SEALSQ (LAES) teams with WeCan on Post‑Quantum KYC; 28.3% stake

SEALSQ Corp announced a strategic collaboration with Switzerland-based WeCan Group SA to develop a Post‑Quantum KYC solution.

Rhea-AI Filing Summary

SEALSQ Corp announced a strategic collaboration with Switzerland-based WeCan Group SA to develop a Post‑Quantum KYC solution. The initiative aims to protect client data from collection through processing against future decryption risks as quantum computing advances.

The filing notes related‑party ties: SEALSQ’s Chairman and CEO, Carlos Moreira, serves on WeCan’s board, and SEALSQ holds a 28.3% equity stake in WeCan as of October 14, 2025. The information is incorporated by reference into SEALSQ’s effective shelf and employee plans via its Form F‑3 (File No. 333‑286098) and Form S‑8 (File No. 333‑287139).

Insights

Tech strategy & governance analyst

Neutral strategic update with related-party disclosure.

SEALSQ is partnering with WeCan to build a post-quantum KYC solution, targeting protection of sensitive client data from potential future decryption as quantum capabilities evolve. This positions the companies within emerging compliance-grade cryptography.

Governance is flagged: the CEO of SEALSQ sits on WeCan’s board, and SEALSQ owns 28.3% of WeCan as of October 14, 2025. Such overlaps are common but warrant transparent disclosure, which the company provides.

The 6-K also incorporates this update into existing Form F-3 and S-8 registrations, maintaining consistent investor disclosure. Commercial timing or revenue impact is not described in the excerpt.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did SEALSQ (LAES) announce in this 6-K?

SEALSQ and WeCan Group SA announced a strategic collaboration to develop a Post‑Quantum KYC solution to secure client data across its lifecycle.

Who is WeCan Group SA in relation to SEALSQ (LAES)?

WeCan is a Swiss provider of global compliance infrastructure for regulated institutions and is collaborating with SEALSQ on Post‑Quantum KYC.

What related-party relationships are disclosed for LAES?

SEALSQ’s CEO, Carlos Moreira, is on WeCan’s board, and SEALSQ holds a 28.3% equity stake in WeCan as of October 14, 2025.

What is the goal of the Post‑Quantum KYC solution?

To secure client data from collection to processing against the risk of future decryption as quantum computing capabilities evolve.

Which registration statements incorporate this information by reference?

Form F‑3 (File No. 333‑286098) and Form S‑8 (File No. 333‑287139), including their base prospectus and any outstanding prospectus supplements.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/14/2025 - 04:01 PM Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 under the

Securities Exchange Act of 1934

For the month of October 2025

Commission File Number: 001-41709

SEALSQ CORP

(Exact Name of Registrant as Specified in Charter)

N/A

(Translation of Registrant’s name into English)

British Virgin Islands	Avenue Louis-Casaï 58 1216 Cointrin, Switzerland	Not Applicable
(State or other jurisdiction of incorporation or organization)	(Address of principal executive office)	(I.R.S. Employer Identification No.)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

☒ Form 20-F         ☐ Form 40-F

On October 14, 2025, SEALSQ Corp (“SEAL”) and WeCan Group SA (“WeCan”), a Swiss provider of global compliance infrastructure for regulated institutions, announced a strategic collaboration to develop a Post-Quantum KYC (Know Your Customer) solution, which will aim to secure client data from collection to processing, addressing the growing risk of future decryption by state or malicious actors as quantum computing capabilities evolve.

SEAL’s Chairman, Chief Executive Officer and member of the SEAL board of directors, Carlos Moreira, is a member of the board of directors of WeCan. As of October 14, 2025, Seal holds a 28.3% equity stake in WeCan.

The information contained in this Report on Form 6-K is hereby incorporated by reference into the registration statement on Form F-3 of the Company (File No. 333-286098), as amended, and the registration statement on Form S-8 of the Company (File No. 333-287139), and into the base prospectus and any prospectus supplement outstanding under each of the foregoing registration statements, to the extent not superseded by documents or reports subsequently filed or furnished by the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: October 14, 2025	SEALSQ CORP
	By:	/s/ Carlos Moreira
		Name: Carlos Moreira
		Title:   Chief Executive Officer
	By:	/s/ John O’Hara
		Name: John O’Hara
		Title:   Chief Financial Officer