Welcome to our dedicated page for Eureka Acquisition SEC filings (Ticker: EURKU), 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's SEC filings document the disclosure framework of a Cayman Islands SPAC with Nasdaq-listed units, Class A ordinary shares and rights. The filings describe its security structure, including units composed of one Class A ordinary share and one right to acquire one-fifth of a Class A ordinary share.
Its regulatory record includes Form 8-K reports for material definitive agreements, Rule 425 written communications, continued-listing notices, shareholder-vote matters, governance disclosures and capital-structure updates. The filings also identify the company as an emerging growth company and provide formal records for trust-account, redemption and business-combination process matters.
Eureka Acquisition Corp entered into a new financing arrangement to extend the time it has to complete its initial business combination. Marine Thinking Inc. deposited $150,000 into Eureka’s trust account, allowing the deadline to move from June 3, 2026 to July 3, 2026.
In return, Eureka issued a $150,000 unsecured, non‑interest‑bearing Extension Promissory Note to Marine Thinking, payable at the earlier of completing a business combination or the company’s expiry date. 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 Class A share after a business combination.
Eureka Acquisition Corp entered into a new financing arrangement to extend the time it has to complete its initial business combination. Marine Thinking Inc. deposited $150,000 into Eureka’s trust account, allowing the deadline to move from June 3, 2026 to July 3, 2026.
In return, Eureka issued a $150,000 unsecured, non‑interest‑bearing Extension Promissory Note to Marine Thinking, payable at the earlier of completing a business combination or the company’s expiry date. 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 Class A share after a business combination.
Eureka Acquisition Corp reported that Nasdaq has granted more time to fix its shareholder base issue. On June 5, 2026, the company received a letter from Nasdaq’s Listing Qualifications Department extending its deadline to comply with Nasdaq Listing Rule 5550(a)(3), the Minimum Public Holders Rule, until October 3, 2026.
The company had previously been notified that it failed to meet this requirement and submitted a compliance plan on April 20, 2026. This extension gives Eureka additional time to regain compliance and maintain its Nasdaq listing, but underscores ongoing pressure to increase the number of public holders.
Eureka Acquisition Corp reported that Nasdaq has granted more time to fix its shareholder base issue. On June 5, 2026, the company received a letter from Nasdaq’s Listing Qualifications Department extending its deadline to comply with Nasdaq Listing Rule 5550(a)(3), the Minimum Public Holders Rule, until October 3, 2026.
The company had previously been notified that it failed to meet this requirement and submitted a compliance plan on April 20, 2026. This extension gives Eureka additional time to regain compliance and maintain its Nasdaq listing, but underscores ongoing pressure to increase the number of public holders.
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, 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 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 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 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 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 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 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 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.
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.
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.