Welcome to our dedicated page for Columbus Acquisition SEC filings (Ticker: COLAU), 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.
The SEC filings page for Columbus Acquisition Corp (NASDAQ: COLAU) aggregates regulatory documents related to this Cayman Islands-incorporated blank check company, or SPAC. Although no specific filings are listed in the provided data, Columbus is required to file registration statements, periodic reports, and transaction-related documents with the U.S. Securities and Exchange Commission in connection with its initial public offering and any subsequent business combination.
For a SPAC such as Columbus Acquisition Corp, key filings typically include the registration statement for its units, which describes the structure of the offering, the composition of units into ordinary shares and rights, and the use of proceeds. In addition, investors can look to Current Reports on Form 8-K for material events, such as the announcement of a definitive Business Combination Agreement with WISeKey International Holding AG’s subsidiary WISeSat.Space Corp. That agreement contemplates Columbus and WISeSat becoming wholly owned subsidiaries of a new holding company, WISeSat.Space Holdings Corp (Pubco), expected to be listed on Nasdaq.
As the transaction progresses, Pubco is expected to file a registration statement on Form F-4 that will include a proxy statement of Columbus and a prospectus of Pubco. This document is intended to provide detailed information on the terms of the business combination, the conversion of Columbus shares and rights into Pubco shares, and the use of cash remaining in Columbus’s trust account along with additional funding from WISeKey or SEALSQ.
On Stock Titan, AI-powered tools can help interpret lengthy SEC filings by highlighting key terms of the offering, summarizing transaction structures, and clarifying how forms such as registration statements and Current Reports on Form 8-K relate to Columbus Acquisition Corp’s progress toward completing its business combination.
Columbus Acquisition Corp extended the deadline to complete its initial business combination by one month, moving it from March 22, 2026 to April 22, 2026. Under its Charter, the deadline can be extended monthly up to January 22, 2027 by paying a $50,000 monthly extension fee into the trust account.
On or about March 23, 2026, the full $50,000 was deposited for public shareholders, with $25,000 funded from the company’s working capital and $25,000 funded by WISeSat.Space Corp. The target’s contribution was made under the existing business combination agreement dated November 9, 2025.
Columbus Acquisition Corp, a Cayman Islands blank check company, filed its annual report covering activity through its January 24, 2025 IPO and subsequent deal efforts. The SPAC raised $60,000,000 from 6,000,000 units at $10.00 each, plus $2,342,900 from 234,290 private units, and placed these proceeds in a trust account.
In January 2026, shareholders approved a charter amendment allowing up to twelve one‑month extensions to January 22, 2027; 3,449,851 ordinary shares were redeemed for about $35.82 million, and Monthly Extension Fees of $100,000 were deposited into the trust. As of the report date, 4,494,439 ordinary shares were outstanding.
On November 9, 2025, the company signed a business combination agreement with WISeSat.Space Corp., using a new British Virgin Islands holding company. At closing, the seller is to receive Pubco shares valued at $250,000,000 plus any Transaction Financing, at $10.00 per Pubco ordinary share, with a special Class F giving 49.9% of total voting power. For 2025, the SPAC reported net income of $1,285,090, driven by $2,231,602 of trust interest income and $946,512 of general and administrative expenses. Management highlights substantial doubt about continuing as a going concern because completion of a business combination or liquidation by January 22, 2027 will require additional financing and timely closing.
Mizuho Financial Group, Inc. filed an amended ownership report showing it beneficially owns 552,804 common shares of Columbus Acquisition Corp, representing 7.0% of the class. Mizuho has sole power to vote and dispose of these shares, with no shared voting or dispositive power.
The filing states the securities were acquired and are held in the ordinary course of business and not with the purpose or effect of changing or influencing control of Columbus Acquisition Corp. The position is reported as being held indirectly through a wholly owned subsidiary of Mizuho.
Barclays PLC filed an amended Schedule 13G/A reporting its beneficial ownership in Columbus Acquisition Corp common stock. Barclays reports beneficial ownership of 297,000 shares of common stock, representing 3.73% of the class. Barclays has sole voting and sole dispositive power over all 297,000 shares and no shared voting or dispositive power.
The filing states that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Columbus Acquisition Corp, nor in connection with any transaction intended to have that effect.
Harraden Circle–affiliated entities have filed an initial ownership report for Columbus Acquisition Corp (COLA). The Form 3 discloses indirect beneficial ownership of 557,800 ordinary shares as of January 20, 2026, reported as held indirectly.
The shares are directly owned by several Harraden Circle limited partnerships, with Harraden Circle Investors GP, LP and Harraden Circle Investments, LLC involved as general partner and investment manager. These entities, and Frederick V. Fortmiller Jr. as managing member, each disclaim beneficial ownership beyond their pecuniary interest.
Columbus Acquisition Corp disclosed that it has used one of its available monthly extensions to push back the deadline to complete its initial business combination. Under its Charter, the company could extend the deadline month-by-month from January 22, 2026 up to January 22, 2027 by paying a fee.
On or about January 22, 2026, the company deposited $50,000, described as the Monthly Extension Fee, into its Trust Account for the benefit of public shareholders. This payment extends the time it has to complete its first business combination from January 22, 2026 to February 22, 2026, giving the company an additional month to pursue a suitable merger target.
Columbus Acquisition Corp held an extraordinary general meeting where shareholders approved changes to its charter and trust agreement. The new charter keeps the deadline to complete a business combination at January 22, 2026, but allows the company to elect up to twelve one-month extensions, potentially moving the outside date to January 22, 2027. The trust agreement was amended so the trustee must liquidate the trust account according to the revised charter timeline.
On the December 22, 2025 record date there were 7,944,290 ordinary shares outstanding. Shareholders approved both the charter and trust amendments by votes of 5,164,299 for and 1,188,717 against. In connection with the charter vote, 3,449,851 ordinary shares were submitted for redemption. After these redemptions, the company reports 4,494,439 ordinary shares outstanding, including 2,550,149 shares held by public shareholders.
Columbus Acquisition Corp is a Cayman Islands blank-check company that completed an IPO on January 24, 2025, raising $60,000,000 from public units and $2,342,900 from a private placement. Proceeds are held primarily in a Trust Account with a demand deposit of $61,018,247, producing $1,018,247 of interest for the six months ended June 30, 2025. As of June 30, 2025 the Company reported total assets of $61,836,356, cash of $761,463 and working capital of $719,917. For the six months, net income was $612,414, driven by trust interest, partially offset by $405,833 of general and administrative expenses. The capital structure includes 6,000,000 ordinary shares subject to possible redemption and 1,944,290 non-redeemable ordinary shares, for a total of 7,944,290 ordinary shares outstanding. Management discloses substantial doubt about the Company’s ability to continue as a going concern if it cannot complete an initial business combination by January 22, 2026. The Sponsor forfeited 225,000 Founder Shares on March 10, 2025, and related-party financing and potential working capital loans remain available but not committed.
Mizuho Financial Group reports beneficial ownership of 714,800 common shares of Columbus Acquisition Corp, representing 9.0% of the class, via a Schedule 13G/A.
The filing states Mizuho has sole voting power and sole dispositive power over the 714,800 shares and identifies the filer as a parent holding company. The statement notes that Mizuho Bank, Mizuho Americas and Mizuho Americas LLC may be deemed indirect beneficial owners through wholly owned Mizuho Securities USA LLC. Item 10 certification declares the shares are held in the ordinary course of business and not for the purpose of influencing control of the issuer.
Barclays PLC reported beneficial ownership of 514,499 shares of Columbus Acquisition Corp common stock, representing 6.47% of the class. The filing states Barclays has sole voting and sole dispositive power over these shares, indicating control of how the shares are voted and sold. The schedule identifies Barclays Bank PLC as the subsidiary relevant to the acquisition and includes a certification that the shares are held in the ordinary course of business and not to change or influence control of the issuer.
This disclosure is a regulatory ownership report required when a holder surpasses the 5% threshold, providing transparency about a significant passive stake in Columbus Acquisition Corp.