GigCapital8 Corp.

GIW: 8-K · acquisition merger

GigCapital8 Corp. has signed a definitive Agreement and Plan of Merger dated October 8, 2026 to combine with Quantisimo Corp., a BVI company holding quantum, post-quantum and space technology businesses, via dual mergers into new publicly traded holding company Quantisimo Holdings Corp. Company shareholders WISeQey and SealSQ will receive an aggregate 66,610,000 PubCo shares, and Quantisimo will contribute its interests in operating subsidiaries Miraex SA, SEALCOIN AG, WeCan Group SA and WISeSat.Space Holdings Corp before closing. The deal carries a $15 million minimum cash condition, split between the SPAC trust cash/PIPE proceeds and a matching Company Cash Contribution, with a contemplated PIPE priced at no less than $10.00 per share. Closing requires shareholder and regulatory approvals, Nasdaq listing of PubCo shares, and a Form F-4 registration statement, with an outside date of March 31, 2027. Post-closing, Company Shareholders must hold a majority of PubCo ordinary shares, and PubCo's Class F shares will carry 49.999999% of total voting power in a dual-class structure.

SEC 8-K•12d ago

Quantisimo Corp., the Pure-Play Sovereign Quantum Vertical Platform “Root to Qubit” Formed by WISeQey and SEALSQ, Signs Definitive Business Combination Agreement with GigCapital8 Corp. to Become a Nasdaq-Listed Public Company

GigCapital8 (NASDAQ: GIW) signed a definitive business combination agreement with Quantisimo Corp., the quantum platform formed by WISeQey and SEALSQ, taking it public on Nasdaq under the symbol QSMO. Quantisimo's owners will receive 66,610,000 PubCo shares, implying a pro forma equity value of roughly $666.1 million at $10.00 per share, with WISeQey and SEALSQ expected to retain a majority stake. Closing is expected in Q1 2027, conditioned on shareholder approval and a $15 million minimum cash condition funded from trust, any PIPE, and a matching SEALSQ cash contribution; the sponsor has agreed to vote for and not redeem shares.

•16d ago

REG-Quantisimo Corp., the Pure-Play Sovereign Quantum Vertical Platform “Root to Qubit” Formed by WISeQey and SEALSQ, Signs Definitive Business Combination Agreement with GigCapital8 Corp. to Become a Nasdaq-Listed Public Company

GigCapital8 (NASDAQ: GIW) signed a definitive business combination agreement with Quantisimo Corp., the quantum platform formed by WISeQey and SEALSQ, advancing the deal announced via LOI in June 2026. At closing, WISeQey and SEALSQ will receive 66,610,000 PubCo shares, implying roughly $666.1 million in pro forma equity value at $10.00 per share, and will remain majority shareholders of Quantisimo Holding Corp. Closing is expected in Q1 2027, conditioned on shareholder approval, at least $15 million in cash from the trust, any PIPE, and a matching SEALSQ contribution; the new shares are expected to list on Nasdaq as "QSMO."

•16d ago

WISeKey Reports First Half 2026 Financial Results, Accelerates Quantum and Post-Quantum Strategy and Provides Outlook

WISeKey reported unaudited H1 2026 revenue of approximately $11.4 million, up roughly 116% year-over-year, with gross margin expanding to about 48%. The group held approximately $495 million in cash and restricted cash at June 30, 2026, and reaffirmed FY 2026 revenue growth guidance of 50% to 100%, though operating losses widened to $40.9 million. For Columbus Acquisition Corp (COLA), the key item is deal progress: WISeSat's proposed business combination with COLA remains on track toward a Nasdaq listing under ticker SAIQ, with the F-4 effective since August 2026, pending shareholder and Nasdaq approvals. The broader group is also redomiciling to WISeQey Corp (WQEY, expected October 2026) and pursuing a Quantisimo quantum pure-play via GigCapital8 (GIW) at an estimated $575 million enterprise value.

•25d ago

REG-WISeKey Reports First Half 2026 Financial Results, Accelerates Quantum and Post-Quantum Strategy and Provides Outlook

WISeKey reported H1 2026 revenue of ~$11.4 million, up roughly 116% year-over-year, with FY2026 revenue growth guidance of 50-100% reaffirmed. For Columbus Acquisition Corp (COLA), the relevant item is confirmation that its proposed business combination with WISeSat continues to progress, with WISeSat planning a Nasdaq listing under ticker SAIQ, subject to shareholder and Nasdaq approvals. WISeKey also disclosed ~$495 million in group cash, a $225M+ SEALSQ pipeline, a planned redomiciliation and direct Nasdaq/SIX listing as WISeQey (WQEY) in October, and a proposed $575 million Quantisimo combination with GigCapital8 (GIW). All combination transactions remain subject to definitive agreements, regulatory review and closing conditions, with WISeSat/Quantisimo closings targeted around Q1 2027.

•25d ago

WISeKey and SEALSQ Establish Quantisimo Corp. as a Special Purpose Vehicle, and Execute Letter of Intent with GigCapital8 Corp.

GigCapital8 signed a non-binding LOI with Quantisimo, a special purpose vehicle formed by WISeKey and SEALSQ, to create a Nasdaq-listed quantum technology platform with a $575 million initial enterprise value. The parties aim to scale the consolidated entity to a $2 billion platform by acquiring up to five additional quantum companies, targeting a closing in Q1 2027. The strategic pivot leverages the Trump administration's Executive Order on quantum innovation to capitalize on expected growth in quantum computing and post-quantum security.

•4mo ago

SEALSQ and WISeKey Establish Quantisimo Corp. as a Special Purpose Vehicle, and Execute Letter of Intent with GigCapital8 Corp.

GigCapital8 entered into a non-binding Letter of Intent to combine with Quantisimo Corp., a Trusted Quantum Pure-Play platform established by SEALSQ and WISeKey. The proposed business combination targets a pro forma enterprise value of approximately $575 million, with a strategic goal to reach $2 billion through the build-up acquisition of up to five additional quantum companies. The transaction is expected to close in the first quarter of 2027, subject to due diligence, regulatory approvals, and shareholder consent.

•4mo ago