<SEC-DOCUMENT>0001193125-17-002875-index.html : 20170105
<SEC-HEADER>0001193125-17-002875.hdr.sgml : 20170105
<ACCEPTANCE-DATETIME>20170105152832
ACCESSION NUMBER:		0001193125-17-002875
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170105
DATE AS OF CHANGE:		20170105

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ION GEOPHYSICAL CORP
		CENTRAL INDEX KEY:			0000866609
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL AND GAS FIELD EXPLORATION SERVICES [1382]
		IRS NUMBER:				222286646
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-41602
		FILM NUMBER:		17510354

	BUSINESS ADDRESS:	
		STREET 1:		2105 CITYWEST BLVD
		STREET 2:		SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			770422855
		BUSINESS PHONE:		281.933.3339

	MAIL ADDRESS:	
		STREET 1:		2105 CITYWEST BLVD
		STREET 2:		SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			770422855

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INPUT OUTPUT INC
		DATE OF NAME CHANGE:	19930328

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Footprints Asset Management & Research
		CENTRAL INDEX KEY:			0001338208
		IRS NUMBER:				202185443
		STATE OF INCORPORATION:			NE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		11422 MIRACLE HILLS DRIVE
		STREET 2:		SUITE 208
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68154
		BUSINESS PHONE:		402-445-9333

	MAIL ADDRESS:	
		STREET 1:		11422 MIRACLE HILLS DRIVE
		STREET 2:		SUITE 208
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68154
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d261911dsc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: d261911dsc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>