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 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.
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.
Eureka Acquisition Corp entered into two unsecured promissory notes with its sponsor, Hercules Capital Management Corp, to support its business combination process. On January 2, 2026, the sponsor deposited a $150,000 monthly extension fee into the company’s trust account, allowing Eureka to extend its deadline to complete an initial business combination from January 3, 2026 to February 3, 2026. In return, the company issued a zero-interest Extension Note for $150,000, payable at the earlier of a business combination or the company’s expiry, and convertible at the sponsor’s option into private units at $10.00 per unit, each unit consisting of one Class A ordinary share and a right to receive one-fifth of a Class A share.
On January 6, 2026, Eureka also issued a zero-interest Sponsor Note in a principal amount of up to $300,000 for general working capital, with similar maturity and default terms and the same optional conversion into units at $10.00 per unit. Any units issued upon conversion of these notes will be restricted from transfer, with limited exceptions, until the completion of the company’s initial business combination and will have registration rights.