<SEC-DOCUMENT>0001213900-21-038968-index.html : 20210727
<SEC-HEADER>0001213900-21-038968.hdr.sgml : 20210727
<ACCEPTANCE-DATETIME>20210727213803
ACCESSION NUMBER:		0001213900-21-038968
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210714
FILED AS OF DATE:		20210727
DATE AS OF CHANGE:		20210727

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Riley Brendan
		CENTRAL INDEX KEY:			0001872979

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40611
		FILM NUMBER:		211119613

	MAIL ADDRESS:	
		STREET 1:		207 WEST 25TH STREET
		STREET 2:		9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10001

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			cleantech Acquisition Corp.
		CENTRAL INDEX KEY:			0001849820
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 EAST PUTNAM AVENUE, FLOOR 4
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		6464659000

	MAIL ADDRESS:	
		STREET 1:		1 EAST PUTNAM AVENUE, FLOOR 4
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>