Wisekey Files 6-K with SEALSQ Corp Half Year Report

Ticker: WSKEF · Form: 6-K · Filed: Sep 17, 2025 · CIK: 1738699

Wisekey International Holding S.A. 6-K Filing Summary
FieldDetail
CompanyWisekey International Holding S.A. (WSKEF)
Form Type6-K
Filed DateSep 17, 2025
Risk Levellow
Pages1
Reading Time1 min
Sentimentneutral

Sentiment: neutral

Topics: reporting, subsidiary-report, financials

Related Tickers: WKEY

TL;DR

Wisekey dropped a 6-K with SEALSQ's H1 report on Sept 17. Check it for financials.

AI Summary

Wisekey International Holding S.A. filed a Form 6-K on September 17, 2025, reporting on its activities for the month of September 2025. The filing includes Exhibit 99.1, which is the Half Year Report of SEALSQ Corp, including its Management's Discussion and Analysis of Financial Condition and Results of Operations, issued on September 9, 2025.

Why It Matters

This filing provides investors with an update on Wisekey's financial performance and operational status through the SEALSQ Corp report, offering insights into the company's recent business developments.

Risk Assessment

Risk Level: low — This filing is a routine report of foreign private issuer and does not contain significant new financial information or material events.

Key Players & Entities

  • Wisekey International Holding S.A. (company) — Registrant
  • SEALSQ Corp (company) — Subsidiary whose report is included
  • September 9, 2025 (date) — Date of SEALSQ Corp report
  • September 17, 2025 (date) — Filing date of the 6-K

FAQ

What is the primary purpose of this Form 6-K filing?

The primary purpose of this Form 6-K filing is to report information that Wisekey International Holding S.A. has made or is required to make public in Switzerland or to its security holders, specifically including the Half Year Report of SEALSQ Corp.

What is included as an exhibit in this filing?

Exhibit 99.1, the Half Year Report of SEALSQ Corp including Management’s Discussion and Analysis of Financial Condition and Results of Operations, issued on September 9, 2025, is included as an exhibit.

What is the filing date of this Form 6-K?

This Form 6-K was filed on September 17, 2025.

Which subsidiary's report is being provided?

The Half Year Report of SEALSQ Corp is being provided.

What type of company is Wisekey International Holding S.A. according to the filing?

Wisekey International Holding S.A. is identified as a Foreign Private Issuer.

Filing Stats: 203 words · 1 min read · ~1 pages · Grade level 15.6 · Accepted 2025-09-17 11:50:59

Filing Documents

SIGNATURES

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: September 17, 2025 wisekey international holding ag By: /s/ Carlos Moreira Name: Carlos Moreira Title: Chief Executive Officer By: /s/ John O’Hara Name: John O’Hara Title: Chief Financial Officer 3

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