<SEC-DOCUMENT>0000902664-18-001324-index.html : 20180222
<SEC-HEADER>0000902664-18-001324.hdr.sgml : 20180222
<ACCEPTANCE-DATETIME>20180222104915
ACCESSION NUMBER:		0000902664-18-001324
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180222
DATE AS OF CHANGE:		20180222

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:		18631396

	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:			Empery Asset Management, LP
		CENTRAL INDEX KEY:			0001469336
		IRS NUMBER:				262107121
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		1 ROCKEFELLER PLAZA, SUITE 1205
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020
		BUSINESS PHONE:		212-608-3300

	MAIL ADDRESS:	
		STREET 1:		1 ROCKEFELLER PLAZA, SUITE 1205
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>p18-0721sc13g.htm
<DESCRIPTION>ION GEOPHYSICAL CORP
<TEXT>
Document 1 - file: p18-0721sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>