Shareholding disclosure

Joel Arber

Declared position

14.088%

Threshold

Crossed upwards

Timeline

Published

06.06.2026

Transaction

31.05.2026

Voting rights breakdown

Voting rights acquired14.088%

Voting rights sold0%

Below threshold0%

Notice details

CategorySingle shareholder

ExchangeXSWX

Notification ID

ZA01-000000000S6N0

Beneficial owner

Joel Arber

Declared address

Joel Arber, Melbourne, AU

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Shareholding disclosure

Joel Arber

WISeKey International Holding AG06.06.2026ZA01-000000000S6N0

Disclosure summary

Joel Arber disclosed a holding in WISeKey International Holding AG on the acquisition side, published by SIX Exchange Regulation on 06.06.2026, at 14.088% of voting rights. Notice category: Single shareholder.

Disclosed position

14.088%

Voting rights acquired

Voting rights acquired14.088%

Voting rights sold0%

Below threshold0%

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Disclosure detail

Joel Arber disclosed a holding in WISeKey International Holding AG, published on 06.06.2026.

Publication date06.06.2026

Transaction date31.05.2026

Issuing companyWISeKey International Holding AG

Beneficial ownerJoel Arber

Declared addressJoel Arber, Melbourne, AU

CategorySingle shareholder

Voting rights acquired14.088%

Voting rights sold0%

Below threshold0%

ExchangeXSWX

Notification IDZA01-000000000S6N0

Source: SIX Exchange Regulation · Publication date: 06.06.2026

These figures aggregate public disclosures. They are not investment advice.

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