cleantech Acquisition Corp. (CIK: 0001849820) EDGAR, Information, Filings... CompaniesBIO.Com

cleantech Acquisition Corp.

Mailing address
1 EAST PUTNAM AVENUE, FLOOR 4, GREENWICH, Delaware, 06830
Phone
6464659000
State location
Connecticut
State of incorporation
Delaware
Fiscal year end
December 31
SIC
3569 - (CF Office: Office of Technology) GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC
Filings
N/A

cleantech Acquisition Corp. (CIK: 0001849820) is an American company incorporated in the state of Connecticut. Head office is located at 1 EAST PUTNAM AVENUE, FLOOR 4, GREENWICH, Connecticut, 06830. Work in the industry 3569 - (CF Office: Office of Technology) GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC. cleantech Acquisition Corp. is a public company and trade via Over-The-Counter (OTC).

Owner	Filings	Transaction Date	Type of Owner
Porter Lisa J.	0001945788	Oct-16-2023	director
GIBSON JOHN W JR	0001189981	Oct-09-2023	director, officer: President
FLORES WILLIAM	0001361918	Sep-26-2023	director
SCHLUMBERGER LIMITED/NV	0000087347	Sep-09-2022	10 percent owner
TRANSOCEAN INC	0001083269	Sep-09-2022	10 percent owner
Matura Tommy W	0001291243	Sep-09-2022	officer: Vice President of Accounting
Dyer Joseph Wendell	0001343118	Sep-09-2022	director
Transocean Ltd.	0001451505	Sep-09-2022	10 percent owner
Mey Mark-Anthony Lovell	0001499267	Sep-09-2022	director, 10 percent owner
Schlumberger Technology Corp	0001831486	Sep-09-2022	10 percent owner
Schlumberger Holdings Corp	0001840504	Sep-09-2022	10 percent owner
Schlumberger B.V.	0001840505	Sep-09-2022	10 percent owner
Radford Nicolaus	0001944857	Sep-09-2022	director, officer: Chief Executive Officer
Yamokoski John	0001944944	Sep-09-2022	officer: Chief Technology Officer
Kasmani Dilshad	0001944947	Sep-09-2022	officer: Chief LAO
Rangan Padmanabhan	0001944956	Sep-09-2022	officer: Chief Financial Officer
Bohan Donnelly A.	0001944958	Sep-09-2022	officer: Chief Operating Officer
Sharkawy Adam	0001945167	Sep-09-2022	director
Bellingham Jim	0001946341	Sep-09-2022	director
COLE DOUGLAS	0001252103	Jul-14-2021	director
GROSSMAN JONAS	0001423905	Jul-14-2021	director, 10 percent owner
Fitzgerald Richard F	0001459933	Jul-14-2021	officer: Chief Financial Officer
Ide Britt E	0001634403	Jul-14-2021	director
Najarian Jon	0001735386	Jul-14-2021	director
Buffalino Louis R.	0001797586	Jul-14-2021	director, officer: Chief Operating Officer
Riley Brendan	0001872979	Jul-14-2021	director
Richardson Bill	0001874230	Jul-14-2021	director
CleanTech Investments, LLC	0001874469	Jul-14-2021	10 percent owner
Spiro Elliot	0001875548	Jul-14-2021	director, 10 percent owner, officer: Chief Executive Officer
CleanTech Sponsor I LLC	0001875607	Jul-14-2021	10 percent owner
Dhanuka Ankur	0001889133	Jul-14-2021	officer: Chief Technology Officer

Includes all SEC registration details as well as a list of all documents (S-1, Prospectus, Current Reports, 8-K, 10K, Annual Reports) filed by cleantech Acquisition Corp.

Filings	Format	Description	Filed/Effective	File/Film Number
8-K	Document	Current report filing Acc-no: 0001849820-26-000023 (34 Act) Size: KB	Mar-11-2026	001-40611 26741640
S-8	Document	Initial registration statement for securities to be offered to employees pursuant to employee benefit plans Acc-no: 0001849820-26-000020 (33 Act) Size: KB	Mar-04-2026	333-294007 26721169
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001849820-26-000013 ( Act) Size: 0 KB	Feb-24-2026
8-K	Document	Current report filing Acc-no: 0001849820-26-000007 (34 Act) Size: KB	Feb-09-2026	001-40611 26609718
8-K	Document	Current report filing Acc-no: 0001849820-26-000002 (34 Act) Size: KB	Jan-29-2026	001-40611 26574946
DEF 14A	Document	Definitive proxy statements Acc-no: 0001849820-25-000320 (34 Act) Size: KB	Dec-29-2025	001-40611 251609367
8-K	Document	Current report filing Acc-no: 0001849820-25-000318 (34 Act) Size: KB	Dec-23-2025	001-40611 251601671
8-K	Document	Current report filing Acc-no: 0001849820-25-000314 (34 Act) Size: KB	Dec-23-2025	001-40611 251594705
PRE 14A	Document	Preliminary proxy statement not related to a contested matter or merger/acquisition Acc-no: 0001849820-25-000311 (34 Act) Size: KB	Dec-19-2025	001-40611 251588204
8-K	Document	Current report filing Acc-no: 0001849820-25-000309 (34 Act) Size: KB	Dec-19-2025	001-40611 251588022
SCHEDULE 13D/A	Document	Acc-no: 0001193125-25-320894 (34 Act) Size: KB	Dec-16-2025	005-92701 251575477
8-K	Document	Current report filing Acc-no: 0001849820-25-000304 (34 Act) Size: KB	Dec-09-2025	001-40611 251559113
8-K	Document	Current report filing Acc-no: 0001849820-25-000301 (34 Act) Size: KB	Dec-08-2025	001-40611 251554542
SCHEDULE 13D/A	Document	Acc-no: 0001451505-25-000131 (34 Act) Size: KB	Dec-04-2025	005-92701 251550636
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001083269-25-000014 ( Act) Size: 0 KB	Dec-04-2025
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001451505-25-000130 ( Act) Size: 0 KB	Dec-04-2025
8-K	Document	Current report filing Acc-no: 0001849820-25-000296 (34 Act) Size: KB	Dec-04-2025	001-40611 251548043
8-K	Document	Current report filing Acc-no: 0001849820-25-000289 (34 Act) Size: KB	Dec-02-2025	001-40611 251543307
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001849820-25-000284 ( Act) Size: 0 KB	Nov-26-2025
8-K	Document	Current report filing Acc-no: 0001849820-25-000281 (34 Act) Size: KB	Nov-14-2025	001-40611 251486166

Recent 20 filings. View all cleantech Acquisition Corp. filings

Overall rating 5.0

Aug 22, 2022

Jean Bishop

Very good communication and delivery made within the timeframe I was advised of

Aug 22, 2022

Catherine

Thanks I look forward to using the product to improve my skin tone

Aug 22, 2022

Ryan Storey

Huge help thank you for your help .. y'all make it so much easier

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