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Eureka Acquisition Corp extended the deadline to complete its initial business combination by one month, from August 3, 2026 to September 3, 2026, by depositing a $8,253.03 Monthly Extension Fee into its trust account, as permitted under its charter.
The fee was paid on August 3, 2026 by Marine Thinking Inc. under an existing business combination agreement, and Eureka issued Marine Thinking an unsecured Extension Promissory Note for $8,253.03. The note bears no interest and is due on the earlier of consummation of the business combination or the company’s expiry. Marine Thinking may elect to convert the note 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 upon completion of a business combination. The company has filed a Form S-4 registration statement that includes a proxy statement/prospectus for the proposed transaction with Marine Thinking.
Mizuho Financial Group, Inc., as a parent holding company, reports that it no longer holds a beneficial ownership position in the common shares of Eureka Acquisition Corp. The filing states that Mizuho has 0 shares beneficially owned, representing 0.0% of the class, with no sole or shared voting or dispositive power over any shares.
The disclosure notes that Mizuho Financial Group, Inc., Mizuho Bank, Ltd. and Mizuho Americas LLC may be deemed indirect beneficial owners of equity securities directly held by their wholly owned subsidiary, Mizuho Securities USA LLC, but for this issuer the reported beneficial ownership is zero. The report is signed by Managing Director Takahiro Katsura on behalf of Mizuho Financial Group, Inc.
W. R. Berkley Corporation filed an amended Schedule 13G for Eureka Acquisition Corp (Class A ordinary shares), stating that it currently beneficially owns 0 shares of this class. The filing reports 0% of the class outstanding as of the reported date.
The company reports no sole or shared voting power and no sole or shared dispositive power over any Class A ordinary shares. A related subsidiary, Berkley Insurance Company, is identified in the ownership structure, with details referenced in Exhibit 99.1.
Eureka Acquisition Corp, a Cayman Islands SPAC, reported unaudited results for the period ended June 30, 2026 while pursuing a Business Combination with Canadian autonomous shipping company Marine Thinking Inc. The structure includes a continuance to Canada and an amalgamation that would make Marine Thinking a wholly owned subsidiary.
Total assets were $33,636,929, largely investments in the Trust Account of $33,539,031, with only $22,727 of cash outside the trust. For the quarter, Eureka recorded general and administrative expenses of $199,268 and interest income on the Trust Account of $278,500, resulting in net income of $79,232; nine‑month net income was $110,299, driven entirely by interest on trust assets.
Heavy redemptions continued: at the June 29, 2026 meeting, holders redeemed 2,655,132 Class A shares for $30,387,444, leaving 275,101 public Class A shares outstanding and creating a working capital deficit of $33,103,127. Sponsor and target-funded Monthly Extension Fees, documented via $1,658,253.03 of promissory and extension notes at June 30, 2026, support extensions through up to July 3, 2027. Management states that mandatory liquidation if no deal closes and the need for additional financing raise substantial doubt about Eureka’s ability to continue as a going concern. A Nasdaq notice cited noncompliance with the Minimum Public Holders Rule, with an extension to October 3, 2026 to regain compliance.
Feis Equities LLC and Lawrence M. Feis report that they beneficially own 0 Class A ordinary shares of Eureka Acquisition Corp, representing 0% of the class. This is based on 733,101 Class A ordinary shares outstanding as of June 29, 2026, as reported by the issuer.
Both reporting persons state they have no sole or shared voting or dispositive power over any Class A ordinary shares. They each confirm ownership of 5 percent or less of this class, with their business address in Glenview, Illinois.
Eureka Acquisition Corp. ownership update: an Amendment No. 1 Schedule 13G/A names Wolverine Asset Management, LLC, Wolverine Holdings, LLC, Christopher L. Gust and Robert R. Bellick and reports they each have 0 Class A Ordinary Shares beneficially owned (0%). The filing lists CUSIP G32168109 and shows signature dates of 07/09/2026, with the form referencing 07/06/2026.
Wolverine Flagship Fund Trading Limited, an entity associated with several former 10% owners of Eureka Acquisition Corp, elected to redeem 395,924 Class A Ordinary Shares for cash in connection with the company’s special meeting of stockholders on June 29, 2026. The estimated redemption price is approximately $11.44 per share, and the reporting persons plan to amend the filing if the final price is materially different. Following this redemption-related transaction, the indirect reported holdings of these shares were reduced to 0 shares, and the reporting persons disclaim beneficial ownership except to the extent of any pecuniary interest.
Eureka Acquisition Corp reported shareholder approval to extend its deadline to complete a business combination to July 3, 2026, with the option of up to twelve additional one‑month extensions to July 3, 2027. Each Monthly Extension requires a $8,253.03 deposit into the company’s trust account. If a Monthly Extension Fee is not paid and remains unpaid after a 30‑day Cure Period, the company must cease operations other than winding up and proceed to liquidate and dissolve.
Shareholders also approved the engagement of Marcum Asia CPAs LLP as auditor for the year ending September 30, 2026. In connection with the charter amendment vote, holders of 2,655,132 Class A ordinary shares elected redemption, leaving 733,101 Class A and 1,437,500 Class B ordinary shares outstanding.
Eureka Acquisition Corp filed a current report describing an amendment to its previously announced business combination agreement with Marine Thinking Inc. and its wholly owned Amalgamation Sub. The original agreement was signed on October 29, 2025 under the Canada Business Corporations Act framework.
On June 12, 2026, the parties executed Amendment No. 1, which changes section 5.19 of the agreement to revise the requirements for the post-closing directors of Eureka Acquisition Corp. All other terms of the business combination agreement remain unchanged and in full force. The complete amendment text is filed as Exhibit 2.1 to this report.
Eureka Acquisition Corp is calling a June 29, 2026 shareholder meeting to vote on extending the life of its SPAC, approving its auditor, and allowing a possible adjournment. The key Charter Amendment Proposal would move the deadline to complete a business combination to July 3, 2026, with up to twelve one‑month extensions to July 3, 2027, funded by a Monthly Extension Fee of the lesser of $15,000 or $0.03 per remaining public share paid into the trust.
The extension is intended to give more time to close Eureka’s planned business combination with Marine Thinking Inc., an autonomous ship and fleet solutions company, or another deal. Public shareholders may redeem their Class A shares in connection with the amendment for an estimated $11.42 per share based on the trust value as of the record date, compared with a $12.89 Nasdaq trading price. The trust held about $33.46 million at the record date, and there were 3,388,233 Class A and 1,437,500 Class B shares outstanding. Initial shareholders hold 1,665,500 shares, or 34.51%, and plan to vote for all proposals.