Every material Form 8-K GigCapital8 Corp. has filed with the SEC since June 25, 2026, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.
GigCapital8 Corp. entered into a merger agreement under which its SPAC merger and a Quantisimo merger would make both companies wholly owned subsidiaries of a new publicly traded holding company, PubCo. The Quantisimo owners, WISeQey and SealSQ, would receive 66,610,000 PubCo shares, and completion depends on shareholder approvals and other closing conditions.
Merger agreement dated October 8, 2026, entered into October 9, 2026, per the filing
Company Shareholders to receive 66,610,000 PubCo shares, plus Company Cash Contribution Credit Shares at $10.00 per share
Minimum cash of $15,000,000 to be available to PubCo at closing
Sponsor to receive 3,035,083 PubCo Ordinary Shares and 3,035,084 Class F shares; Class F shares to hold 49.999999% of total votes
On October 8, 2026, GigCapital8 Corp. entered into a merger agreement with Quantisimo Corp., WISeQey and SEALSQ, under which GigCapital8 and Quantisimo would become wholly owned subsidiaries of a newly formed holding company, Quantisimo Holding Corp., expected to list on Nasdaq under the symbol QSMO. The deal is subject to GigCapital8 shareholder approval, a minimum cash condition of $15 million, and an expected completion in the first quarter of 2027, so shareholders will be asked to vote on the transaction.
Merger Agreement dated October 8, 2026; joint press release issued October 9, 2026.
Quantisimo's owners would receive 66,610,000 PubCo shares, an implied pro forma equity value of approximately $666.1 million at $10.00 per share.
Closing is conditioned on available cash of at least $15 million; the outside date is March 31, 2027.
GigCapital8's sponsor agreed to vote in favor of the transaction and not to redeem its shares; WISeQey, SEALSQ and the sponsor agreed to six-month lock-ups.
GigCapital8 Corp. entered a non-binding letter of intent with Quantisimo Corp., a special purpose vehicle created by WISeKey and SEALSQ, for a business combination. Under the letter, Quantisimo's existing equityholders would own a majority of the combined public company, and the pre-money enterprise value of Quantisimo is approximately $575 million. The deal is not binding and depends on definitive agreements, due diligence, shareholder approval, and financing, so it may not be completed.
Pre-money enterprise value of Quantisimo: approximately $575 million, with a substantial rollover of equity expected from existing equityholders.
Quantisimo's existing equityholders would own a majority of the combined company, which would be listed on a national stock exchange.
The press release says the parties aim to reach $2 billion through up to five additional acquisitions and expect the transaction to close in the first quarter of 2027.
Completion requires definitive documentation, shareholder approval, financing arrangements, and regulatory review; the filing states no assurance can be given.
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.
Only material 8-Ks get a brief: results, deals, executive changes, restructuring, impairments, delisting notices, restatements, cybersecurity incidents and other disclosed events. Routine filings (vote results, exhibits only) are skipped. Every GigCapital8 Corp. filing is on SEC EDGAR ↗. 8-K briefs of other companies →