Units, each consisting of one Class A ordinary share, $0.0001 par value, and one right to receive one-fifth of one Class A ordinary share
- Symbol
- GIWWU
- Exchange
- NASDAQ
- Classification
- UNIT
- Status
- Current
Current Report · Items 8.01, 9.01 · 8-K
GigCapital8 Corp.
GIWNASDAQEQUITYCurrent
Other Events
Item 8.01 Other Events. On October 8, 2026, GigCapital8 Corp., a Cayman Islands exempted company (“SPAC”), entered into an Agreement and Plan of Merger, dated as of October 8, 2026 (the “Merger Agreement”), by and among SPAC, Quantisimo Holdings Corp., a British Virgin Islands business company formed by GigAcquisitions8 Corp., a Cayman Islands exempted company and the sponsor of SPAC (the “Sponsor…
Company context
GigCapital8 Corp. is a Private-to-Public Equity (PPE)™ company, also known as a special purpose acquisition company, with a Mentor-Investor™ methodology and a mission to partner with a high technology differentiating company to forge a successful path to the public markets through a business combination. GigCapital8 aims to partner with an innovative company with exceptional leaders in order to create an industry-leading partnership that will be successful for years to come.
Current securities
Registered securities in this filing
GigCapital8 Corp. · 8-K · Filed 2026-10-09
Class A ordinary shares, $0.0001 par value
- Symbol
- GIW
- Exchange
- NASDAQ
- Classification
- COMMON
- Status
- Current
Rights, one right to receive one-fifth of one Class A ordinary share, each five rights entitling the holder thereof to receive one Class A ordinary
- Symbol
- GIWWR
- Exchange
- NASDAQ
- Classification
- RIGHT
- Status
- Current
Disclosure sections
Item 8.01Item 8.01 - Other Events
Item 8.01 Other Events.
On October 8, 2026, GigCapital8 Corp., a Cayman Islands exempted company (“SPAC”), entered into an Agreement and Plan of Merger, dated as of October 8, 2026 (the “Merger Agreement”), by and among SPAC, Quantisimo Holdings Corp., a British Virgin Islands business company formed by GigAcquisitions8 Corp., a Cayman Islands exempted company and the sponsor of SPAC (the “Sponsor”) (“PubCo”), Quantisimo Merger Sub Inc., a British Virgin Islands business company and a direct wholly owned subsidiary of PubCo (“Target Merger Sub”), GigCapital8 Merger Sub Inc., a Cayman Islands exempted company and a direct wholly owned subsidiary of PubCo (“SPAC Merger Sub”), Quantisimo Corp., a British Virgin Islands business company (the “Company”), WISeQey Corp, a British Virgin Islands business company (“WISeQey”), and SealSQ Corp, a British Virgin Islands business company (“SealSQ” and, together with WISeQey, the “Company Shareholders”) (the transactions contemplated by the Merger Agreement and the ancillary documents related thereto, the “Transactions”).
On October 9, 2026, SPAC, the Company and the Company Shareholders issued a joint press release announcing the execution of the Merger Agreement. The press release is attached to this Current Report as
Filed exhibits (1)
Exhibit 99.1 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 • Quantisimo Corp. (“Quantisimo”), established by WISeQey Corp (Nasdaq/SIX: WQEY) (“WISeQey”), a global quantum cybersecurity and space IoT company, and its subsidiary, SEALSQ Corp (Nasdaq: LAES) (“SEALSQ”), a developer of secure semiconductors, public key infrastructure (PKI) and post-quantum security products, is being developed as a pure-play sovereign quantum vertical platform under the vision “Root to Qubit.” Through the proposed contribution of interests in Miraex SA, SEALCOIN AG, WeCan Group SA and WISeSat. Space Holdings Corp. (“WISeSat. Space”) (Nasdaq: SAIQ), a space technology and secure satellite communications company together with selected future quantum technologies and strategic investments, Quantisimo aims to connect the foundations of digital trust with quantum computing, quantum networking and secure terrestrial and space infrastructure. • The definitive business combination agreement follows the letter of intent between Quan…
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