Shareholding disclosure

Joel Arber

Declared position

19.865%

Threshold

Crossed upwards

Timeline

Published

04.10.2025

Transaction

01.10.2025

Voting rights breakdown

Voting rights acquired19.865%

Voting rights sold0%

Below threshold0%

Notice details

CategorySingle shareholder

ExchangeXSWX

Notification ID

ZA01-000000000QY66

Beneficial owner

Joel Arber

Declared address

Joel Arber, Melbourne, AU

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Shareholding disclosure

Joel Arber

WISeKey International Holding AG04.10.2025ZA01-000000000QY66

Disclosure summary

Joel Arber disclosed a holding in WISeKey International Holding AG on the acquisition side, published by SIX Exchange Regulation on 04.10.2025, at 19.865% of voting rights. Notice category: Single shareholder.

Disclosed position

19.865%

Voting rights acquired

Voting rights acquired19.865%

Voting rights sold0%

Below threshold0%

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Disclosure detail

Joel Arber disclosed a holding in WISeKey International Holding AG, published on 04.10.2025.

Publication date04.10.2025

Transaction date01.10.2025

Issuing companyWISeKey International Holding AG

Beneficial ownerJoel Arber

Declared addressJoel Arber, Melbourne, AU

CategorySingle shareholder

Voting rights acquired19.865%

Voting rights sold0%

Below threshold0%

ExchangeXSWX

Notification IDZA01-000000000QY66

Source: SIX Exchange Regulation · Publication date: 04.10.2025

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

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