Shareholding disclosure

Olivier Plan

Declared position

19.549%

Threshold

Crossed upwards

Timeline

Published

17.12.2025

Transaction

16.12.2025

Voting rights breakdown

Voting rights acquired19.549%

Voting rights sold0%

Below threshold0%

Notice details

CategorySingle shareholder

ExchangeXSWX

Notification ID

ZA01-000000000REX7

Beneficial owner

Olivier Plan

Declared address

Olivier Plan, Monte Carlo, MC

Note to the purchase positions: the purchase positions include 32,913,860 shares net of 2,800,000 shares sold with effect as of 12.12.2026.

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Shareholding disclosure

Olivier Plan

MindMaze Therapeutics Holding SA17.12.2025ZA01-000000000REX7

Disclosure summary

Olivier Plan disclosed a holding in MindMaze Therapeutics Holding SA on the acquisition side, published by SIX Exchange Regulation on 17.12.2025, at 19.549% of voting rights. Notice category: Single shareholder.

Disclosed position

19.549%

Voting rights acquired

Voting rights acquired19.549%

Voting rights sold0%

Below threshold0%

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Disclosure detail

Olivier Plan disclosed a holding in MindMaze Therapeutics Holding SA, published on 17.12.2025.

Publication date17.12.2025

Transaction date16.12.2025

Issuing companyMindMaze Therapeutics Holding SA

Beneficial ownerOlivier Plan

Declared addressOlivier Plan, Monte Carlo, MC

CategorySingle shareholder

Voting rights acquired19.549%

Voting rights sold0%

Below threshold0%

ExchangeXSWX

Notification IDZA01-000000000REX7

Conditions

Note to the purchase positions: the purchase positions include 32,913,860 shares net of 2,800,000 shares sold with effect as of 12.12.2026.

Source: SIX Exchange Regulation · Publication date: 17.12.2025

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

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