Form 8-K

8-K — Columbus Acquisition Corp/Cayman Islands

Accession: 0001213900-26-098977

Filed: 2026-09-11

Period: 2026-09-10

CIK: 0002028201

SIC: 6770 (BLANK CHECKS)

Item: Other Events

Item: Financial Statements and Exhibits

Documents

8-K — ea0305161-8k_columbus.htm (Primary)

EX-99.1 — PRESS RELEASE DATED SEPTEMBER 11, 2026 (ea030516101ex99-1.htm)

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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): September

10, 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)

N/A

(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

On September 10, 2026, Columbus Acquisition Corp (the “Company”) convened its Extraordinary General Meeting of the Shareholders

(the “Meeting”), with a quorum present, for the purpose of approving the proposals set forth in the Company’s definitive

proxy statement filed with the SEC on August 19, 2026 (the “Proxy Statement”), including the proposed business combination

with WISeSat.Space Corp. The Chairman, exercising his authority as Chairman of the Meeting, adjourned the Meeting without submitting any

proposals to a shareholder vote

The Company will announce the date of the reconvened Meeting, and the extended redemption deadline (the “Extended Redemption Deadline”),

in the coming days. Public shareholders seeking to exercise their redemption rights must complete the procedures described in the Proxy

Statement by the Extended Redemption Deadline. As of September 8, 2026, there was approximately $10.66 per share in trust.

The record date for determining the Company shareholders

entitled to receive notice of and to vote at the Meeting remains the close of business on August 17, 2026 (the “Record Date”).

Shareholders as of the Record Date are eligible to vote, even if they have subsequently sold their shares.

If you have already voted, you do not need to

vote again unless you would like to change or revoke your prior vote on any proposal.

If you have already submitted a proxy and do

not wish to change your vote, you need not take any further action. If you have submitted a proxy and wish to change your vote, you may

revoke your proxy at any time before it is exercised at the Meeting as provided in the Proxy Statement. Please note, however, that if

your shares are held in street name by a broker or other nominee and you wish to revoke a proxy, you must contact the broker or nominee

to revoke any prior voting instructions.

The Company’s shareholders who have questions

regarding the adjournment, or the Meeting, or would like to request documents may contact the Company’s proxy solicitor, Advantage

Proxy, Inc., at:

Advantage Proxy, Inc. P.O. Box 10904

Yakima, WA 98909

Individuals call toll-free 1-877-870-8565

Banks and brokers call 1-206-870-8565

Email: ksmith@advantageproxy.com

In addition, shareholders who have already submitted

a redemption request with respect to the shares held by them may withdraw such request by contacting our transfer agent. If you would

like to change or revoke your prior vote on any proposal, or reverse a redemption request, please refer to the Proxy Statement for additional

information on how to do so.

In connection with the adjournment of the Meeting

and the extension of the redemption deadline, the Company is concurrently filing with the Securities and Exchange Commission (“SEC”)

definitive additional materials on Schedule 14A, consisting of a supplement dated September 11, 2026 (the “Supplement”)

to the Proxy Statement. Shareholders are encouraged to read the Supplement together with the Proxy Statement.

On September 11, 2026, the Company issued a press

release announcing that it had adjourned the Meeting. A copy of the press release is furnished as Exhibit 99.1 to this Current Report

on Form 8-K, which is incorporated by reference. The information in Exhibit 99.1 is being furnished and shall not be deemed “filed”

for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject

to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933,

as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Additional Information

and Where to Find It

On August 19, 2026,

the Company filed a definitive proxy statement with the SEC in connection with its solicitation of proxies for the Meeting. INVESTORS

AND SECURITY HOLDERS OF THE COMPANY ARE URGED TO READ THE PROXY STATEMENT (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) AND OTHER

DOCUMENTS THE COMPANY FILES WITH THE SEC CAREFULLY IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE AS THEY WILL CONTAIN IMPORTANT INFORMATION.

Investors and security holders will be able to obtain free copies of the definitive proxy statement (including any amendments or supplements

thereto) and other documents filed with the SEC through the website maintained by the SEC at www.sec.gov or by contacting the Company’s

proxy solicitor.

Participants in the

Solicitation

The Company and its

respective directors and officers may be deemed to be participants in the solicitation of proxies from shareholders in connection with

the Meeting. Additional information regarding the identity of these potential participants and their direct or indirect interests, by

security holdings or otherwise, is set forth in the definitive proxy statement. You may obtain free copies of these documents using the

sources indicated above.

Item 9.01. Financial Statements and Exhibits.

Exhibit No.

Description

99.1

Press Release dated September 11, 2026

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: September 11, 2026

EX-99.1 — PRESS RELEASE DATED SEPTEMBER 11, 2026

EX-99.1

Filename: ea030516101ex99-1.htm · Sequence: 2

Exhibit 99.1

Columbus Acquisition Corp Announces

Adjournment of Extraordinary General Meeting

of the Shareholders

New York, Sept. 11, 2026 (GLOBE NEWSWIRE) -- Columbus Acquisition Corp (the “Company”), a blank check company, today announced

that it convened its Extraordinary General Meeting of the Shareholders (the “Meeting”) and immediately adjourned the Meeting,

without conducting any business.

The Meeting was adjourned as to all of the proposals contained in the Company’s definitive proxy

statement filed with the Securities and Exchange Commission (“SEC”) on August 19, 2026, including any amendments or supplements

thereto (the “Proxy Statement”), including the proposal to approve the proposed business combination with WISeSat.Space Corp.

The Company will announce the date of the reconvened Meeting, and a new redemption deadline (the “Extended Redemption Deadline”),

in the coming days. Public shareholders seeking to exercise their redemption rights must complete the procedures described in the Proxy

Statement by the Extended Redemption Deadline. As of September 8, 2026, there was approximately $10.66 per share in trust.

The record date for determining the Company shareholders

entitled to receive notice of and to vote at the Meeting remains the close of business on August 17, 2026 (the “Record Date”).

Shareholders as of the Record Date are eligible to vote, even if they have subsequently sold their shares.

If you have already voted, you do not need to

vote again unless you would like to change or revoke your prior vote on any proposal.

If you have already submitted a proxy and do

not wish to change your vote, you need not take any further action. If you have submitted a proxy and wish to change your vote, you may

revoke your proxy at any time before it is exercised at the Meeting as provided in the Proxy Statement. Please note, however, that if

your shares are held in street name by a broker or other nominee and you wish to revoke a proxy, you must contact the broker or nominee

to revoke any prior voting instructions.

The Company’s shareholders who have questions

regarding the adjournment, or the Meeting, or would like to request documents may contact the Company’s proxy solicitor, Advantage

Proxy, Inc., at:

Advantage Proxy, Inc. P.O. Box 10904

Yakima, WA 98909

Individuals call toll-free 1-877-870-8565

Banks and brokers call 1-206-870-8565

Email: ksmith@advantageproxy.com

In addition, shareholders who have already submitted

a redemption request with respect to the shares held by them may withdraw such request by contacting our transfer agent. If you would

like to change or revoke your prior vote on any proposal, or reverse a redemption request, please refer to the Proxy Statement for additional

information on how to do so.

In connection with the adjournment of the Meeting

and the extension of the redemption deadline, the Company is concurrently filing with the Securities and Exchange Commission (“SEC”)

definitive additional materials on Schedule 14A, consisting of a supplement dated September 11, 2026 (the “Supplement”) to

the Proxy Statement. Shareholders are encouraged to read the Supplement together with the Proxy Statement.

About Columbus Acquisition Corp

Columbus Acquisition Corp is a blank check company,

also commonly referred to as a special purpose acquisition company (SPAC) formed for the purpose of effecting a merger, share exchange,

asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses or entities. Columbus

is led by Fen “Eric” Zhang, Chairman and Chief Executive Officer, and Jie “Janet” Hu, Chief Financial Officer,

who are growth-oriented executives with a long track record of value creation across industries.

Forward Looking Statements

This press release includes forward-looking statements

that involve risks and uncertainties. Forward-looking statements are statements that are not historical facts. Such forward-looking statements,

including but not limited to the date of the Meeting, are subject to risks and uncertainties, which could cause actual results to differ

from the forward-looking statements. The Company expressly disclaims any obligations or undertaking to release publicly any updates or

revisions to any forward-looking statements contained herein to reflect any change in the Company’s expectations with respect thereto

or any change in events, conditions or circumstances on which any statement is based.

Additional Information and Where to Find It

On August 19, 2026,

the Company filed a definitive proxy statement with the SEC in connection with its solicitation of proxies for the Meeting. INVESTORS

AND SECURITY HOLDERS OF THE COMPANY ARE URGED TO READ THE PROXY STATEMENT (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) AND OTHER

DOCUMENTS THE COMPANY FILES WITH THE SEC CAREFULLY IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE AS THEY WILL CONTAIN IMPORTANT INFORMATION.

Investors and security holders will be able to obtain free copies of the definitive proxy statement (including any amendments or supplements

thereto) and other documents filed with the SEC through the website maintained by the SEC at www.sec.gov or by contacting the Company’s

proxy solicitor.

Participants in the Solicitation

The Company and its respective directors and

officers may be deemed to be participants in the solicitation of proxies from shareholders in connection with the Meeting. Additional

information regarding the identity of these potential participants and their direct or indirect interests, by security holdings or otherwise,

is set forth in the definitive proxy statement. You may obtain free copies of these documents using the sources indicated above.

Contact

Fen Zhang

Chairman and Chief Executive Officer

Email: eric.zhang@herculescapital.group

Tel: (+1) 949 899 1827

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