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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):
August 13, 2026 (August 11, 2026)
| Eureka Acquisition Corp |
| (Exact name of registrant as specified in its charter) |
| Cayman Islands |
|
001-42152 |
|
N/A |
| (State or other jurisdiction |
|
(Commission File Number) |
|
(IRS Employer |
| of incorporation) |
|
|
|
Identification Number) |
14 Prudential Tower
Singapore 049712
(Address of principal executive offices)
(+1) 949 899 1827
(Registrant’s telephone number, including
area code)
Former name or former address, if changed since
last report.)
Check the appropriate box below if the Form 8-K
filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
| ☒ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
| ☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
| ☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
| ☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |
Securities registered pursuant to Section 12(b) of the Act.
| Title of each class |
|
Trading Symbol |
|
Name of each exchange on which registered |
| Units, consisting of one Class A ordinary share, $0.0001 par value, and one Right to acquire one-fifth of one Class A ordinary share |
|
EURKU |
|
The Nasdaq Stock Market LLC |
| Class A ordinary shares, par value $0.0001 per share |
|
EURK |
|
The Nasdaq Stock Market LLC |
| Rights, each whole right to acquire one-fifth of one Class A ordinary share |
|
EURKR |
|
The Nasdaq Stock Market LLC |
Indicate by check mark whether the registrant
is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2
of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☒
If an emerging growth company, indicate by check
mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting
standards provided pursuant to Section 13(a) of the Exchange Act.
Item 1.01. Entry into a Material Definitive Agreement
The disclosures set forth under Item 2.03 are incorporated
by reference.
Item 2.03 Creation of a Direct Financial Obligation
or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
Pursuant to the amended and
restated memorandum and articles of association (the “Charter”) of Eureka Acquisition Corp, a Cayman Islands exempted
company (the “Company”), the Company had until August 3, 2026 to complete its initial business combination, however
the Company may extend the period of time to consummate a business combination up to July 3, 2027, each by a one-month extension, subject
to the deposit of $8,253.03 (the “Monthly Extension Fee”) into the trust account of the Company (the “Trust
Account”).
On August 3, 2026, an aggregate
of $8,253.03 of the Monthly Extension Fee was deposited into the Trust Account for the public shareholders, which enables the Company
to extend the period of time it has to consummate its initial business combination by one month from to August 3, 2026 to September 3,
2026 (the “Extension”). The payment of the Monthly Extension Fee was made by Marine Thinking Inc. (“Marine
Thinking”), pursuant to that certain business combination agreement dated as of October 29, 2025 (as the same may be amended,
supplemented or otherwise modified from time to time, the “BCA”), with Marine Thinking, an autonomous ship and fleet
solution providing company incorporated under the Canada Business Corporations Act (“CBCA”), and 17358750 Canada Inc.,
a company incorporated under the CBCA and a wholly-owned subsidiary of Eureka (the “Amalgamation Sub”).
The Company issued an unsecured
promissory note in the aggregate principal amount of $8,253.03 (the “Extension Note”) dated August 11, 2026 to Marine
Thinking in connection with the payment of the Monthly Extension Fee.
The Extension Note bears no
interest and is payable in full upon the earlier to occur of (i) the consummation of the Company’s business combination or (ii)
the date of expiry of the term of the Company (the “Maturity Date”). The following shall constitute an event of default:
(i) a failure to pay the principal within five business days of the Maturity Date; (ii) the commencement of a voluntary or involuntary
bankruptcy action, (iii) the breach of the Company’s obligations thereunder; (iv) any cross defaults; (v) an enforcement proceedings
against the Company; and (vi) any unlawfulness and invalidity in connection with the performance of the obligations thereunder, in which
case the Extension Note may be accelerated.
The payee of the Extension
Note, Marine Thinking or its registered assignees or successors in interest, has the right, but not the obligation, to convert the Extension
Note, in whole or in part, respectively, into private units (the “Units”) of the Company, each consisting of one Class
A ordinary share, par value $0.0001 per share (the “Class A Ordinary Share”) and one right to receive one-fifth (1/5)
of one Class A Ordinary Share upon the consummation of a business combination, as described in the prospectus of the Company (File No:
333-277780), by providing the Company with written notice of the intention to convert at least two business days prior to the closing
of the business combination. The number of Units to be received by Marine Thinking in connection with such conversion shall be an amount
determined by dividing (x) the sum of the outstanding principal amount payable to Marine Thinking by (y) $10.00.
The issuance of the Extension
Note was made pursuant to the exemption from registration contained in Section 4(a)(2) of the Securities Act of 1933, as amended.
A copy of the Extension Note
is attached as Exhibit 10.1 to this Current Report on Form 8-K and is incorporated herein by reference. The foregoing description of the
Extension Note does not purport to be complete and is subject to, and is qualified in its entirety by, the full text of the Extension
Note.
Item 3.02 Unregistered Sales of Equity Securities
The information disclosed
under Item 2.03 of this Current Report on Form 8-K is incorporated by reference into this Item 3.02 to the extent required herein. The
Units (and the underlying securities) issuable upon conversion of the Note, if any, (1) may not, subject to certain limited exceptions,
be transferable or salable by Marine Thinking until the completion of the Company’s initial business combination and (2) are entitled
to registration rights.
Additional Information and Where to Find It
In connection with the proposed
transaction, the Company filed with the SEC a registration statement on Form S-4 (File No. 333-295483) that includes a proxy statement
for the shareholders of the Company that also constitutes a prospectus of the Company. The Company urges investors, shareholders and other
interested persons to read the preliminary proxy statement/prospectus as well as other documents filed with the SEC because these documents
will contain important information about the Company, Marine Thinking, Amalgamation Sub and the proposed transactions. After the registration
statement is declared effective, the definitive proxy statement/prospectus to be included in the registration statement will be mailed
to shareholders of the Company as of a record date to be established for voting on the proposed transactions. Shareholders will also be
able to obtain a copy of the proxy statement/prospectus, without charge by directing a request to eric.zhang@herculescapital.group. The
preliminary and definitive proxy statement/prospectus to be included in the registration statement, once available, can also be obtained,
without charge, at the SEC’s website (www.sec.gov).
No Offer or Solicitation
This Current Report on Form
8-K is not a proxy statement or solicitation of a proxy, consent or authorization with respect to any securities or in respect of the
proposed transactions described herein, and does not constitute an offer to sell or a solicitation of an offer to buy any securities of
the Company or the Marine Thinking, or a solicitation of any vote or approval, nor shall there be any sale of securities in any jurisdiction
in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such
jurisdiction. No offer of securities shall be made except by means of a prospectus meeting the requirements of the Securities Act of 1933,
as amended.
Participants in the Solicitation
The Company, Marine Thinking
and their respective directors and executive officers may be considered participants in the solicitation of proxies with respect to the
proposed transactions under the rules of the SEC. Information about the directors and executive officers of the Company is set forth in
the Company’s most recent Annual Report on Form 10-K, which was filed with the SEC on December 15, 2025. Information regarding the
persons who may, under the rules of the SEC, be deemed participants in the solicitation of the stockholders in connection with the proposed
transactions will be set forth in the proxy statement/prospectus when it is filed with the SEC. These documents can be obtained free of
charge from the sources indicated above.
Forward-Looking Statements
Certain statements contained
in this Current Report on Form 8-K may be considered forward-looking statements within the meaning of the U.S. Private Securities Litigation
Reform Act of 1995, Section 27A of the Securities Act and Section 21E of the Exchange Act, including statements regarding the proposed
transaction involving the Company and Marine Thinking, and the ability to consummate the proposed transaction. Forward-looking statements
generally include statements that are predictive in nature and depend upon or refer to future events or conditions, and include words
such as “may,” “will,” “should,” “would,” “expect,” “anticipate,”
“plan,” “likely”, “believe,” “estimate,” “project,” “intend,”
and other similar expressions among others. Statements that are not historical facts are forward-looking statements. Forward-looking statements
are based on current beliefs and assumptions that are subject to risks and uncertainties and are not guarantees of future performance.
Actual results could differ materially from those contained in any forward-looking statement as a result of various factors, including,
without limitation: (i) the risk that the conditions to the closing of the proposed transaction are not satisfied, including the failure
to timely or at all obtain shareholder approval for the proposed transaction or the failure to timely or at all obtain any required regulatory
approval; (ii) uncertainties as to the timing of the consummation of the proposed transaction and the ability of each of involving the
Company and Marine Thinking to consummate the proposed transaction; (iii) the possibility that other anticipated benefits of the proposed
transaction will not be realized, and the anticipated tax treatment of the proposed transaction; (iv) the occurrence of any event that
could give rise to termination of the proposed transaction; (v) the risk that shareholder litigation in connection with the proposed transaction
or other settlements or investigations may affect the timing or occurrence of the proposed transaction or result in significant costs
of defense, indemnification and liability; (vi) changes in general economic and/or industry specific conditions; (vii) possible disruptions
from the proposed transaction that could harm the Company business; (viii) the ability of the Company to retain, attract and hire key
personnel; (ix) potential adverse reactions or changes to relationships with customers, employees, suppliers or other parties resulting
from the announcement or completion of the proposed transaction; (x) potential business uncertainty, including changes to existing business
relationships, during the pendency of the proposed transaction that could affect the Company’s financial performance; (xi) legislative,
regulatory and economic developments; (xii) unpredictability and severity of catastrophic events, including, but not limited to, acts
of terrorism, outbreak of war or hostilities and any epidemic, pandemic or disease outbreak, as well as management’s response to
any of the aforementioned factors; and (xiii) other risk factors as detailed from time to time in the Company’s reports filed with
the SEC, including the Company’s annual report on Form 10-K, periodic quarterly reports on Form 10-Q, periodic current reports on
Form 8-K and other documents filed with the SEC. The foregoing list of important factors is not exclusive. Neither the Company nor Marine
Thinking can give any assurance that the conditions to the proposed transaction will be satisfied. Except as required by applicable law,
neither the Company nor Marine Thinking undertakes any obligation to revise or update any forward-looking statement, or to make any other
forward-looking statements, whether as a result of new information, future events or otherwise.
Item 9.01 Financial Statements and Exhibits
| Exhibit No. |
|
Description of Exhibits |
| 10.1 |
|
Extension Promissory Note dated August 11, 2026, issued by the Company to Marine Thinking Inc. |
| 104 |
|
Cover Page Interactive Data File (embedded within the Inline XBRL document) |
SIGNATURES
Pursuant to the requirements
of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.
| |
Eureka Acquisition Corp |
| |
|
| |
By: |
/s/ Fen Zhang |
| |
Name: |
Fen Zhang |
| |
Title: |
Chief Executive Officer |
| |
|
|
| Date: August 13, 2026 |
|
|
