Monitor the filing of the Form F-4 registration statement and proxy statement/prospectus for key disclosures on Quantisimo's financials and the PIPE investment. The closing is contingent on GigCapital8 shareholder approval and minimum cash conditions; any material redemptions or failure to secure PIPE financing could delay or jeopardize the deal.
Price Chart
Executive Summary
SEALSQ Corp (LAES) disclosed via Form 6-K that it, along with WISeQey Corp, has entered into a definitive business combination agreement with SPAC GigCapital8 Corp. (GIW) and Quantisimo Holdings Corp. (PubCo). Under the agreement, Quantisimo Corp. — a special-purpose vehicle holding interests in Miraex SA, SEALCOIN AG, WeCan Group SA, and WISeSat.Space — will merge with the SPAC, with PubCo becoming the Nasdaq-listed holding company. The transaction implies a pro forma equity value for Quantisimo of approximately $666.1 million at $10.00 per share, with SEALSQ and WISeQey receiving 66,610,000 PubCo shares and expected to hold a majority of PubCo's outstanding ordinary shares post-closing.
Key Facts
- SEALSQ, WISeQey, and GigCapital8 Corp. (GIW) entered into a definitive business combination agreement dated October 8, 2026.
- Quantisimo Corp. will merge with GigCapital8, with Quantisimo Holdings Corp. (PubCo) becoming the Nasdaq-listed holding company.
- SEALSQ and WISeQey will receive an aggregate of 66,610,000 PubCo shares as merger consideration.
- The transaction implies a pro forma equity value for Quantisimo of approximately $666.1 million at $10.00 per share.
- Closing is conditioned on minimum available cash of $15 million, funded from GigCapital8's trust account, any PIPE investment, and a matching cash contribution from SEALSQ.
- SEALSQ, WISeQey, GigCapital8's sponsor, and GigCapital8's directors and officers have agreed to six-month lock-up agreements.
- GigCapital8's sponsor has agreed to vote in favor of and not redeem its shares in connection with the transaction.
- PubCo's ordinary shares are expected to list on the Nasdaq Capital Market under the symbol 'QSMO'.
- The transaction is expected to close in the first quarter of 2027, subject to shareholder approvals and regulatory conditions.
- No termination fee, break-up fee, or similar fee is payable by any party upon termination of the merger agreement.
Financial Impact
Pro forma equity value of Quantisimo of approximately $666.1 million at $10.00 per share. SEALSQ and WISeQey to receive 66,610,000 PubCo shares. Minimum cash condition of $15 million at closing.
Risk Factors
- Risk that GigCapital8 shareholders do not approve the transaction or that redemptions reduce available cash below the $15 million minimum.
- Risk that SEALSQ fails to fund its required cash contribution.
- Risk that required regulatory approvals are not obtained or that the transaction does not close by the March 31, 2027 outside date.
- Risk that PubCo's ordinary shares are not approved for listing on Nasdaq.
- Risk that the transaction does not qualify for its intended tax treatment.
Investment Themes
Documents Analyzed
This report is based on 8 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 6-K Filing (Primary) | 0001213900-26-109266 |
| Document: ea030803901ex99-3.htm | 0001213900-26-109266 |
| Document: ea0308039-6k_sealsq.htm | 0001213900-26-109266 |
| Document: ea030803901ex99-4.htm | 0001213900-26-109266 |
| Document: ea030803901ex99-1.htm | 0001213900-26-109266 |
| Document: 0001213900-26-109266-index-headers.html | 0001213900-26-109266 |
| Document: 0001213900-26-109266-index.html | 0001213900-26-109266 |
| Document: 0001213900-26-109266.txt | 0001213900-26-109266 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | 6-K | $1.63 | awaiting T+20 | — | $1.63 (−0.04%) |
Oct 27, 2026 today | Press Release | $1.55 | awaiting T+20 | — | $1.63 (+5.16%) |
Oct 26, 2026 1d ago | Press Release | $1.52 | awaiting T+20 | — | $1.63 (+7.24%) |
Oct 16, 2026 11d ago | 6-K | $1.79 | awaiting T+20 | — | $1.63 (−8.94%) |
Oct 16, 2026 11d ago | 6-K | $1.79 | awaiting T+20 | — | $1.63 (−8.94%) |
Oct 15, 2026 12d ago | Press Release | $1.93 | awaiting T+20 | — | $1.63 (−15.54%) |
Oct 14, 2026 13d ago | 6-K | $1.84 | awaiting T+20 | — | $1.63 (−11.41%) |
Oct 13, 2026 14d ago | Press Release | $1.93 | awaiting T+20 | — | $1.63 (−15.54%) |
Oct 6, 2026 21d ago | Press Release | $2.42 | awaiting T+20 | — | $1.63 (−32.64%) |
Oct 2, 2026 25d ago | 6-K | $2.41 | awaiting T+20 | — | $1.63 (−32.37%) |
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