Columbus Acquisition extends merger deadline one month

Columbus Acquisition Corp extended the deadline to complete its initial business combination by one month.

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Form Type

8-K

Rhea-AI Filing Summary

Columbus Acquisition Corp extended the deadline to complete its initial business combination by one month. Under its Charter, the company could extend the April 22, 2026 deadline in one-month increments, up to January 22, 2027, by depositing a $50,000 monthly extension fee into its trust account.

On or about April 20, 2026, the company deposited $50,000, moving the deadline from April 22, 2026 to May 22, 2026. The fee was split, with $25,000 from Columbus Acquisition’s working capital and $25,000 from WISeSat.Space Corp., the proposed merger target under a November 9, 2025 business combination agreement.

Insights

Columbus Acquisition uses a one-month SPAC extension funded partly by its merger target.

Columbus Acquisition Corp exercised a Charter provision allowing one-month extensions of its deadline to complete an initial business combination. A $50,000 monthly extension fee was required to move the deadline from April 22, 2026 to May 22, 2026.

The fee was funded equally by the SPAC and its proposed target, WISeSat.Space Corp., with each contributing $25,000. This sharing aligns both parties’ interests in keeping the deal path open while preserving some of the SPAC’s own cash resources.

The Charter permits further monthly extensions up to January 22, 2027, so future filings may indicate whether additional $50,000 payments are made and how they are split, offering a view into ongoing commitment to the proposed transaction.

8-K Event Classification

2 items: 8.01, 9.01

2 items

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Figures

Monthly extension fee: $50,000 Company portion of fee: $25,000 Target portion of fee: $25,000 +4 more

7 metrics

Monthly extension fee $50,000 Required to extend business combination deadline by one month

Company portion of fee $25,000 Paid from Columbus Acquisition’s working capital

Target portion of fee $25,000 Paid by WISeSat.Space Corp under business combination agreement

Original deadline April 22, 2026 Initial deadline to complete business combination under Charter

Extended deadline May 22, 2026 New deadline after April 2026 extension payment

Final possible deadline January 22, 2027 Latest date allowed by Charter via monthly extensions

Business combination agreement date November 9, 2025 Agreement between Columbus Acquisition and WISeSat.Space

Key Terms

trust account, initial business combination, amended and restated memorandum and articles of association, Business Combination Agreement, +1 more

5 terms

trust account financial

"the Monthly Extension Fee was deposited into the Trust Account for the public shareholders"

A trust account is a special bank or brokerage account where assets are held and managed by a designated person or firm (the trustee) for the benefit of another person or group (the beneficiary). It matters to investors because it separates assets from personal or corporate funds, can protect assets, control how and when money is used, and may affect tax or legal rights—think of it as a locked drawer opened only under agreed rules.

initial business combination financial

"the Company had until April 22, 2026 to complete its initial business combination"

An initial business combination is the deal in which a special-purpose acquisition company (SPAC) merges with or acquires an operating business to bring that business onto public markets. Think of the SPAC as an empty shell that raises money from investors, then uses that cash to buy a private company—this transaction turns the private company into a public one and often changes its ownership, valuation, and access to capital, so investors should watch for shifts in risk, future growth prospects, and shareholder rights.

amended and restated memorandum and articles of association regulatory

"Pursuant to the amended and restated memorandum and articles of association (the “Charter”)"

A document that replaces and combines a company’s core governing papers into a single, updated set of rules spelling out the company’s purpose, share structure, voting rights and how decisions are made. Think of it as rewriting and consolidating a household’s rulebook so everyone knows who controls what and how major choices are handled. Investors watch these changes because they can alter ownership rights, governance, dividend policy and takeover protections, affecting value and control.

Business Combination Agreement regulatory

"pursuant to that certain business combination agreement dated as of November 9, 2025"

A business combination agreement is a detailed contract that lays out the terms for two companies to join together—covering price, how ownership will be split, the steps needed to close the deal, and what each side promises to do or avoid before closing. For investors it matters because the agreement determines potential changes in value, control, timing, and risk exposure—think of it like the playbook for a merger that shows who wins, who pays, and what could still derail the plan.

emerging growth company regulatory

"Emerging growth company"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Columbus Acquisition Corp (COLA) announce in this Form 8-K?

Columbus Acquisition Corp disclosed that it extended the deadline to complete its initial business combination by one month, moving it from April 22, 2026 to May 22, 2026, by depositing a required $50,000 extension fee into its trust account for public shareholders.

How much was the monthly extension fee for Columbus Acquisition Corp (COLA)?

The monthly extension fee was $50,000. This amount was deposited into the company’s trust account to extend the business combination deadline by one month, as permitted under its amended and restated memorandum and articles of association, referred to as the Charter.

Who funded the extension payment for Columbus Acquisition Corp (COLA)?

The $50,000 extension payment was split evenly. Columbus Acquisition Corp contributed $25,000 from its working capital, and WISeSat.Space Corp, the proposed business combination target, contributed $25,000 under the existing business combination agreement dated November 9, 2025.

What is the new business combination deadline for Columbus Acquisition Corp (COLA)?

After the extension, Columbus Acquisition Corp’s deadline to consummate its initial business combination moved from April 22, 2026 to May 22, 2026. Under its Charter, the company may continue extending in one-month increments up to January 22, 2027 if required payments are made.

What agreement links Columbus Acquisition Corp (COLA) and WISeSat.Space Corp?

Columbus Acquisition Corp and WISeSat.Space Corp are parties to a business combination agreement dated November 9, 2025. Under this agreement, WISeSat.Space Corp contributed $25,000 of the April 2026 monthly extension fee in connection with the proposed business combination between the two companies.

Where is Columbus Acquisition Corp (COLA) incorporated and listed?

Columbus Acquisition Corp is incorporated in the Cayman Islands and has its units, ordinary shares, and rights listed on The Nasdaq Stock Market LLC. Its ordinary shares trade under the symbol COLA, with related units trading as COLAU and rights as COLAR.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/24/2026 - 04:00 PM

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): April 20, 2026

COLUMBUS ACQUISITION CORP

(Exact name of registrant as specified in its charter)

Cayman Islands	001-42485	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 ordinary share, $0.0001 par value, and one Right to acquire one-seventh of one ordinary share	COLAU	The Nasdaq Stock Market LLC
Ordinary shares, par value $0.0001 per share	COLA	The Nasdaq Stock Market LLC
Rights, each whole right to acquire one-seventh of one ordinary share	COLAR	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 8.01. Other Events.

Pursuant to the amended and restated memorandum and articles of association (the “Charter”) of Columbus Acquisition Corp, a Cayman Islands exempted company (the “Company”), the Company had until April 22, 2026 to complete its initial business combination, however the Company may extend the period of time to consummate a business combination up to January 22, 2027, each by a one-month extension, subject to the deposit of $50,000 (the “Monthly Extension Fee”) into the trust account of the Company (the “Trust Account”).

On or about April 20, 2026, an aggregate of $50,000 of the Monthly Extension Fee was deposited into the Trust Account for the public shareholders, which enabled the Company to extend the period of time it has to consummate its initial business combination by one month from April 22, 2026 to May 22, 2026. Among the Monthly Extension Fee, $25,000 was paid from the Company’s working capital, and the remaining $25,000 was paid by WISeSat.Space Corp., a British Virgin Islands business company (the “Target”) pursuant to that certain business combination agreement dated as of November 9, 2025 (as it may be amended, supplemented, or otherwise modified from time to time, the “Business Combination Agreement”) by and among the Company, the Target and other parties thereto in connection with a proposed business combination.

Item 9.01 Financial Statements and Exhibits.

Exhibit No.		Description of Exhibits
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.

	Columbus Acquisition Corp

	By:	/s/ Fen Zhang
	Name:	Fen Zhang
	Title:	Chief Executive Officer

Date: April 24, 2026

Source: View Original Filing on SEC EDGAR

Filing Exhibits & Attachments

4 documents

Columbus Acquisition extends merger deadline one month

Rhea-AI Filing Summary