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 August 2025

                 

Commission File Number: 001-39115

 


 

WISEKEY INTERNATIONAL HOLDING AG

(Exact Name of Registrant as Specified in Charter)

 


 

WISEKEY INTERNATIONAL HOLDING LTD

(Translation of Registrant’s name into English)

 


     

Canton of Zug, Switzerland

 

General-Guisan-Strasse 6

CH-6300 Zug, 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

     

 

 

 

Exhibit
No.
  Description
     
99.1   Press release of WISeKey International Holding AG, issued on August 4, 2025.

 

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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: August 4, 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

 

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ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

e664761_ex99-1.htm