Welcome to our dedicated page for Columbus Acquisition SEC filings (Ticker: COLAR), 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: COLAR) provides access to the company’s regulatory disclosures as a blank check company formed to complete a business combination. Through its registration statement and subsequent reports, Columbus Acquisition Corp describes its capital structure, trust account arrangements, and the terms of the rights associated with the COLAR ticker.
Key documents include the registration statement declared effective by the U.S. Securities and Exchange Commission in connection with its initial public offering of units on The Nasdaq Global Market. That filing explains how each unit consists of one ordinary share and one right to receive one-seventh of one ordinary share upon consummation of an initial business combination, as well as the conditions under which the units, ordinary shares, and rights trade under the symbols COLAU, COLA, and COLAR.
Investors can also review Current Reports on Form 8-K and other filings that describe material events, such as the definitive Business Combination Agreement among Columbus Acquisition Corp, WISeKey International Holding AG’s subsidiary WISeSat.Space Corp, and the newly formed British Virgin Islands holding company WISeSat.Space Holdings Corp. These filings outline how Columbus and WISeSat are expected to become wholly owned subsidiaries of the new holding company, the conversion of Columbus shares and rights into shares of the combined entity, and the anticipated contribution of cash from Columbus’s trust account.
On this page, AI-powered tools can help interpret lengthy filings by highlighting the sections that describe the business combination terms, shareholder redemption rights, the mechanics of the COLAR rights, and other structural details. Real-time updates from the SEC’s EDGAR system ensure that new registration statements, proxy materials, and transaction-related reports are available for review as they are filed.
Columbus Acquisition Corp reported that it has regained compliance with Nasdaq’s market value of listed securities requirement for the Nasdaq Global Market. Nasdaq had previously notified the company that its market value of listed securities was below the $50 million minimum for 30 consecutive business days. A later review found that, from May 13, 2026 to May 27, 2026, the company’s market value was at least $50 million for 10 straight business days, satisfying the rule. Nasdaq’s staff has confirmed the company is now back in compliance and has closed the matter.
Columbus Acquisition Corp reported that it has regained compliance with Nasdaq’s market value of listed securities requirement for the Nasdaq Global Market. Nasdaq had previously notified the company that its market value of listed securities was below the $50 million minimum for 30 consecutive business days. A later review found that, from May 13, 2026 to May 27, 2026, the company’s market value was at least $50 million for 10 straight business days, satisfying the rule. Nasdaq’s staff has confirmed the company is now back in compliance and has closed the matter.
Columbus Acquisition Corp received two Nasdaq deficiency notices related to its continued listing on the Nasdaq Global Market. Nasdaq determined the company no longer meets the minimum 400 shareholder requirement and that its market value of listed securities has been below the $50 million threshold for 30 consecutive business days.
The shareholder deficiency gives the company 45 calendar days, until July 6, 2026, to submit a compliance plan. Separately, it has 180 calendar days, until November 18, 2026, to restore its market value to at least $50 million for 10 straight business days. The notices do not immediately affect trading, but failure to regain compliance could result in delisting, though appeal and transfer to the Nasdaq Capital Market may be available.
Columbus Acquisition Corp received two Nasdaq deficiency notices related to its continued listing on the Nasdaq Global Market. Nasdaq determined the company no longer meets the minimum 400 shareholder requirement and that its market value of listed securities has been below the $50 million threshold for 30 consecutive business days.
The shareholder deficiency gives the company 45 calendar days, until July 6, 2026, to submit a compliance plan. Separately, it has 180 calendar days, until November 18, 2026, to restore its market value to at least $50 million for 10 straight business days. The notices do not immediately affect trading, but failure to regain compliance could result in delisting, though appeal and transfer to the Nasdaq Capital Market may be available.
Columbus Acquisition Corp extended the deadline to complete its initial business combination by one month, from May 22, 2026 to June 22, 2026, by depositing a total Monthly Extension Fee of $50,000 into its trust account.
Of this amount, $25,000 came from the company’s working capital and $25,000 was funded by WISeSat.Space Corp. under an existing Business Combination Agreement. In return, the company issued an unsecured, non‑interest‑bearing promissory note for $25,000, which is payable at the earlier of business combination closing, agreement termination or company winding up, and is convertible at the holder’s option into private units at $10.00 per unit or, in certain alternative scenarios, into shares at $5.00 per share. The note and related securities were issued as unregistered securities under Section 4(a)(2) of the Securities Act.
Columbus Acquisition Corp extended the deadline to complete its initial business combination by one month, from May 22, 2026 to June 22, 2026, by depositing a total Monthly Extension Fee of $50,000 into its trust account.
Of this amount, $25,000 came from the company’s working capital and $25,000 was funded by WISeSat.Space Corp. under an existing Business Combination Agreement. In return, the company issued an unsecured, non‑interest‑bearing promissory note for $25,000, which is payable at the earlier of business combination closing, agreement termination or company winding up, and is convertible at the holder’s option into private units at $10.00 per unit or, in certain alternative scenarios, into shares at $5.00 per share. The note and related securities were issued as unregistered securities under Section 4(a)(2) of the Securities Act.
Columbus Acquisition Corp/Cayman Islands amendment reports that Meteora Capital, LLC and Vik Mittal beneficially own 252,237 shares of Class A common stock, representing 5.61% of the class. The filing shows shared voting and dispositive power over the 252,237 shares. The statement is signed by Vik Mittal on 05/15/2026.
Columbus Acquisition Corp/Cayman Islands amendment reports that Meteora Capital, LLC and Vik Mittal beneficially own 252,237 shares of Class A common stock, representing 5.61% of the class. The filing shows shared voting and dispositive power over the 252,237 shares. The statement is signed by Vik Mittal on 05/15/2026.
Columbus Acquisition Corp, a Cayman Islands blank check company, reported unaudited results for the quarter ended March 31, 2026 and provided an update on its proposed merger with WISeSat.Space Corp. Total assets were $27,027,078, including $26,836,906 held in a trust account after significant shareholder redemptions.
During the quarter, 3,449,851 ordinary shares were redeemed for approximately $35.83 million, leaving 2,550,149 redeemable shares outstanding and producing net income of $61,472, mainly from trust interest. The company ended with only $129,350 of cash outside the trust and a working capital deficit of $196,690, and its liquidity position raises substantial doubt about its ability to continue as a going concern.
Columbus has a Business Combination Agreement to merge into a new holding company, under which the seller would receive Pubco shares valued at $250,000,000 plus any transaction financing, at $10.00 per Pubco share. The charter currently allows until January 22, 2027, if fully extended, to complete this transaction or another business combination.
Columbus Acquisition Corp, a Cayman Islands blank check company, reported unaudited results for the quarter ended March 31, 2026 and provided an update on its proposed merger with WISeSat.Space Corp. Total assets were $27,027,078, including $26,836,906 held in a trust account after significant shareholder redemptions.
During the quarter, 3,449,851 ordinary shares were redeemed for approximately $35.83 million, leaving 2,550,149 redeemable shares outstanding and producing net income of $61,472, mainly from trust interest. The company ended with only $129,350 of cash outside the trust and a working capital deficit of $196,690, and its liquidity position raises substantial doubt about its ability to continue as a going concern.
Columbus has a Business Combination Agreement to merge into a new holding company, under which the seller would receive Pubco shares valued at $250,000,000 plus any transaction financing, at $10.00 per Pubco share. The charter currently allows until January 22, 2027, if fully extended, to complete this transaction or another business combination.
Columbus Acquisition Corp files an amended Schedule 13G/A reporting that, as of March 31, 2026, Linden Capital L.P., Linden GP LLC, Linden Advisors and Siu Min (Joe) Wong each beneficially own 0 shares of Ordinary Shares, representing approximately 0.0% of the class.
The filing identifies the relationships among the reporting persons (general partner, investment manager and principal owner) and provides principal business addresses and CUSIP G2295P107. Signatures show authorization by Saul Ahn on behalf of the reporting entities with a referenced power of attorney.
Columbus Acquisition Corp files an amended Schedule 13G/A reporting that, as of March 31, 2026, Linden Capital L.P., Linden GP LLC, Linden Advisors and Siu Min (Joe) Wong each beneficially own 0 shares of Ordinary Shares, representing approximately 0.0% of the class.
The filing identifies the relationships among the reporting persons (general partner, investment manager and principal owner) and provides principal business addresses and CUSIP G2295P107. Signatures show authorization by Saul Ahn on behalf of the reporting entities with a referenced power of attorney.
Columbus Acquisition Corp received a Schedule 13G/A amendment reporting that Mizuho Financial Group, Inc. beneficially owns 400,877 common shares, representing 8.9% of the class. The amendment, filed as Amendment No. 3 and signed on 05/14/2026, states sole voting and dispositive power over the reported shares.
The filing notes that Mizuho Securities USA LLC directly holds the shares and that Mizuho Bank, Mizuho Americas LLC and related entities may be deemed indirect beneficial owners.
Columbus Acquisition Corp received a Schedule 13G/A amendment reporting that Mizuho Financial Group, Inc. beneficially owns 400,877 common shares, representing 8.9% of the class. The amendment, filed as Amendment No. 3 and signed on 05/14/2026, states sole voting and dispositive power over the reported shares.
The filing notes that Mizuho Securities USA LLC directly holds the shares and that Mizuho Bank, Mizuho Americas LLC and related entities may be deemed indirect beneficial owners.
Columbus Acquisition Corp entered into a new unsecured promissory note for $100,000 with WISeSat.Space Corp. The note reimburses monthly extension fees the target has been advancing so the SPAC can extend its deadline to complete a business combination up to January 22, 2027.
The note bears no interest and is due on the earlier of the business combination closing, termination of the Business Combination Agreement (with certain exceptions), or the company’s winding up. WISeSat.Space may convert the balance into SPAC private units at $10.00 per unit, or, in certain alternative deals, into post-closing shares at $5.00 per share.
Columbus Acquisition Corp entered into a new unsecured promissory note for $100,000 with WISeSat.Space Corp. The note reimburses monthly extension fees the target has been advancing so the SPAC can extend its deadline to complete a business combination up to January 22, 2027.
The note bears no interest and is due on the earlier of the business combination closing, termination of the Business Combination Agreement (with certain exceptions), or the company’s winding up. WISeSat.Space may convert the balance into SPAC private units at $10.00 per unit, or, in certain alternative deals, into post-closing shares at $5.00 per share.
COLUMBUS ACQUISITION CORP ownership update: W. R. Berkley Corporation reports beneficial ownership of 250,259 ordinary shares (par value $0.0001) representing 5.6% of the class. The filing shows shared voting and shared dispositive power over those 250,259 shares. The amendment is signed by Richard M. Baio.
COLUMBUS ACQUISITION CORP ownership update: W. R. Berkley Corporation reports beneficial ownership of 250,259 ordinary shares (par value $0.0001) representing 5.6% of the class. The filing shows shared voting and shared dispositive power over those 250,259 shares. The amendment is signed by Richard M. Baio.
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.
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.