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.
Investors know that a SPAC’s paperwork can feel like a maze—especially when capital raises, trust redemptions, and business-combination votes all show up in one document. Eureka Acquisition Corp’s filings are no exception; its 10-K details the trust account while each 8-K reveals whether a new merger target is on the horizon. If you have ever typed “Eureka Acquisition Corp SEC filings explained simply” into Google, this page was built for you.
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Eureka Acquisition Corp, a Cayman Islands blank check company listed on Nasdaq, reports its first full fiscal year as a public SPAC and details a pending business combination.
In July 2024 it raised $57.5 million by selling 5,750,000 public units at $10.00 each and placing the proceeds in a trust account, alongside 228,000 private units. On June 30, 2025, holders redeemed 2,819,767 Class A shares, and approximately $29 million was released from the trust.
On October 29, 2025, EURK entered a business combination agreement with Marine Thinking Inc., an autonomous ship and fleet solutions company, and a Canadian subsidiary. The structure includes domestication to Canada as “Marine Thinking Holdings Inc.” followed by an amalgamation that will leave the combined operating company as a wholly owned subsidiary.
For the year ended September 30, 2025, EURK reported net income of $1,370,753, driven by $2,230,500 of interest on trust investments and $859,747 of general and administrative expenses. Cash outside the trust was $51,431 with a working capital deficiency of $625,273, and management cites substantial doubt about its ability to continue as a going concern if no business combination is completed by the current deadline.
Eureka Acquisition Corp had a group of affiliated investors report a series of open‑market sales of its Class A ordinary shares. The transactions occurred on several dates between 11/04/2025 and 12/10/2025, with small blocks of shares sold at prices such as $10.88, $10.89, $10.91 and $11.07 per share.
After these sales, 395,924 Class A ordinary shares were reported as beneficially owned indirectly through Wolverine Flagship Fund Trading Limited. The report is a joint filing by Wolverine Flagship Fund Trading Limited and related entities, including Wolverine Asset Management, LLC, which state they may be deemed to beneficially own the reported shares through their roles with the fund while disclaiming beneficial ownership beyond their pecuniary interests.
Eureka Acquisition Corp (EURK): Reporting persons disclosed open‑market sales of Class A Ordinary Shares indirectly held by Wolverine Flagship Fund Trading Limited. Transactions occurred at $10.88 per share on 11/04 (20 shares), 11/05 (18), 11/06 (4), and 11/07/2025 (1,000), totaling 1,042 shares.
Following these trades, indirect beneficial ownership stands at 397,336 Class A Ordinary Shares held through the fund, as reflected after the 11/07/2025 transaction.
Eureka Acquisition Corp (EURK) entered a financing arrangement to extend its SPAC timeline. The company deposited $150,000 into its trust on October 31, 2025, extending the deadline to complete a business combination by one month, from November 3, 2025 to December 3, 2025. Under its charter, the period may be extended monthly, up to July 3, 2026, with each extension requiring a $150,000 deposit.
The deposit was funded by the Sponsor, Hercules Capital Management Corp, in exchange for an unsecured, zero‑interest promissory note dated November 4, 2025, payable upon the earlier of the business combination or the company’s expiry. The Sponsor may convert amounts due into 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 ordinary share upon closing. Any such units would be restricted from transfer until the business combination and carry registration rights. The issuance relies on Section 4(a)(2) of the Securities Act.
Eureka Acquisition Corp (EURK) entered into a Business Combination Agreement with Marine Thinking Inc. The SPAC will deregister from the Cayman Islands and domesticate to Canada, changing its name to Marine Thinking Holdings Inc., then complete an amalgamation in which Marine Thinking becomes a wholly owned subsidiary.
The exchange ratio (the “Amalgamation Multiple”) is based on Total Share Consideration of $130.0 million (plus any net Pre‑IPO investment, capped at $6.5 million) divided by $10.0 per SPAC Class A Share. At closing, each Unit splits into one Class A share and one Right, and each Right converts into one‑fifth of a Class A share; each Class B share converts into one Class A share. Governance post‑closing targets a seven‑member board with six Company designees (including four “independent” and one “financial expert”) and one Sponsor designee.
The parties agreed to support, voting, registration rights, and 365‑day lock‑up arrangements. The BCA includes mutual $2,000,000 termination fee triggers in specified cases. Prior agreements include an option over 583,333 SPAC shares for $1,750,000 (with a $1.00 exercise price for all option securities) and a finder fee payable in shares equal to 3% of Company Valuation divided by the Redemption Price.
Eureka Acquisition Corp (EURK) disclosed a small insider transaction. Affiliates of a 10% owner reported selling 14 Class A ordinary shares at $10.82 on July 16, 2025. After this sale, the reporting group beneficially owned 398,378 shares, held indirectly through Wolverine Flagship Fund Trading Limited, for which Wolverine Asset Management, LLC serves as manager. The report was filed jointly by multiple reporting persons.
Eureka Acquisition Corp (EURK) reporting persons filed an amended Form 3 to reflect a change in status to over 10% beneficial ownership following shareholder redemptions. The filing lists 398,392 Class A Ordinary Shares beneficially owned indirectly by Wolverine Asset Management, LLC as manager of Wolverine Flagship Fund Trading Limited. The status change was triggered by the redemption of 3,038,722 shares by other holders, as reported on July 2, 2025, and the reporting persons state they have not acquired additional shares since being pushed above 10%.
Eureka Acquisition Corp filed an 8-K disclosing a material financing-related event: the company issued an Extension Promissory Note dated
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