--- schema_version: "secwatch.filing_event.v1" accession: "0001213900-26-107578" form_type: "8-K" ticker: "COLA" cik: "0002028201" company_name: "Columbus Acquisition Corp/Cayman Islands" filed_at: "2026-10-07T20:15:26+00:00" generated_at: "2026-10-12T15:52:04.794558+00:00" event_type: "m_and_a" sentiment: "neutral" materiality_score: 0.95 calibrated_materiality_score: 0.95 confidence: "high" source: SEC EDGAR --- # Columbus Acquisition completes WISeSat business combination; Pubco begins Nasdaq trading as SAIQ ## Summary - On Oct. 1, 2026, Columbus Acquisition Corp. completed its business combination with WISeSat.Space Holdings Corp.; Pubco ordinary shares began trading on Nasdaq under SAIQ on Oct. 2, 2026. - In connection with the special meeting, 2,515,182 CAC public shares were redeemed; immediately after closing, Pubco had 16,818,772 ordinary shares and 12,997,400 Class F shares outstanding. - CAC requested Nasdaq delist and deregister its ordinary shares, rights and units; trading was permanently suspended before opening on Oct. 2, 2026, and CAC intends to file Form 15. - Leadership: CAC's prior directors/officers ceased; Carlos Moreira became sole CAC director and Pubco CEO, and Gwenael Rouy-Poirier became Pubco CFO. - Closing parties entered an amended and restated registration rights agreement covering Pubco shares, including 1,658,732 Pubco Ordinary Shares for CAC investors. ## SEC filing metadata - accession: 0001213900-26-107578 - form_type: 8-K - ticker: COLA - cik: 0002028201 - company_name: Columbus Acquisition Corp/Cayman Islands - filed_at: 2026-10-07T20:15:26+00:00 - event_type: m_and_a - sentiment: neutral - materiality_score: 0.95 - calibrated_materiality_score: 0.95 - confidence: high - sec_items: 1.01, 2.01, 3.01, 3.03, 5.01, 5.02, 5.03, 9.01 - EDGAR index: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/ea0307944-8k_columbus.htm ## Machine-readable alternates - HTML: https://secwatch.observer/filing/0001213900-26-107578 - JSON: https://secwatch.observer/filing/0001213900-26-107578.json - Plain text: https://secwatch.observer/filing/0001213900-26-107578.txt ## Key facts - Executive change Jie “Janet” Hu departed as director at Columbus Acquisition Corp/Cayman Islands. - Action: ceased to be director and/or officer source text: In connection with the consummation of the Business Combination, each of Fen “Eric” Zhang, Jie “Janet” Hu, Cameron R. Johnson, Kevin McKenzie and Qian “Hebe” Xu ceased to be director and/or officers of CAC. evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Peter Ward was appointed as Director at Columbus Acquisition Corp/Cayman Islands. - Action: appointed - Role: Director source text: Following the consummation of the Business Combination, Carlos Moreira, Gwenael Rouy-Poirier, David Fergusson, Peter Ward, Cristina Dolan, Philippe D. Monnier, and Cameron R. Johnson were appointed to serve as directors of Pubco evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Carlos Moreira was appointed as Director at Columbus Acquisition Corp/Cayman Islands. - Action: appointed - Role: Director source text: Following the consummation of the Business Combination, Carlos Moreira, Gwenael Rouy-Poirier, David Fergusson, Peter Ward, Cristina Dolan, Philippe D. Monnier, and Cameron R. Johnson were appointed to serve as directors of Pubco evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Cameron R. Johnson departed as director at Columbus Acquisition Corp/Cayman Islands. - Action: ceased to be director and/or officer source text: In connection with the consummation of the Business Combination, each of Fen “Eric” Zhang, Jie “Janet” Hu, Cameron R. Johnson, Kevin McKenzie and Qian “Hebe” Xu ceased to be director and/or officers of CAC. evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Fen “Eric” Zhang departed as director at Columbus Acquisition Corp/Cayman Islands. - Action: ceased to be director and/or officer source text: In connection with the consummation of the Business Combination, each of Fen “Eric” Zhang, Jie “Janet” Hu, Cameron R. Johnson, Kevin McKenzie and Qian “Hebe” Xu ceased to be director and/or officers of CAC. evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Kevin McKenzie departed as director at Columbus Acquisition Corp/Cayman Islands. - Action: ceased to be director and/or officer source text: In connection with the consummation of the Business Combination, each of Fen “Eric” Zhang, Jie “Janet” Hu, Cameron R. Johnson, Kevin McKenzie and Qian “Hebe” Xu ceased to be director and/or officers of CAC. evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Qian “Hebe” Xu departed as director at Columbus Acquisition Corp/Cayman Islands. - Action: ceased to be director and/or officer source text: In connection with the consummation of the Business Combination, each of Fen “Eric” Zhang, Jie “Janet” Hu, Cameron R. Johnson, Kevin McKenzie and Qian “Hebe” Xu ceased to be director and/or officers of CAC. evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Carlos Moreira was appointed as Sole Director at Columbus Acquisition Corp/Cayman Islands. - Action: appointed - Role: Sole Director source text: Carlos Moreira was appointed as the sole director of CAC concurrently with the consummation of the Business Combination. evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Gwenael Rouy-Poirier was appointed as Chief Financial Officer at Columbus Acquisition Corp/Cayman Islands. - Action: appointed - Role: Chief Financial Officer source text: and the board of directors of Pubco appointed the following officers: Carlos Moreira as Chief Executive Officer and Gwenael Rouy-Poirier as Chief Financial Officer. evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Philippe D. Monnier was appointed as Director at Columbus Acquisition Corp/Cayman Islands. - Action: appointed - Role: Director source text: Following the consummation of the Business Combination, Carlos Moreira, Gwenael Rouy-Poirier, David Fergusson, Peter Ward, Cristina Dolan, Philippe D. Monnier, and Cameron R. Johnson were appointed to serve as directors of Pubco evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change David Fergusson was appointed as Director at Columbus Acquisition Corp/Cayman Islands. - Action: appointed - Role: Director source text: Following the consummation of the Business Combination, Carlos Moreira, Gwenael Rouy-Poirier, David Fergusson, Peter Ward, Cristina Dolan, Philippe D. Monnier, and Cameron R. Johnson were appointed to serve as directors of Pubco evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Cameron R. Johnson was appointed as Director at Columbus Acquisition Corp/Cayman Islands. - Action: appointed - Role: Director source text: Following the consummation of the Business Combination, Carlos Moreira, Gwenael Rouy-Poirier, David Fergusson, Peter Ward, Cristina Dolan, Philippe D. Monnier, and Cameron R. Johnson were appointed to serve as directors of Pubco evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Gwenael Rouy-Poirier was appointed as Director at Columbus Acquisition Corp/Cayman Islands. - Action: appointed - Role: Director source text: Following the consummation of the Business Combination, Carlos Moreira, Gwenael Rouy-Poirier, David Fergusson, Peter Ward, Cristina Dolan, Philippe D. Monnier, and Cameron R. Johnson were appointed to serve as directors of Pubco evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Cristina Dolan was appointed as Director at Columbus Acquisition Corp/Cayman Islands. - Action: appointed - Role: Director source text: Following the consummation of the Business Combination, Carlos Moreira, Gwenael Rouy-Poirier, David Fergusson, Peter Ward, Cristina Dolan, Philippe D. Monnier, and Cameron R. Johnson were appointed to serve as directors of Pubco evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm - Executive change Carlos Moreira was appointed as Chief Executive Officer at Columbus Acquisition Corp/Cayman Islands. - Action: appointed - Role: Chief Executive Officer source text: and the board of directors of Pubco appointed the following officers: Carlos Moreira as Chief Executive Officer and Gwenael Rouy-Poirier as Chief Financial Officer. evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026107578/0001213900-26-107578-index.htm This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.