WISeQey unit targets 2027 QS7001 certification

As of September 30, 2026, 42 prospective customers and partners were evaluating QS7001 and QVault TPM.

Rhea-AI Filing Summary

WISeQey Corp. reported that its subsidiary SEALSQ Corp. completed the technical evaluation phase of Common Criteria EAL5+ certification for the QS7001 V1 secure element. SERMA Safety & Security performed the physical and functional security tests, and every test received a PASS result; the certification process has entered its final phase.

Audits of sites involved in development, production and engineering assembly are scheduled for January 2027. After the audits, the evaluation report is expected to be submitted to France’s ANSSI for formal certificate issuance. SEALSQ said formal certification is targeted for 2027 and a V2 full post-quantum evaluation is expected in January 2027. As of September 30, 2026, 42 prospective customers and partners were evaluating QS7001 and QVault TPM.

Filing Explained

SEALSQ says customers can advance QS7001 design and product-launch plans using the completed technical evaluation, while formal EAL5+ certification remains pending: site audits are scheduled for January 2027, with the evaluation report expected to go to ANSSI afterward.

Key Figures

Common Criteria assurance level: EAL5+ Prospective customers and partners: 42 Partner sites with renewal audits: 2 sites +2 more

5 metrics

Common Criteria assurance level EAL5+ QS7001 V1 technical evaluation phase

Prospective customers and partners 42 Evaluating QS7001 and QVault TPM as of September 30, 2026

Partner sites with renewal audits 2 sites QS7001 certification audits scheduled for January 2027

Site audit schedule January 2027 Audits of sites involved in QS7001 development, production and engineering assembly

Formal certification target 2027 SEALSQ’s stated target for formal QS7001 certification

Key Terms

Common Criteria EAL5+, side-channel attacks, hardware Root of Trust, ML-KEM, +1 more

5 terms

Common Criteria EAL5+ technical

"Common Criteria EAL5+ certification"

Common Criteria EAL5+ is a high assurance security certification for hardware or software that means the product has been rigorously tested and reviewed against formal standards, with extra checks beyond the baseline EAL5 level. For investors, it signals lower technical and regulatory risk and can make a product eligible for sensitive government or enterprise contracts—similar to a building passing an advanced safety inspection that unlocks premium tenants.

side-channel attacks technical

"physical and side-channel attacks"

Side-channel attacks are methods hackers use to gather secrets by observing indirect clues from a device or system—such as power use, timing, electromagnetic emissions, or error messages—rather than breaking the software directly. Think of it like deducing a safe’s combination by listening to the tumblers instead of picking the lock. For investors, these attacks can lead to data breaches, product recalls, regulatory penalties, lost sales and reputational damage that reduce a company’s value.

hardware Root of Trust technical

"a hardware Root of Trust"

A hardware root of trust is a small, protected set of physical components and code built into a device that creates its secure identity and checks that the device only runs approved software when it powers up. Investors should care because it acts like a tamper‑proof lock that reduces the risk of hacking, data theft and product recalls, supports regulatory compliance and customer trust, and therefore can protect revenue, limit liability and improve market acceptance.

ML-KEM technical

"post-quantum algorithms ML-KEM (FIPS 203)"

ML-DSA technical

"ML-DSA (FIPS 204) alongside classical cryptography"

FAQ

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

What did WKEY report about SEALSQ’s QS7001 certification?

SEALSQ’s QS7001 V1 completed the technical evaluation phase of Common Criteria EAL5+ certification, with every physical and functional security test receiving a PASS result. The certification process has moved to site audits scheduled for January 2027; the evaluation report is expected to be submitted to ANSSI afterward.

What audits remain for WKEY’s SEALSQ QS7001 certification?

The remaining audits, scheduled for January 2027, include a new audit scope at SEALSQ’s Meyreuil, France, site that includes its clean room, and renewal audits at two partner sites. After the audits are passed, the evaluation report will be submitted to ANSSI for formal certificate issuance.

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

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Available on EDGAR 10/28/2026 - 04:15 PM EDT Accepted by SEC EDGAR 10/28/2026 - 04:15 PM EDT 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 2026

Commission File Number: 001-39115

WISEQEY CORP

(Exact Name of Registrant as Specified in Charter)

WISEQEY CORP

(Translation of Registrant’s name into English)

British Virgin Islands		CRAIGMUIR CHAMBERS, ROAD TOWN, TORTOLA, TORTOLA, Virgin Islands, British, VG 1110		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 27, 2026, SEALSQ Corp (“SEALSQ”), a subsidiary of WISeQey Corp (the “Company” or “WISeQey”), announced that its Quantum Shield QS7001™ post-quantum secure element (the “QS7001”) completed the technical evaluation phase of its Common Criteria EAL5+ certification.

All physical and functional security tests on QS7001 V1 were performed by SERMA Safety & Security, an evaluation laboratory licensed by the French National Cybersecurity Agency (“ANSSI”). Each test received a PASS result.

With the technical evaluation complete, the certification process has entered its final phase. This phase consists of audits, scheduled for January 2027, of the sites involved in the development, production and engineering assembly of the QS7001. Upon completion of these audits, the evaluation report is expected to be submitted to ANSSI for formal issuance of the certificate.

Forward-Looking Statements

This Report on Form 6-K contains statements that constitute “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements include, but are not limited to, statements regarding the expected timing and completion of the remaining steps in the Common Criteria EAL5+ certification process for the QS7001, including the site audits scheduled for January 2027, the submission of the evaluation report to ANSSI, and the formal issuance of the certificate, as well as statements regarding the anticipated market acceptance, commercialization and benefits of the QS7001 and the other post-quantum products of the Company and SEALSQ. Words such as “expect,” “anticipate,” “intend,” “plan,” “believe,” “estimate,” “schedule,” “will,” “may,” “should,” “could,” “would” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. These statements are based on the current expectations and assumptions of the management of the Company and SEALSQ and are subject to known and unknown risks, uncertainties and other factors, many of which are beyond the control of the Company and SEALSQ, that could cause actual results to differ materially from those expressed or implied by such statements.

Such risks, uncertainties and other factors include, among others: the risk that the site audits or ANSSI’s review are delayed, identify deficiencies or require remediation, or that the certificate is not issued on the anticipated timeline or at all; SEALSQ’s ability to successfully develop, produce and commercialize the QS7001 and its other post-quantum products; market acceptance of post-quantum cryptography solutions and the pace of adoption of related standards and regulatory requirements; competition and rapid technological change; SEALSQ’s dependence on third-party laboratories, suppliers, foundries and assembly and test partners; the ability of the Company and SEALSQ to obtain additional financing on acceptable terms; general economic, political and market conditions; and the other risks and uncertainties described under the caption “Risk Factors” in the Company’s most recent Annual Report on Form 20-F and in its other filings with the U.S. Securities and Exchange Commission, as well as in SEALSQ’s most recent Annual Report on Form 20-F and its other filings with the U.S. Securities and Exchange Commission. Forward-looking statements speak only as of the date of this Report on Form 6-K, and the Company undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise, except as required by law.

Exhibit No.		Description
99.1		Press release of SEALSQ Corp issued on October 27, 2026

1

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 28, 2026	WISEQEY CORP
	By:	/s/ Carlos Moreira
		Name:	Carlos Moreira
		Title:	Chief Executive Officer
	By:	/s/ John O’Hara
		Name:	John O’Hara
		Title:	CFO

2

Exhibit 99.1 

SEALSQ QS7001 V1 Successfully Completes Common Criteria EAL5+ Technical Security Evaluation at SERMA, as Announced at the “Uncovering the Coming Wave of Quantum + AI” Event in NYC

All physical and functional security tests passed. Certification enters its final site audit and administrative phase ahead of formal certificate issuance by ANSSI

Geneva, Switzerland, October 27, 2026 -- SEALSQ Corp (NASDAQ: LAES) (“SEALSQ” or “Company”), a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and software products, today announced that its QS7001 secure element has successfully completed the technical evaluation phase of its Common Criteria EAL5+ certification.

All physical and functional security tests on QS7001 V1, performed by SERMA Safety & Security, an evaluation laboratory licensed by the French National Cybersecurity Agency (ANSSI), have been completed with a PASS result. The laboratory official letter states that “The penetration test campaign is closed with a final verdict to PASS.” The letter adds that “the claimed assurance level is EAL5 augmented with ALC_DVS.2 and AVA_VAN.5”

The result is a major milestone not only for QS7001 but for SEALSQ’s wider family of quantum-resistant hardware. SEALSQ’s new secure products are developed by adding dedicated firmware on top of the QS7001 hardware platform. VaultIC409, the new quantum-ready secure element, and QVault TPM, the post-quantum Trusted Platform Module, are both built this way and will therefore benefit from the same hardware certification level. Both products will be showcased at electronica 2026 in Munich, November 10 to 13 (Hall C6, booth 670).

Very few companies have the capability to reach this level of certification. The expertise required to design, test and certify such chips takes many years to build in-house, which makes certified secure hardware a scarce strategic asset as governments and industries prepare for the post-quantum transition.

Common Criteria EAL5+ is one of the most demanding security assurance levels for secure hardware. The technical evaluation covers the resistance of the chip to physical and side-channel attacks, including fault injection, as well as the correct and secure operation of its security functions. It follows the fault-injection and side-channel testing completed in March 2026 and the NIST SP 800-90B Entropy Source Validation obtained by QS7001 in May 2026 (Certificate #E333).

With all technical evaluation activities completed, the certification process has entered its final phase. This milestone was completed on schedule, with the V2 full post-quantum evaluation expected in January 2027 and formal certification targeted for 2027. The remaining steps include audits of the sites involved in the development, production and engineering assembly of the product: a new audit scope for SEALSQ’s site in Meyreuil, France, which now includes its clean room, and the renewal audits of two partner sites. These audits are scheduled for January 2027. Once they have been passed, the evaluation report will be submitted to ANSSI for the formal issuance of the certificate.

For customers, this milestone means that the security of QS7001 has now been fully tested by an independent laboratory. Customers can use these results to move ahead with their design and product launch plans based on the completed technical evaluation, a common practice for secure semiconductors at this stage of certification.

“Passing every physical and functional test at the EAL5+ level is the result that matters most to our customers,” said Carlos Moreira, Founder, Chairman and CEO of SEALSQ. “Security features are not certified security. With the technical phase of the evaluation complete, manufacturers can build on QS7001, VaultIC409 and QVault TPM with confidence today, while the final audits and the formal certificate follow.”

QS7001 is SEALSQ’s post-quantum secure element platform. It combines a hardware Root of Trust with NIST-standardized post-quantum algorithms ML-KEM (FIPS 203) and ML-DSA (FIPS 204) alongside classical cryptography. As of September 30, 2026, 42 prospective customers and partners were evaluating QS7001 and QVault TPM.

“Manufacturers in smart energy, industrial, medical and connected device markets are preparing for new EU and U.S. security requirements and for the move to post-quantum cryptography,” said Gweltas Radenac, Product Marketing Director at SEALSQ. “Completing the EAL5+ technical evaluation of QS7001 gives them a hardware foundation that has already proven its resistance to attack, and a clear path to post-quantum security on the same platform.”

About SEALSQ:

SEALSQ is a leading innovator in Post-Quantum Technology hardware and software solutions. Our technology seamlessly integrates Semiconductors, PKI (Public Key Infrastructure), and Provisioning Services, with a strategic emphasis on developing state-of-the-art Quantum Resistant Cryptography and Semiconductors designed to address the urgent security challenges posed by quantum computing. As quantum computers advance, traditional cryptographic methods like RSA and Elliptic Curve Cryptography (ECC) are increasingly vulnerable.

SEALSQ is pioneering the development of Post-Quantum Semiconductors that provide robust, future-proof protection for sensitive data across a wide range of applications, including Multi-Factor Authentication tokens, Smart Energy, Medical and Healthcare Systems, Defense, IT Network Infrastructure, Automotive, and Industrial Automation and Control Systems. By embedding Post-Quantum Cryptography into our semiconductor solutions, SEALSQ ensures that organizations stay protected against quantum threats. Our products are engineered to safeguard critical systems, enhancing resilience and security across diverse industries.

For more information on our Post-Quantum Semiconductors and security solutions, please visit www.sealsq.com.

2

Forward-Looking Statements

This communication expressly or implicitly contains certain forward-looking statements concerning SEALSQ Corp and its businesses. Forward-looking statements include statements regarding our business strategy, financial performance, results of operations, market data, events or developments that we expect or anticipate will occur in the future, as well as any other statements which are not historical facts. Although we believe that the expectations reflected in such forward-looking statements are reasonable, no assurance can be given that such expectations will prove to have been correct. These statements involve known and unknown risks and are based upon a number of assumptions and estimates which are inherently subject to significant uncertainties and contingencies, many of which are beyond our control. Actual results may differ materially from those expressed or implied by such forward-looking statements. Important factors that, in our view, could cause actual results to differ materially from those discussed in the forward-looking statements include SEALSQ’s ability to continue beneficial transactions with material parties, including a limited number of significant customers; market demand and semiconductor industry conditions; and the risks discussed in SEALSQ’s filings with the SEC. Risks and uncertainties are further described in reports filed by SEALSQ with the SEC.

SEALSQ Corp is providing this communication as of this date and does not undertake to update any forward-looking statements contained herein as a result of new information, future events or otherwise.

SEALSQ Corp.
Carlos Moreira
Chairman & CEO
Tel: +41 22 594 3000
info@sealsq.com SEALSQ Investor Relations (US)
The Equity Group Inc.
Lena Cati
Tel: +1 212 836-9611 lena.cati@theequitygroup.com

3

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 PRESS RELEASE OF SEALSQ CORP ISSUED ON OCTOBER 27, 2026 15.0 KB