# EDGAR Filing Document

**Accession Number:** 0001738699
**File Stem:** 0001193805-25-000778
**Filing Date:** 2025-6
**Character Count:** 6686
**Document Hash:** bd5bd0c7c9fe4418b244c4917551deff
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193805-25-000778.hdr.sgml**: 20250604

**ACCESSION NUMBER**: 0001193805-25-000778

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20250604

**FILED AS OF DATE**: 20250604

**DATE AS OF CHANGE**: 20250604

**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:** 251022178

**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

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**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, DC 20549**

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**FORM 6-K**

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**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 2025**

**Commission File Number: 001-39115**

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**WISEKEY INTERNATIONAL HOLDING AG**

**(Exact Name of Registrant as Specified in Charter)**

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**WISEKEY INTERNATIONAL HOLDING LTD**

**(Translation of Registrant's name into English)**

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| | | |
|:---|:---|:---|
| **Canton of Zug, Switzerland**<br>| **General-Guisan-Strasse 6**<br> **CH-6300 Zug, Switzerland** | **Not Applicable** |
| (State or other jurisdiction of incorporation or organization)<br>| (Address of principal executive office) | (I.R.S. Employer Identification No.) |

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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 [Press release of WISeKey International Holding AG, issued on June 4, 2025.](e664582_ex99-1.htm)

**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.

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| | | |
|:---|:---|:---|
| Date: June 4, 2025 | **wisekey international holding ag** | **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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## Exhibit 99.1

**WISeKey International Holding Ltd Announces Adjournment of 2025 Annual General Meeting**

**<br> Zug, Switzerland, June 4, 2025** – **Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules –** WISeKey International Holding Ltd. ("WISeKey" or the "Company") (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company, announced today that the Board of Directors has decided, for logistical reasons, to ajourn the 2025 Annual General Meeting of Shareholders ("**AGM**") from June 19, 2025, 2 p.m. Swiss time, to June 27, 2025, at 2:00 p.m. Swiss time.

The venue of the 2025 AGM will remain the offices of Homburger AG, Prime Tower, Hardstrasse 201, 8005 Zurich, Switzerland. Admittance to the 2025 AGM will start at 1:30 p.m. Swiss time.

Other than the date of the AGM, nothing will change. In particular, the items on the agenda of the AGM and the related proposals of the Board of Directors remain unchanged.

**About WISeKey**

WISeKey (NASDAQ: WKEY; SIX Swiss Exchange: WIHN) is a leading global cybersecurity company currently deploying large scale digital identity ecosystems for people and objects using Blockchain, AI and IoT respecting the Human as the Fulcrum of the Internet. WISeKey microprocessors secure the pervasive computing shaping today's Internet of Everything. WISeKey IoT has an install base of over 1.5 billion microchips in virtually all IoT sectors (connected cars, smart cities, drones, agricultural sensors, anti-counterfeiting, smart lighting, servers, computers, mobile phones, crypto tokens etc.). WISeKey is uniquely positioned to be at the edge of IoT as our semiconductors produce a huge amount of Big Data that, when analyzed with Artificial Intelligence (AI), can help industrial applications to predict the failure of their equipment before it happens.

Our technology is Trusted by the OISTE/WISeKey's Swiss based cryptographic Root of Trust ("RoT") provides secure authentication and identification, in both physical and virtual environments, for the Internet of Things, Blockchain and Artificial Intelligence. The WISeKey RoT serves as a common trust anchor to ensure the integrity of online transactions among objects and between objects and people. For more information, visit <u>www.wisekey.com</u>.

**Press and investor contacts:**

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| | |
|:---|:---|
| **WISeKey International Holding Ltd** <br> Company Contact: Carlos Moreira<br> Chairman & CEO<br> Tel: +41 22 594 3000<br> <u>info@wisekey.com</u> | **WISeKey Investor Relations (US)** <br> Contact: Lena Cati<br> The Equity Group Inc.<br> Tel: +1 212 836-9611<br> <u>lcati@equityny.com</u> |

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**Disclaimer:**

This communication expressly or implicitly contains certain forward-looking statements concerning WISeKey International Holding Ltd and its business. Such statements involve certain known and unknown risks, uncertainties and other factors, which could cause the actual results, financial condition, performance or achievements of WISeKey International Holding Ltd to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. WISeKey International Holding Ltd 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.

This press release does not constitute an offer to sell, or a solicitation of an offer to buy, any securities, and it does not constitute an offering prospectus within the meaning of the Swiss Financial Services Act ("FinSA"), the FInSa's predecessor legislation or advertising within the meaning of the FinSA. Investors must rely on their own evaluation of WISeKey and its securities, including the merits and risks involved. Nothing contained herein is, or shall be relied on as, a promise or representation as to the future performance of WISeKey.