Here are the 8-K filings from GigCapital8 Corp. (GIW) in our archive since June 2025, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
An 8-K covers material events a company has to report between its quarterly reports, so if you follow GIW and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full GIW filings page.
GigCapital8 Corp. (GIW) agreed to combine with Quantisimo through two sequential mergers under newly formed Quantisimo Holdings Corp. (“PubCo”), planned as the public parent. If completed, Quantisimo shareholders would receive 66,610,000 PubCo shares, plus ordinary shares based on their cash contribution at $10.00 per share. GigCapital8 units separate into one Class A share and one right; five rights convert into one PubCo share.
The agreement sets a $15,000,000 minimum cash condition at closing, with GigCapital8 trust cash after redemptions and expenses, financing actually received, and a contribution from the Company Shareholders as sources. Closing also requires shareholder and regulatory approvals and at least $5,000,001 in PubCo net tangible assets after redemptions and any PIPE investment.
PubCo Class F shares held by WISeQey, SealSQ and the Sponsor will collectively carry 49.999999% of total voting power; the planned board has seven members, four designated by Quantisimo and three by GigCapital8. Either side may terminate if closing has not occurred by March 31, 2027, unless the party seeking termination is in material breach.
GigCapital8 Corp. (GIW) entered a definitive merger agreement for a proposed business combination with Quantisimo Corp. Under the agreement, GigCapital8 and Quantisimo would become wholly owned subsidiaries of a new British Virgin Islands holding company, Quantisimo Holding Corp. Before closing, WISeQey Corp. and SEALSQ Corp. are expected to contribute interests in Miraex SA, SEALCOIN AG, WeCan Group SA and WISeSat.Space to Quantisimo.
At closing, WISeQey and SEALSQ are expected to receive an aggregate of 66,610,000 PubCo shares, implying an approximately $666.1 million pro forma equity value for Quantisimo at $10.00 per share. The transaction requires available cash of at least $15 million, comprising GigCapital8 trust cash after redemptions and any PIPE investment, together with a SEALSQ cash contribution; SEALSQ would receive additional PubCo ordinary shares at $10.00 per share for that contribution.
Completion is expected in the first quarter of 2027, subject to customary conditions including GigCapital8 shareholder approval, effectiveness of the registration statement and PubCo listing approval on Nasdaq. PubCo ordinary shares are expected to list on the Nasdaq Capital Market as QSMO, and PubCo Class F shares would carry 49.999999% of its total voting power in aggregate.
GigCapital8 Corp. reported that it has entered into a non‑binding letter of intent with Quantisimo Corp., a special purpose quantum technology vehicle created by WISeKey and SEALSQ, for a potential business combination.
The contemplated deal would combine GigCapital8 and Quantisimo into a single public company, with Quantisimo’s existing equityholders expected to own a majority of the combined entity. The Letter of Intent references a pre‑money enterprise value for Quantisimo of approximately $575 million, and the parties describe a long‑term goal of building a Trusted Quantum Pure‑Play platform through additional acquisitions.
The companies currently expect, if definitive agreements are signed, that the transaction could close in the first quarter of 2027. Completion remains subject to due diligence, negotiation and execution of definitive documentation, stock exchange and regulatory reviews, shareholder approvals, financing arrangements, and other customary conditions, and there is no assurance the transaction will be completed.