144 0001859787 XXXXXXXX LIVE 0001858985 On Holding AG 001-40795 FORRLIBUCKSTRASSE 190 8005 ZURICH V8 00000 41 44 225 15 55 Maurer Marc Officer Class A Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

120000 5488815.81 284215277 09/04/2024 NYSE Class A 09/04/2024 Option Granted 11/29/2021 Issuer N 120000 09/04/2024 Cash N Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 06/10/2024 5282 226131.00 Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 06/17/2024 5282 219613.00 Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 06/24/2024 5282 206603.00 Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 07/01/2024 5282 201419.00 Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 07/08/2024 5282 198959.00 Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 07/15/2024 5282 196772.00 Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 07/22/2024 5282 211438.00 Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 07/29/2024 5282 211181.00 Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 08/05/2024 5282 196896.00 Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 08/12/2024 5282 212590.00 Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 08/19/2024 5282 223877.00 Marc Maurer

Forrlibuckstrasse 190 Zurich V8 8005

Class A 08/26/2024 71692 3195312.44 09/04/2024 /s/ Emily Navaro, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Marc Maurer.