Key facts
- WISeSat.Space Holdings Corp. submitted an amended confidential Form F-4 draft to the SEC on May 29, 2026.
- The filing is for WISeSat's planned business combination with Columbus Acquisition Corp.
- Upon completion, the combined company is expected to trade on Nasdaq under the WSAT ticker.
- WISeKey International Holding (WKEY) stock closed down 6.99% at $8.25 following the announcement.
- WISeKey operates in cybersecurity, digital identity, and IoT security, trading as WKEY on Nasdaq.
WISeKey International Holding (WKEY) announced that its subsidiary, WISeSat.Space Holdings Corp., has submitted an amended confidential Form F-4 draft to the U.S. Securities and Exchange Commission (SEC) on May 29, 2026. This filing is a step towards WISeSat's planned business combination with Columbus Acquisition Corp. (CAC), a SPAC. Following the transaction's completion, the combined entity is expected to be listed on the Nasdaq stock exchange under the ticker symbol WSAT. WISeKey stated that the deal follows a Business Combination Agreement signed on November 9, 2025. WISeSat, which focuses on secure satellite infrastructure for trusted communications and data exchange, will become a subsidiary of the newly formed public company, Pubco. The process still requires SEC review, approval from CAC shareholders, and Nasdaq listing approval. Despite the progress in the listing process, WKEY stock experienced pressure, closing down 6.99% at $8.25 and further slipping in pre-market trading. Maxim Group LLC is acting as the exclusive financial advisor to WISeKey for this transaction.