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    CleanTech Acquisition Corp.

    Subscribe to $CLAQ
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    Cleantech Acquisition Corp. is a blank check company. The company was incorporated in 2020 and is based in New York, New York.

    IPO Year: 2021

    Exchange: NASDAQ

    Recent Analyst Ratings for CleanTech Acquisition Corp.

    DatePrice TargetRatingAnalyst
    4/29/2022$14.00Buy
    Lake Street
    See more ratings

    CleanTech Acquisition Corp. Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

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    SEC Form 4 filed by Matura Tommy W

    4 - Nauticus Robotics, Inc. (0001849820) (Issuer)

    10/12/22 4:44:49 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 4 filed by Rangan Padmanabhan

    4 - Nauticus Robotics, Inc. (0001849820) (Issuer)

    10/12/22 4:43:42 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 4 filed by Radford Nicolaus

    4 - Nauticus Robotics, Inc. (0001849820) (Issuer)

    10/12/22 4:42:29 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 4 filed by Mey Mark-Anthony Lovell

    4 - Nauticus Robotics, Inc. (0001849820) (Issuer)

    10/12/22 4:41:33 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 4 filed by Porter Lisa J.

    4 - Nauticus Robotics, Inc. (0001849820) (Issuer)

    10/12/22 4:40:40 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 4 filed by Yamokoski John

    4 - Nauticus Robotics, Inc. (0001849820) (Issuer)

    10/12/22 4:39:46 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 4 filed by Gibson John W Jr

    4 - Nauticus Robotics, Inc. (0001849820) (Issuer)

    10/12/22 4:38:51 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 4 filed by Dyer Joseph Wendell

    4 - Nauticus Robotics, Inc. (0001849820) (Issuer)

    10/12/22 4:37:58 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 4 filed by Bellingham Jim

    4 - Nauticus Robotics, Inc. (0001849820) (Issuer)

    10/12/22 4:37:02 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 4 filed by Spiro Elliot

    4 - Nauticus Robotics, Inc. (0001849820) (Issuer)

    10/12/22 4:36:14 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    CleanTech Acquisition Corp. Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

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    Lake Street initiated coverage on CleanTech Acquisition Corp. with a new price target

    Lake Street initiated coverage of CleanTech Acquisition Corp. with a rating of Buy and set a new price target of $14.00

    4/29/22 9:48:03 AM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    CleanTech Acquisition Corp. SEC Filings

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    SEC Form S-8 filed by CleanTech Acquisition Corp.

    S-8 - Nauticus Robotics, Inc. (0001849820) (Filer)

    1/20/23 6:02:14 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form S-1/A filed by CleanTech Acquisition Corp. (Amendment)

    S-1/A - Nauticus Robotics, Inc. (0001849820) (Filer)

    12/27/22 8:32:34 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 10-Q filed by CleanTech Acquisition Corp.

    10-Q - Nauticus Robotics, Inc. (0001849820) (Filer)

    11/14/22 4:49:22 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    CleanTech Acquisition Corp. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits

    8-K - Nauticus Robotics, Inc. (0001849820) (Filer)

    11/14/22 7:16:49 AM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    CleanTech Acquisition Corp. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Completion of Acquisition or Disposition of Assets, Amendments to the Registrant’s Code of Ethics, or Waiver of a Provision of the Code of Ethics, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Unregistered Sales of Equity Securities, Material Modification to Rights of Security Holders, Changes in Registrant’s Certifying Accountant, Changes in Control of Registrant, Leadership Update, Amendments to Articles of Incorporation or Bylaws; Change in Fisca

    8-K - Nauticus Robotics, Inc. (0001849820) (Filer)

    9/15/22 5:19:52 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 25-NSE filed by CleanTech Acquisition Corp.

    25-NSE - Nauticus Robotics, Inc. (0001849820) (Subject)

    9/12/22 4:48:25 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form 25-NSE filed by CleanTech Acquisition Corp.

    25-NSE - Nauticus Robotics, Inc. (0001849820) (Subject)

    9/12/22 4:47:41 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form S-1 filed by CleanTech Acquisition Corp.

    S-1 - Nauticus Robotics, Inc. (0001849820) (Filer)

    9/9/22 7:11:20 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    CleanTech Acquisition Corp. filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders

    8-K - cleantech Acquisition Corp. (0001849820) (Filer)

    9/6/22 4:01:52 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    CleanTech Acquisition Corp. filed SEC Form 8-K: Other Events

    8-K - cleantech Acquisition Corp. (0001849820) (Filer)

    8/15/22 4:48:37 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    CleanTech Acquisition Corp. Press Releases

    Fastest customizable press release news feed in the world

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    CleanTech Acquisition Corp. and Nauticus Robotics, Inc. Complete Business Combination

    NEW YORK and HOUSTON, Sept. 12, 2022 (GLOBE NEWSWIRE) -- Nauticus Robotics, Inc., formerly known as CleanTech Acquisition Corp. ("CLAQ") (NASDAQ:CLAQ), today announced the successful closing of its business combination on September 9, 2022 with Nauticus Robotics, Inc. ("Nauticus"), a developer of ocean robots, autonomy software, and services to the marine industries. Nauticus' mission is to become the most impactful ocean robotics company through the deployment of autonomous maritime systems. The resulting combined company will operate under the name Nauticus Robotics, Inc. and will be led by Nauticus Founder and CEO Nicolaus Radford and the current executive team. The combined company's

    9/12/22 8:00:00 AM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    CleanTech Acquisition Corp. Announces Effectiveness of Registration Statement and Date for Special Meeting to Approve Business Combination with Nauticus Robotics, Inc.

    NEW YORK and HOUSTON, Aug. 15, 2022 (GLOBE NEWSWIRE) -- CleanTech Acquisition Corp. ("CLAQ") (NASDAQ:CLAQ), a publicly traded special purpose acquisition company, and Nauticus Robotics, Inc. ("Nauticus"), a Houston-area developer of subsea and surface robotic services using autonomy software, announced today that CLAQ's registration statement on Form S-4 (the "Registration Statement"), relating to the previously announced proposed business combination between CLAQ and Nauticus (the "Business Combination"), has been declared effective by the U.S. Securities and Exchange Commission (the "SEC"). CLAQ will hold a Special Meeting of Stockholders ("Special Meeting") on September 6, 2022 at 10

    8/15/22 8:00:00 AM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    Nauticus Robotics Announces Contract with Shell for Autonomous Method of Subsea Operations

    HOUSTON, Aug. 04, 2022 (GLOBE NEWSWIRE) --  Nauticus Robotics, Inc. ("Nauticus" or "Company"), a Houston-area developer of subsea and surface robotic services using autonomy software, announced today it has entered into an agreement with Shell plc ("Shell") (NYSE:SHEL) to advance to the qualification phase for a more efficient means of acquiring subsea integrity data utilizing Nauticus' Aquanaut and Hydronaut robotic platforms. This collaboration will enable Shell to add an advanced tool to its subsea asset integrity management lineup with the potential to improve subsea operations. Shell and Nauticus will collaborate with the industry's leading inspection tooling service providers, levera

    8/4/22 8:30:00 AM ET
    $CLAQ
    $SHEL
    Consumer Electronics/Appliances
    Industrials
    Oil & Gas Production
    Energy

    CleanTech Acquisition Corp. and Nauticus Robotics Announce Upcoming Conference Participation

    NEW YORK and HOUSTON, June 02, 2022 (GLOBE NEWSWIRE) -- CleanTech Acquisition Corp. ("CLAQ") (NASDAQ:CLAQ), a publicly traded special purpose acquisition company, and Nauticus Robotics, Inc. ("Nauticus"), a Houston-area developer of offshore subsea and surface robots and autonomy software, will be presenting at Cowen's 2nd Annual Sustainability & Energy Transition Summit and Roth's 8th Annual London Conference. Cowen's 2nd Annual Sustainability & Energy Transition SummitCowen's 2nd Annual Sustainability & Energy Transition Summit is being held virtually on June 7-8, 2022. Participating from the companies are Eli Spiro, Chief Executive Officer of CLAQ, and Nicolaus Radford, Chairman and

    6/2/22 8:30:00 AM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    Nauticus Robotics, Inc. and Wood PLC Enter Strategic Relationship

    HOUSTON, May 03, 2022 (GLOBE NEWSWIRE) -- Nauticus Robotics, Inc. ("Nauticus" or "Company"), a Houston-area developer of offshore subsea and surface robots and autonomy software, and Wood PLC ("Wood"), a global leader in consulting and engineering across energy and the built environment, have entered into a strategic relationship. The Memorandum of Understanding (MoU) formalizes the relationship between Nauticus and Wood at the strategic and working level, focusing on the development of an integrated service offering to provide more cost-efficient and environmentally friendly maintenance of the end customers' subsea infrastructures. According to an October 2021 report published by the Un

    5/3/22 1:08:40 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    Nauticus Robotics to Launch Nauticus Fleet, Pioneering Untethered Robot Teaming for Offshore Industry

    HOUSTON, April 26, 2022 (GLOBE NEWSWIRE) -- Nauticus Robotics Inc. ("Nauticus" or "Company"), a Houston-area developer of subsea and surface robotic services using autonomy software, announced today the initial production run of Nauticus Fleet, a robotic navy of 20 Hydronaut - Aquanaut pairs. These tandem pairs will be deployed in multiple offshore industries serving applications ranging from subsea maintenance and intervention to data collection activities. These first sets of robots will be delivered in Q4 2022, with the remainder being fulfilled by the end of 2024. Nauticus is currently planning regional operations within the Gulf of Mexico, Norway, the United Kingdom, and Brazil. Thes

    4/26/22 8:00:00 AM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    Nauticus Robotics, Inc. Strengthens Management Team with Hiring of Chief Operating Officer

    HOUSTON, Texas, April 06, 2022 (GLOBE NEWSWIRE) -- Nauticus Robotics, Inc. ("Nauticus" or "Company"), a Houston-area developer of surface and subsea robots, autonomy software, and associated ocean services today announced the appointment of Donnelly Bohan as the Company's new Chief Operating Officer, effective April 4, 2022. Ms. Bohan was most recently at Leidos (NYSE:LDOS), where for five years she served as Vice President, Division Manager of Leidos' Maritime Solutions Division globally, ultimately serving as Vice President, Division Manager – Mission Operations and Infrastructure Protection Division. In this most recent role, Ms. Bohan oversaw day-to-day operations of over 850 employee

    4/6/22 8:30:00 AM ET
    $CLAQ
    $LDOS
    Consumer Electronics/Appliances
    Industrials
    EDP Services
    Technology

    CleanTech Acquisition Corp. and Nauticus Robotics to Present at the 34th Annual ROTH Conference

    NEW YORK and HOUSTON, March 02, 2022 (GLOBE NEWSWIRE) -- CleanTech Acquisition Corp. ("CLAQ") (NASDAQ:CLAQ), a publicly traded special purpose acquisition company, and Nauticus Robotics, Inc. ("Nauticus"), a Houston-area developer of surface and subsea robots, cloud software, and associated services, will be presenting at the 34th Annual Roth Conference. Participating from the companies are Eli Spiro, Chief Executive Officer of CLAQ, and Nicolaus Radford, Chairman and Chief Executive Officer of Nauticus. Management will be presenting on March 15, 2022 at 8:00 AM Pacific Time (11:00 AM Eastern Time) and will also be available for 1-on-1/small group meetings. A live and archived webcast of

    3/2/22 8:30:00 AM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    Nauticus Robotics Announces U.S. Defense Innovation Unit Award for Autonomous Subsea Command and Control Software

    HOUSTON, Feb. 15, 2022 (GLOBE NEWSWIRE) -- Nauticus Robotics, Inc. ("Nauticus"), a Houston-area developer of surface and subsea robots, autonomy cloud software, and associated services, has been awarded an Other Transaction Agreement by the U.S. Defense Innovation Unit (DIU) to prototype its autonomous command and control software platform, ToolKITT, aboard the U.S. Navy's VideoRay Mission Specialist Defender Remote Operated Vehicle. DIU is a Department of Defense organization that contracts with commercial companies to solve national security problems. Through internal investments and advancements sponsored by commercial and government customers, Nauticus has developed ToolKITT, a unifie

    2/15/22 8:30:00 AM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    CleanTech Acquisition Corp. Files Registration Statement on Form S-4 as Part of Proposed Business Combination with Nauticus Robotics, Inc. a Developer of AI Software to Power its Ocean-Going Robot Fleets and Services

    NEW YORK, Jan. 31, 2022 (GLOBE NEWSWIRE) -- CleanTech Acquisition Corp. (NASDAQ:CLAQ) ("CLAQ"), a publicly traded special purpose acquisition company, today announced that it has filed with the U.S. Securities and Exchange Commission a registration statement on Form S-4. The filing includes a preliminary proxy statement/prospectus in connection with CLAQ's proposed business combination with Nauticus Robotics, Inc. ("Nauticus" or the "Company"), a Houston-area developer of surface and subsea robots, cloud software, and associated services. CLAQ and Nauticus recently entered into a definitive merger agreement, which they jointly announced on December 17, 2021. The transaction reflects a pro

    1/31/22 6:15:00 PM ET
    $AVAV
    $CLAQ
    $RIG
    Aerospace
    Industrials
    Consumer Electronics/Appliances
    Oil & Gas Production

    CleanTech Acquisition Corp. Large Ownership Changes

    This live feed shows all institutional transactions in real time.

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    SEC Form SC 13G/A filed by CleanTech Acquisition Corp. (Amendment)

    SC 13G/A - Nauticus Robotics, Inc. (0001849820) (Subject)

    1/24/23 9:47:22 AM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form SC 13D/A filed by CleanTech Acquisition Corp. (Amendment)

    SC 13D/A - Nauticus Robotics, Inc. (0001849820) (Subject)

    9/23/22 5:30:58 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form SC 13D filed by CleanTech Acquisition Corp.

    SC 13D - Nauticus Robotics, Inc. (0001849820) (Subject)

    9/19/22 4:27:37 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form SC 13D filed by CleanTech Acquisition Corp.

    SC 13D - Nauticus Robotics, Inc. (0001849820) (Subject)

    9/19/22 4:26:10 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form SC 13D filed by CleanTech Acquisition Corp.

    SC 13D - Nauticus Robotics, Inc. (0001849820) (Subject)

    9/19/22 4:24:14 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form SC 13D filed by CleanTech Acquisition Corp.

    SC 13D - Nauticus Robotics, Inc. (0001849820) (Subject)

    9/19/22 4:19:45 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form SC 13D filed by CleanTech Acquisition Corp.

    SC 13D - Nauticus Robotics, Inc. (0001849820) (Subject)

    9/19/22 4:11:01 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form SC 13G filed by CleanTech Acquisition Corp.

    SC 13G - Nauticus Robotics, Inc. (0001849820) (Subject)

    9/19/22 3:53:58 PM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form SC 13G filed by CleanTech Acquisition Corp.

    SC 13G - cleantech Acquisition Corp. (0001849820) (Subject)

    2/14/22 7:59:06 AM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials

    SEC Form SC 13G filed by CleanTech Acquisition Corp.

    SC 13G - cleantech Acquisition Corp. (0001849820) (Subject)

    2/14/22 7:57:27 AM ET
    $CLAQ
    Consumer Electronics/Appliances
    Industrials