Shareholding disclosure

Joel Arber

Declared position

16.738%

Threshold

Crossed upwards

Timeline

Published

07.02.2026

Transaction

02.02.2026

Voting rights breakdown

Voting rights acquired16.738%

Voting rights sold16.738%

Below threshold0%

Notice details

CategorySingle shareholder

ExchangeXSWX

Notification ID

ZA01-000000000RM23

Beneficial owner

Joel Arber

Declared address

Joel Arber, Melbourne, AU

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Shareholding disclosure

Joel Arber

WISeKey International Holding AG07.02.2026ZA01-000000000RM23

Disclosure summary

Joel Arber disclosed a holding in WISeKey International Holding AG on the acquisition side, published by SIX Exchange Regulation on 07.02.2026, at 16.738% of voting rights. Notice category: Single shareholder.

Disclosed position

16.738%

Voting rights acquired

Voting rights acquired16.738%

Voting rights sold16.738%

Below threshold0%

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Disclosure detail

Joel Arber disclosed a holding in WISeKey International Holding AG, published on 07.02.2026.

Publication date07.02.2026

Transaction date02.02.2026

Issuing companyWISeKey International Holding AG

Beneficial ownerJoel Arber

Declared addressJoel Arber, Melbourne, AU

CategorySingle shareholder

Voting rights acquired16.738%

Voting rights sold16.738%

Below threshold0%

ExchangeXSWX

Notification IDZA01-000000000RM23

Source: SIX Exchange Regulation · Publication date: 07.02.2026

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

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