<SEC-DOCUMENT>0001209191-21-070924-index.html : 20211222
<SEC-HEADER>0001209191-21-070924.hdr.sgml : 20211222
<ACCEPTANCE-DATETIME>20211222160810
ACCESSION NUMBER:		0001209191-21-070924
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211220
FILED AS OF DATE:		20211222
DATE AS OF CHANGE:		20211222

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Southworth Michael Christopher
		CENTRAL INDEX KEY:			0001603604

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38685
		FILM NUMBER:		211513313

	MAIL ADDRESS:	
		STREET 1:		10912 SHALLOW CREEK DRIVE
		CITY:			GREAT FALLS
		STATE:			VA
		ZIP:			22066

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GRID DYNAMICS HOLDINGS, INC.
		CENTRAL INDEX KEY:			0001743725
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				830632724
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		7660 FAY AVENUE
		STREET 2:		SUITE H, UNIT 339
		CITY:			LA JOLLA
		STATE:			CA
		ZIP:			92037
		BUSINESS PHONE:		(619) 736-6855

	MAIL ADDRESS:	
		STREET 1:		7660 FAY AVENUE
		STREET 2:		SUITE H, UNIT 339
		CITY:			LA JOLLA
		STATE:			CA
		ZIP:			92037

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ChaSerg Technology Acquisition Corp
		DATE OF NAME CHANGE:	20180615
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html
Document 1 - RAW XML: doc4.xml
</DOCUMENT> </SEC-DOCUMENT>