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 June 2026

 

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 issued by WISeKey International Holdings AG on June 4, 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: June 5, 2026 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

 

2 

 


ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

PRESS RELEASE ISSUED BY WISEKEY INTERNATIONAL HOLDINGS AG ON JUNE 4, 2026