United States

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

Current Report

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

August 12, 2022

Date of Report (Date of earliest event reported)

CleanTech Acquisition Corp.

(Exact Name of Registrant as Specified in its Charter)

Delaware		001-40611		85-1699753
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

207 West 25th Street, 9th Floor

New York, NY

10001

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s telephone number, including area code: (212) 494-9005

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock	CLAQ	The Nasdaq Stock Market LLC
Warrants	CLAQW	The Nasdaq Stock Market LLC
Rights	CLAQR	The Nasdaq Stock Market LLC
Units	CLAQU	The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01. Other Events.

CleanTech Acquisition Corp. extended the time it has to complete its initial business combination from August 19, 2022, to September 19, 2022 by depositing $100,000 to the trust account on August 12, 2022.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: August 15, 2022	CLEANTECH ACQUISITION CORP.

	By:	/s/ Eli Spiro
	Name:	Eli Spiro
	Title:	Chief Executive Officer