Register of management transactions and significant shareholdings — Page 29

Every operation disclosed to SIX Exchange Regulation, newest first, with filters by company, direction and amount.

PurchaseManagement transactions

Logitech International S.A.

Non-executive member of the board of directors · Registered shares

CHF 128’8901’618 × CHF 79.6610.09.2026
SaleManagement transactions

Sensirion Holding AG

Non-executive member of the board of directors · Registered shares

CHF 23’304300 × CHF 77.6810.09.2026
SaleManagement transactions

Sensirion Holding AG

Non-executive member of the board of directors · Registered shares

CHF 38’840500 × CHF 77.6810.09.2026
PurchaseManagement transactions

Investis Holding SA

Executive member of the board of directors / senior management · Registered shares

CHF 87’492609 × CHF 143.6710.09.2026
PurchaseManagement transactions

Medacta Group SA

Executive member of the board of directors / senior management · Registered shares

CHF 19’470165 × CHF 118.0010.09.2026
PurchaseManagement transactions

Warteck Invest AG

Non-executive member of the board of directors · Registered shares

CHF 38’79320 × CHF 1’94010.09.2026
PurchaseManagement transactions

Infracore SA

Executive member of the board of directors / senior management · Registered shares

CHF 12’463250 × CHF 49.8510.09.2026
PurchaseShareholdings

Santhera Pharmaceuticals Holding AG

BlackRock, Inc · Single shareholder

3.03%Voting rights acquired09.09.2026
PurchaseShareholdingsThreshold crossing

Medartis Holding AG

Bank of America Corporation · Single shareholder

11.219%Voting rights acquired09.09.2026
PurchaseShareholdings

DKSH Holding AG

BlackRock, Inc · Single shareholder

3.063%Voting rights acquired09.09.2026
SaleShareholdingsMajor stake

Addex Therapeutics Ltd

ADDEX THERAPEUTICS LTD · Single shareholder

30.418%Voting rights sold09.09.2026
PurchaseShareholdingsThreshold crossing

Addex Therapeutics Ltd

Timothy Dyer · Single shareholder

9.247%Voting rights acquired09.09.2026
PurchaseManagement transactions

Matador Secondary Private Equity AG

Executive member of the board of directors / senior management · Bearer shares

CHF 8’4602’250 × CHF 3.7609.09.2026
SaleManagement transactions

Sensirion Holding AG

Non-executive member of the board of directors · Registered shares

CHF 23’624300 × CHF 78.7509.09.2026
SaleManagement transactions

Sensirion Holding AG

Non-executive member of the board of directors · Registered shares

CHF 39’374500 × CHF 78.7509.09.2026
SaleManagement transactions

Accelleron Industries AG

Non-executive member of the board of directors · Registered shares

CHF 106’3651’370 × CHF 77.6409.09.2026
PurchaseManagement transactions

Kardex Holding AG

Non-executive member of the board of directors · Registered shares

CHF 100’073399 × CHF 250.8109.09.2026
PurchaseShareholdings

Swissquote Group Holding Ltd

BlackRock, Inc · Single shareholder

3.048%Voting rights acquired08.09.2026
Below thresholdShareholdings

Sunrise Communications AG

Swisscanto Fondsleitung AG · Single shareholder

3%Below threshold08.09.2026
PurchaseShareholdingsThreshold crossing

Medartis Holding AG

Bank of America Corporation · Single shareholder

9.88%Voting rights acquired08.09.2026
PurchaseShareholdingsThreshold crossing

Medartis Holding AG

Bank of America Corporation · Single shareholder

11.303%Voting rights acquired08.09.2026
PurchaseShareholdings

Edisun Power Europe AG

Martin Eberhard · Single shareholder

4.931%Voting rights acquired08.09.2026
PurchaseShareholdings

Edisun Power Europe AG

Michele König Erbengemeinschaft Hans Nef · Single shareholder

4.002%Voting rights acquired08.09.2026
PurchaseShareholdings

Edisun Power Europe AG

Kurt Kummer · Single shareholder

4.52%Voting rights acquired08.09.2026
PurchaseShareholdings

DSM-Firmenich AG

DSM-Firmenich AG · Single shareholder

3.003%Voting rights acquired08.09.2026

Source: SIX Exchange Regulation. Manager names are not published.