# EDGAR Filing Document

**Accession Number:** 0001738699
**File Stem:** 0001104659-26-054914
**Filing Date:** 2026-5
**Character Count:** 2972
**Document Hash:** 28995a354ed44990ef9149f0112dec95
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-054914.hdr.sgml**: 20260504

**ACCESSION NUMBER**: 0001104659-26-054914

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260504

**FILED AS OF DATE**: 20260504

**DATE AS OF CHANGE**: 20260504

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Wisekey International Holding S.A.
- **CENTRAL INDEX KEY:** 0001738699
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 000000000
- **STATE OF INCORPORATION:** V8
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39115
- **FILM NUMBER:** 26937832

**BUSINESS ADDRESS:**
- **STREET 1:** ROUTE DE PRE-BOIS 29, P.O. BOX 853
- **CITY:** GENEVA 15
- **STATE:** V8
- **ZIP:** CH-1215
- **BUSINESS PHONE:** 011-41-22-594-3034

**MAIL ADDRESS:**
- **STREET 1:** ROUTE DE PRE-BOIS 29, P.O. BOX 853
- **CITY:** GENEVA 15
- **STATE:** V8
- **ZIP:** CH-1215

**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 May 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)**

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| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Canton of Zug, Switzerland**<br>| &nbsp;&nbsp;**General-Guisan-Strasse 6**<br> **CH-6300 Zug, Switzerland**<br>| &nbsp;&nbsp;**Not Applicable** |
| &nbsp;&nbsp;(State or other jurisdiction of incorporation or organization) | &nbsp;&nbsp;(Address of principal executive office) | &nbsp;&nbsp;(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<br> <u>No.</u> <u>Description</u> <br>[99.1](tm2613351d1_ex99-1.pdf) [2025 Annual Report of WISeKey International Holdings AG](tm2613351d1_ex99-1.pdf)

**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: May 4, 2026 | **WISEKEY INTERNATIONAL HOLDING AG** | **WISEKEY INTERNATIONAL HOLDING AG** | **WISEKEY INTERNATIONAL HOLDING AG** |
|  | By: | /s/ Carlos Moreira | /s/ Carlos Moreira |
|  |  | Name: | Carlos Moreira |
|  |  | Title: | Chief Executive Officer |
|  | By: | /s/ John O'Hara | /s/ John O'Hara |
|  |  | Name: | John O'Hara |
|  |  | Title: | Chief Financial Officer |

---

### Attached PDF Documents

**Attachment 1:** `tm2613351d1_ex99-1.pdf`

_No text found in this document._