Welcome to our dedicated page for Eureka Acquisition SEC filings (Ticker: EURK), 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.
Eureka Acquisition Corp filings document the regulatory record of a Cayman Islands blank-check company with Nasdaq-listed units, Class A ordinary shares, and rights. Its current reports describe material definitive agreements, capital-structure terms, trust-account and extension mechanics, shareholder-vote matters, and written communications filed under Securities Act Rule 425.
The company’s filings also disclose SPAC governance matters, emerging growth company status, registered security classes, and listing-compliance events. These records center on the issuer’s blank-check purpose, redemption framework, rights structure, and public-company obligations before completion of an initial business combination.
Eureka Acquisition Corp, a Cayman Islands-based SPAC, reported unaudited results for the quarter ended March 31, 2026. Total assets were $33.0 million, almost all in a Trust Account of $32.8 million, with cash outside the trust of $151,622 and a shareholders’ deficit of about $2.1 million.
The company generated quarterly net income of $149,356, driven by $272,856 of interest on the Trust Account, while general and administrative expenses were $123,500. After significant prior redemptions, 2,930,233 Class A shares remain subject to redemption, and total ordinary shares outstanding were 4,825,733.
Eureka has a proposed Business Combination with Marine Thinking Inc. and has extended its transaction deadline through monthly extension fees of $150,000 each, funded by its sponsor and Marine Thinking via non‑interest-bearing promissory notes. Management discloses substantial doubt about the company’s ability to continue as a going concern if no Business Combination is completed by July 3, 2026.
Eureka Acquisition Corp filed an 8-K reporting a $150,000 monthly extension fee deposited into its trust account on May 4, 2026 that extends the deadline to complete its initial business combination from May 3, 2026 to June 3, 2026. The fee was paid by Marine Thinking Inc., and the Company issued an unsecured promissory note in the principal amount of $150,000 (the "Extension Note") dated April 4, 2026 to Marine Thinking. The Extension Note bears no interest and is payable upon the earlier of consummation of the business combination or the Company’s term expiry, and is convertible, at Marine Thinking’s option, into Units at $10.00 per Unit by providing notice at least two business days prior to closing.
The filing references a pending business combination under a previously executed business combination agreement with Marine Thinking and notes registration and proxy materials filed on Form S-4. The Extension Note was issued pursuant to an exemption from registration under Section 4(a)(2) of the Securities Act.
Eureka Acquisition Corp entered a financing arrangement to extend the deadline for completing its initial business combination. Marine Thinking Inc. paid a $150,000 Monthly Extension Fee into Eureka’s trust account on May 4, 2026, moving the SPAC deadline from May 3 to June 3, 2026.
In return, Eureka issued Marine Thinking an unsecured, interest-free promissory note for $150,000, due at either the business combination closing or the SPAC’s expiry. Marine Thinking may instead convert the note into private units at $10.00 per unit, each unit consisting of one Class A share and a right to receive one‑fifth of a share after a business combination.
The charter allows further one‑month extensions up to July 3, 2026, subject to additional Monthly Extension Fees. The filing also notes that units issuable upon conversion are subject to transfer restrictions until completion of the business combination and carry registration rights.
Eureka Acquisition Corp filed a Form S-4 combining a proxy statement and prospectus to effect a business combination with Marine Thinking Inc. The transaction contemplates issuing up to 19,540,264 Pubco Class A Shares to reflect the conversion of 13,120,231 Marine Thinking shares (on a fixed basis) and uses a Total Share Consideration formula anchored at $130.0 million. The SPAC will domesticate to Canada (the SPAC Continuance) and, at closing, Pubco Class A Shares are expected to trade on Nasdaq. The board recommends shareholder approval of multiple linked proposals, including amendments to organizational documents, the business combination, and related corporate governance matters. The filing discloses sponsor holdings, founder/shareholder conversion mechanics, redemption procedures for public shareholders, pro forma ownership under five redemption scenarios, and a fairness opinion from KKG.
Eureka Acquisition Corp issued an unsecured promissory note for $150,000 to Marine Thinking Inc. to cover a one‑month extension of its SPAC combination deadline from April 3, 2026 to May 3, 2026. The Extension Note is non‑interest bearing and payable on the earlier of the closing of the business combination or the company’s term expiry; the note is convertible, at Marine Thinking’s option, into Units at $10.00 per Unit by providing at least two business days’ written notice before closing.
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: Karpus Management, Inc. reported beneficial ownership of 200,925 shares of common stock, representing 4.16% of the class as of the reporting period. The statement is filed on Schedule 13G/A and is signed by Karpus' Chief Compliance Officer.
Eureka Acquisition Corp issued an unsecured promissory note for $150,000 to Marine Thinking Inc. to reimburse a one-month extension fee, extending the period to consummate its initial business combination from March 3, 2026 to April 3, 2026.
The Extension Note dated March 13, 2026 bears no interest and is payable upon the earlier of consummation of the business combination or the company’s term expiry. Marine Thinking may convert principal into private Units at $10.00 per Unit by giving at least two business days’ written notice prior to closing.
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.