Eureka Acquisition Corp, trading on Nasdaq under the ticker EURK, is a special purpose acquisition company that filed an amended registration statement on Form S-4/A with the Securities and Exchange Commission on August 17, 2026, under accession number 0001213900-26-090328. The S-4/A filing is a standard amendment to the proxy and registration statement used in connection with a proposed business combination, indicating that the company's de-SPAC transaction is advancing through the SEC review process. As a blank-check company, Eureka Acquisition Corp was formed for the purpose of effecting a merger or similar transaction with a target operating business. Visit SpacDesk and create a free account for complete filing history, deal timelines, and sponsor data on Eureka Acquisition Corp and hundreds of other active SPAC transactions.