$GPOR SEC Filings

Filing Filed On
PROXY STATEMENT 05 Apr 2024
PROXY STATEMENT 10 Apr 2023
DEFINITIVE PROXY STATEMENT 02 May 2022
DEFINITIVE PROXY STATEMENT 12 Jun 2020
DEF 14A 30 Apr 2019
DEF 14A 30 Apr 2018
DEF 14A 01 May 2017
DEF 14A 29 Apr 2016
DEF 14A 30 Apr 2015
DEFINITIVE PROXY STATEMENT 30 Apr 2014
DEFINITIVE PROXY STATEMENT 30 Apr 2013
DEFINITIVE PROXY STATEMENT 30 Apr 2012
DEFINITIVE PROXY STATEMENT 02 May 2011
DEFINITIVE PROXY STATEMENT 28 Apr 2010
DEFINITIVE PROXY STATEMENT 30 Apr 2009
DEFINITIVE PROXY STATEMENT 29 Apr 2008
DEFINITIVE PROXY STATEMENT 30 Apr 2007
DEF 14A 24 Sep 1998
DEFINITIVE PROXY STATEMENT 19 Jun 1998