Welcome to our dedicated page for Eureka Acquisition SEC filings (Ticker: EURKR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The SEC filings page for Eureka Acquisition Corp (related to the EURKR rights) provides a centralized view of the regulatory documents associated with this blank check company. Eureka Acquisition Corp describes itself as a SPAC incorporated as a Cayman Islands exempted company for the purpose of effecting a merger, share exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses. Its public communications reference several key U.S. Securities and Exchange Commission (SEC) filing types that are important for understanding its structure and transactions.
In connection with its initial public offering of units on the Nasdaq Capital Market, Eureka Acquisition Corp filed a registration statement on Form S-1, which was declared effective by the SEC. This document contains details about the units, including the Class A ordinary shares and the rights that trade under the symbol EURKR, as well as information about the company’s SPAC structure and use of a trust account.
For its proposed business combination with Marine Thinking Inc., the company has stated that it intends to file a registration statement on Form S-4, which will include a proxy statement/prospectus. This filing is expected to describe the terms of the business combination, the consideration of $130 million in Eureka shares to be paid to Marine Thinking’s shareholders at closing, and information about the combined company, which is expected to be renamed Marine Thinking Holdings Inc. and listed on Nasdaq, subject to regulatory and shareholder approvals and other customary closing conditions.
Eureka Acquisition Corp also refers to Current Reports on Form 8-K that will provide additional information about the proposed transaction and other corporate events, such as charter amendment proposals, trust account arrangements, and extraordinary general meetings. Through Stock Titan, users can access these filings as they become available from EDGAR and use AI-powered summaries to better understand the implications of lengthy registration statements and current reports, including how they relate to the EURKR rights and the broader capital structure of Eureka Acquisition Corp.
Eureka Acquisition Corp entered into a new unsecured promissory note with Marine Thinking Inc. for $150,000 to fund a one-month extension of its deadline to complete an initial business combination.
The payment into the company’s trust account extends the combination date from April 3, 2026 to May 3, 2026. The Extension Note bears no interest and is repayable on the earlier of completing the business combination or the company’s term expiry. Marine Thinking may choose to convert the note into private units at $10.00 per unit, with each unit consisting of one Class A ordinary share and a right to receive one-fifth of a Class A share after a business combination.
Eureka Acquisition Corp reported receiving a Nasdaq notice on April 6, 2026 stating it no longer meets the Nasdaq Capital Market’s Minimum Public Holders Rule, which requires at least 300 public holders. The notice is a deficiency notification only and does not immediately affect trading.
The company has 45 calendar days, until May 21, 2026, to submit a plan to regain compliance. If Nasdaq accepts the plan, Eureka Acquisition could receive up to 180 calendar days from the notice date to demonstrate compliance, or it may appeal if a plan is not accepted.
Eureka Acquisition Corp entered into a new financing arrangement to extend the deadline for completing its initial business combination. Marine Thinking Inc. deposited a $150,000 Monthly Extension Fee into Eureka’s trust account, allowing the business combination deadline to move from March 3, 2026 to April 3, 2026.
In return, Eureka issued Marine Thinking an unsecured, interest-free $150,000 Extension Promissory Note dated March 13, 2026. The note is payable upon either completion of the business combination or expiry of Eureka’s term and may be converted, at Marine Thinking’s option, into Eureka private units at $10.00 per unit, each unit consisting of one Class A ordinary share and one right to receive one-fifth of a Class A share.
Eureka Acquisition Corp filed its quarterly report, showing it remains a pre‑revenue SPAC focused on completing a business combination. For the three months ended December 31, 2025, it recorded a net loss of $118,289, driven mainly by $417,642 of general and administrative expenses, partly offset by $299,353 of interest on its trust investments.
The trust account held $32,087,675 tied to 2,930,233 Class A ordinary shares subject to possible redemption, while the company had cash of $32,797 and a working capital deficit of $1,492,915 as of December 31, 2025. Management discloses substantial doubt about its ability to continue as a going concern if no business combination is completed by up to July 3, 2026.
Eureka details its signed business combination agreement with Marine Thinking Inc., including a planned continuance to Canada and subsequent amalgamation, plus related support, voting, registration rights, lock‑up, option and finder’s agreements. Shareholders previously redeemed 2,819,767 Class A shares for approximately $29 million, and the sponsor is funding monthly extension fees through non‑interest‑bearing promissory notes convertible into private units.
Eureka Acquisition Corp extended the deadline to complete its initial business combination from February 3, 2026 to March 3, 2026 by depositing a $150,000 Monthly Extension Fee into its trust account. The fee was paid by its sponsor, Hercules Capital Management Corp.
In return, Eureka issued the sponsor an unsecured $150,000 Extension Promissory Note dated February 4, 2026. The note bears no interest and is due upon the earlier of completing a business combination or the company’s expiry date, and includes standard event-of-default triggers that can accelerate repayment.
The sponsor may choose to convert the principal into private units at $10.00 per unit, with each unit consisting of one Class A ordinary share and a right to receive one-fifth of a Class A ordinary share after a business combination. These units, if issued, are restricted from transfer until the business combination and carry registration rights.
Feis Equities LLC and Lawrence M. Feis filed an amended Schedule 13G reporting beneficial ownership of 285,592 Class A ordinary shares of Eureka Acquisition Corp, representing 8.43% of the class. This percentage is based on 3,388,233 Class A shares outstanding as of December 12, 2025.
The reporting persons state they have sole voting and dispositive power over these shares and no shared power. They also certify the holdings were not acquired to change or influence control of Eureka Acquisition Corp.