Company: FSTWF
Filing Date: 2025-07-25
Form Type: 424B3
Source: 0001213900-25-067790
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Company: FST Corp.
Filing Date: 2025-07-25
Form: 424B3
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| PROSPECTUS |     | Filed Pursuant to Rule 424(b)(3)      
 Registration Statement No. 333-285391 |

FST CORP. UP TO 14,399,985 ORDINARY SHARES ISSUABLE UPON THE EXERCISE OF WARRANTS
UP TO 35,184,834 ORDINARY SHARES OFFERED BY SELLING SECURITYHOLDERS This prospectus relates to the offer, sale and resale from time to time of certain ordinary shares, par value $0.0001 per share (“Ordinary Shares”) of FST Corp., an exempted company incorporated in the Cayman Islands with limited liability (“we,” “us,” “our,” “FST,” or the “Company”). These Ordinary Shares were issued or may be issued from time to time pursuant to certain agreements entered into in connection with the consummation of the business combination described below. On December22, 2023, the Company entered into a Business Combination Agreement, dated December 22, 2023, (the “Business Combination Agreement”) with Chenghe Acquisition I Co., a Cayman Islands exempted company with limited liability (“Chenghe,” which was renamed “FST Ltd.” upon the Closing, as defined below), FST Merger Ltd., a Cayman Islands exempted company with limited liability and a direct wholly owned subsidiary of the Company (“Merger Sub”), and Femco Steel Technology Co., Ltd., a company limited by shares incorporated and in existence under the laws of Taiwan with uniform commercial number of 04465819 (“Femco”). Pursuant to the Business Combination Agreement, (a) the Company acquired all of the issued and outstanding shares of Femco held by shareholders of Femco in exchange for ordinary shares of the Company, such that Femco became a wholly owned subsidiary of the Company and the shareholders of Femco became shareholders of the Company; and immediately thereafter (b) Merger Sub merged with and into Chenghe, with Chenghe continuing as the surviving company and wholly owned subsidiary of the Company (such transactions, collectively, the “Business Combination”). The Business Combination was completed (the “Closing”) on January 15, 2025 (the “Closing Date”). This prospectus also relates to the issuance by the Company of up to 14,399,985 Ordinary Shares of the Company, issuable upon the exercise of warrants to purchase Ordinary Shares at an exercise price of $11.50 (the “Warrants”), which were issued on the Closing Date in exchange