Financial Risks and Conditions - The company expects to incur significant costs in pursuit of its acquisition plans and may not have sufficient funds outside of the trust account to operate for the duration of the completion window [187]. - If the initial business combination is not completed, public shareholders may receive approximately $10.00 per share or less upon liquidation of the trust account [188]. - The company may face write-downs or impairments post-business combination, negatively impacting financial condition and share price [189]. - Proceeds in the trust account could be reduced due to third-party claims, potentially leading to a per-share redemption amount of less than $10.00 [191]. - Art Technology Sponsor, LLC is liable for claims that reduce trust account funds below $10.00 per public share, but may not have sufficient assets to cover these obligations [193]. - The company may engage third parties that refuse to execute waivers, which could expose the trust account to claims and reduce available funds [192]. - Adverse developments in the financial services industry could impair the value of assets in the trust account, affecting liquidity and financial condition [198]. - If the company files for bankruptcy after distributing trust account proceeds, shareholders may face recovery claims, impacting the amounts received [196]. - The company may need to seek additional financing if the net proceeds from the initial public offering are insufficient to complete the business combination, which could lead to restructuring or abandonment of the deal [216]. - Resources may be wasted on unsuccessful acquisition attempts, adversely affecting future acquisition efforts and potentially leading to a loss of incurred costs [217]. Acquisition Strategy and Risks - The company may pursue acquisition opportunities outside of management's expertise, which could lead to inadequate risk assessment and potential reduction in share value [202]. - The company has identified general criteria for evaluating target businesses, but may enter into combinations with targets that do not meet these guidelines, affecting success [200]. - The company is not required to obtain an independent valuation opinion for the target business, which may lead to shareholders relying on the board's judgment for fair market value assessments [203]. - Compliance with the Sarbanes-Oxley Act may increase the time and costs associated with completing an acquisition, particularly if the target company is not compliant with internal control provisions [205]. - The company may face limitations in acquiring target businesses due to the requirement of providing financial statements that comply with U.S. GAAP or IFRS, potentially reducing the pool of available targets [204]. - There is no specified maximum redemption threshold, allowing the company to complete a business combination even if a substantial majority of shareholders disagree [209]. - The company may only be able to complete one business combination, leading to a lack of diversification that could negatively impact operations and profitability [224]. - The company may face challenges in completing simultaneous business combinations, which could increase costs and operational risks [226]. - The management of the target business may not possess the necessary skills to operate a public company, which could negatively impact post-combination operations and profitability [212]. - The company may pursue business combinations with private companies, which often have limited public information available, increasing investment risks [227]. Shareholder Rights and Interests - Public shareholders will not have voting rights on director appointments prior to the initial business combination [220]. - The personal and financial interests of the sponsor, directors, and officers may misalign with public shareholders, especially as the deadline for the initial business combination approaches [253]. - The sponsor owns approximately 26.2% of the issued and outstanding ordinary shares, which allows significant influence over shareholder votes [274]. - Shareholders holding more than 15% of Class A ordinary shares may lose the ability to redeem shares in excess of that amount during the initial business combination [289]. - Amendments to certain agreements related to the IPO can be made without shareholder approval, potentially affecting shareholder interests [352]. - The company may face significant adverse consequences if it is no longer listed on Nasdaq, including reduced analyst coverage and trading activity [294]. Regulatory and Compliance Issues - The company may face regulatory review by CFIUS, which could delay or prohibit the initial business combination [260]. - The company must file a registration statement with the SEC covering the issuance of Class A ordinary shares upon exercise of the warrants within 20 business days after the initial business combination [272]. - If the public warrants are not registered under the Securities Act, holders may only exercise their warrants on a cashless basis [272]. - The company must maintain compliance with Nasdaq's listing requirements, including a minimum share price of $4.00 and at least 400 public holders [290]. - If deemed an investment company, the company may face burdensome compliance requirements that could hinder its ability to complete the initial business combination [279]. - Compliance with new SEC rules regarding SPACs may increase costs and time needed to complete an initial business combination [328]. Market and Economic Conditions - The competition for attractive targets is increasing, which may raise the costs of initial business combinations and complicate the search for suitable candidates [322]. - Recent increases in inflation and interest rates could lead to price volatility and economic disruptions, making it more difficult to consummate an initial business combination [329]. - Geopolitical tensions, particularly from the Russia-Ukraine conflict and the Middle East conflict, may adversely affect the search for an initial business combination and the operations of target businesses [330]. - Changes in international trade policies and tariffs may adversely affect the search for initial business combination targets and the performance of post-combination companies [332]. - The U.S. has implemented new tariffs, creating uncertainty about future trade relationships and policies, which could impact business operations [333]. - The Inflation Reduction Act of 2022 imposes a 1% excise tax on stock repurchases, which may decrease the value of securities and hinder the ability to consummate initial business combinations [345]. Financial Structure and Share Issuance - The company has authorized the issuance of up to 500,000,000 Class A ordinary shares, with 467,343,750 shares currently available for issuance [293]. - The company may issue additional Class A ordinary shares or preference shares to complete its initial business combination, which could dilute existing shareholders' interests [292]. - The company issued warrants to purchase 6,325,000 Class A ordinary shares at a price of $11.50 per share, which may affect the market price of the shares [307]. - The nominal purchase price for founder shares was $25,000, resulting in an implied value of public shares decreasing by approximately 27.4% to $6.95 upon consummation of the initial business combination [255]. - The total funds available for the initial business combination, after deducting deferred underwriting commissions, amount to $242,220,000 [257]. - The initial implied value per public share is calculated at $9.57 based on the available funds divided by 25,300,000 public shares [257]. Operational Challenges - The company has no operating history and will not generate revenues until an initial business combination is completed, posing a risk to investors [320]. - The company may face challenges in managing cross-border operations if the initial business combination involves foreign entities, impacting financial performance [315]. - Changes in the market for directors and officers liability insurance could increase costs and complicate negotiations for initial business combinations [324]. - The company may liquidate the securities in the trust account to mitigate the risk of being deemed an investment company, which would reduce the amount public shareholders receive upon liquidation [286]. - The company may incur substantial debt to complete a business combination, which could adversely affect its leverage and financial condition [219].

Company Overview - Art Technology Acquisition Corp. is a blank check company formed to effect a merger, share exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses [1] - The company may pursue acquisition opportunities in any business or industry or at any stage of its corporate evolution, with a primary focus on technology, art, financial services, and investment banking sectors [1] Trading Information - Starting February 27, 2026, holders of units sold in the initial public offering can elect to separately trade the Company's Class A ordinary shares and warrants [1] - The Class A ordinary shares and warrants will trade on the Nasdaq Global Market under the symbols "ARTC" and "ARTCW," respectively, while units not separated will continue to trade under the symbol "ARTCU" [1] Leadership - The company is led by Daniel G. Cohen, who serves as Chairman and Chief Executive Officer, and Katherine Fleming, who is the Vice Chairman [1]

Group 1 - The underwriter of Art Technology Acquisition Corp.'s initial public offering fully exercised its option to purchase an additional 3,300,000 units at $10.00 per unit, resulting in additional gross proceeds of approximately $33,000,000 [1] - The total number of units sold in the public offering increased to 25,300,000 units, leading to total gross proceeds of $253,000,000 for the initial public offering [1] Group 2 - Each unit issued in the offering consists of one Class A ordinary share and one-fourth of one warrant, with each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 [2] - The Class A ordinary shares and warrants are expected to be listed on NASDAQ under the symbols "ARTC" and "ARTCW," respectively, once separate trading begins [2] Group 3 - Art Technology Acquisition Corp. is a blank check company formed to effect a merger, share exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses [3] - The company aims to identify acquisition opportunities primarily in the technology, art, financial services, and investment banking sectors [3] - The leadership team includes Daniel G. Cohen as Chairman and Chief Executive Officer, and Katherine Fleming as Vice Chairman [3] Group 4 - Clear Street LLC acted as the sole book-running manager for the offering [4]

Group 1 - The Company, Art Technology Acquisition Corp., closed its initial public offering (IPO) of 22,000,000 units, priced at $10.00 per unit, resulting in gross proceeds of $220,000,000 [1][3] - The units began trading on the Nasdaq Global Market under the ticker symbol "ARTCU" on January 6, 2026, with each unit consisting of one Class A ordinary share and one-fourth of a redeemable warrant [2] - The Company is a blank check company formed to pursue mergers, acquisitions, or similar business combinations, primarily focusing on technology, art, financial services, and investment banking sectors [4] Group 2 - Clear Street LLC acted as the sole book-running manager for the offering [5] - A registration statement for the securities was declared effective by the U.S. Securities and Exchange Commission on January 5, 2026 [6]

Group 1 - The Company, Art Technology Acquisition Corp., has priced its initial public offering (IPO) at $10.00 per unit, with a total of 22,000,000 units being offered [1] - Each unit consists of one Class A ordinary share and one-fourth of a redeemable warrant, with the whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 [1] - The IPO will be listed on the Nasdaq Global Market under the symbol "ARTCU" and is set to begin trading on January 6, 2026 [1] Group 2 - The Company is a blank check company aimed at merging or acquiring businesses across various sectors, with a primary focus on technology, art, financial services, and investment banking [2] - The leadership team includes Daniel G. Cohen as Chairman and CEO, and Katherine Fleming as Vice Chairman [2] Group 3 - Clear Street is the sole book-running manager for the offering and has been granted a 45-day option to purchase an additional 3,300,000 units to cover over-allotments [3] - A registration statement for the units was declared effective by the Securities and Exchange Commission on January 5, 2026 [4]

As filed with the U.S. Securities and Exchange Commission on December 19, 2025. Registration No. 333-291966 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________________________ AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 _______________________________ Art Technology Acquisition Corp. (Exact name of registrant as specified in its charter) _______________________________ Cayman Islands 6770 98-1881297 (State or other jurisdiction of i ...

As filed with the U.S. Securities and Exchange Commission on December 5, 2025. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 _______________________________ Art Technology Acquisition Corp. _______________________________ Approximate date of commencement of proposed sale to the public: As soon as practicable after the effective date of this registration statement. If any of the securities being r ...