CORRESP 14 Dec 2023
CORRESP 23 Sep 2022
CORRESP 07 Feb 2019
CORRESP 23 Aug 2018
CORRESP 13 Aug 2015
CORRESP 13 Aug 2015
CORRESP 07 Apr 2011
CORRESP 04 Mar 2011
CORRESP 23 Mar 2009
CORRESP 22 Feb 2008
CORRESP 26 Nov 2007
CORRESP 30 Mar 2006
CORRESP 28 Mar 2006
CORRESP 24 Mar 2006
CORRESP 28 Jun 2005