Moreira Andreas Feuardent - 08 Jun 2026 Form 4 Insider Report for Wisekey International Holding S.A. (WKEY)

Reporting relationship: Chief Innovation Officer
Issuer ticker: WKEY
Reported as of: 08 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 16 Jun 2026, 16:15:10 UTC
Prior SEC filing: 08 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ John O'Hara, Attorney-in-Fact

Key filing fact

Moreira Andreas Feuardent filed Form 4 for Wisekey International Holding S.A. (WKEY) on 16 Jun 2026.

Key facts

This page summarizes Moreira Andreas Feuardent's Form 4 filing for Wisekey International Holding S.A. (WKEY).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 16 Jun 2026, 16:15.

Change

Previous filing in this sequence was filed on 08 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002115483 Primary reporting owner

Feuardent Moreira Andreas

Relationship: Chief Innovation Officer
Address: C/O WISEKEY INTERNATIONAL HOLDING S.A., AVENUE LOUIS-CASAI 58, COINTRIN, SWITZERLAND
Signature: /s/ John O'Hara, Attorney-in-Fact
Signature date: 16 Jun 2026

This filing has been restated. Open the amended filing.

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WKEY transaction

Class B Shares

Options Exercise

Transaction value
Shares: +440
Change %
Price: $3.14^*
Shares after: 440
Date: 08 Jun 2026
Ownership: By wife
Footnotes: F1

WKEY transaction

Class B Shares

Tax liability

Transaction value
Shares: -139
Change %: -32%
Price: $10.51^*
Shares after: 301
Date: 08 Jun 2026
Ownership: By wife
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WKEY transaction Derivative

Employee Stock Option Plan (right to buy)

Options Exercise

Transaction value
Shares: +440
Change %
Price: $0.000000^*
Shares after: 0
Date: 08 Jun 2026
Ownership: By wife
Underlying class: Class B Shares
Underlying amount: 440
Exercise price: $3.14
Footnotes: F1, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The exercise price of CHF 2.50 per share has been converted to U.S. dollars using the noon buying rate for the Swiss franc as published by the Federal Reserve Board in its H.10 weekly release. The exchange rate used was 0.7955 Swiss francs per U.S. dollar, as reported on June 5, 2026, which is the most recent rate published by the Federal Reserve prior to the transaction date of June 8, 2026. Based on this rate, the exercise price is approximately $3.14 per share.

Footnote F2

The exercise price of CHF 8.36 per share has been converted to U.S. dollars using the noon buying rate for the Swiss franc as published by the Federal Reserve Board in its H.10 weekly release. The exchange rate used was 0.7955 Swiss francs per U.S. dollar, as reported on June 5, 2026, which is the most recent rate published by the Federal Reserve prior to the transaction date of June 8, 2026. Based on this rate, the exercise price is approximately $10.51 per share.

Footnote F3

The accompanying tax-offset right, which was granted in tandem with the option, entitles the reporting person to receive, upon exercise of the option, a cash payment equal to the tax withholding incurred in connection with the exercise, including tax withholding incurred on the tax-offset payment.