144/A 0001958244-26-000179 0001860218 XXXXXXXX LIVE 0001858985 On Holding AG 001-40795 Forrlibuckstrasse 190 Zurich V8 8005 41-44-225-1555 Martin Hoffman Officer Class A Ordinary Shares Goldman Sachs & Co. LLC 200 West Street New York NY 10282 58100 1986439 296873353 03/30/2026 NYSE Class A Ordinary Shares 12/21/2017 Acquired from Issuer in private transaction Issuer N 58100 12/21/2017 NA N Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/05/2026 4150 203795 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/12/2026 4150 203055 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/20/2026 4150 187012 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 01/26/2026 4150 191904 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/02/2026 4150 188901 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/09/2026 4150 184032 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/17/2026 4150 191450 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 02/23/2026 4150 197228 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/02/2026 4150 192243 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/09/2026 4150 166037 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/16/2026 4150 161485 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/23/2026 4150 165129 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/06/2026 14061 592231.04 Amendment to the filing submitted on 3/30/2026 in order to amend Table II. 04/20/2026 05/30/2025 Goldman Sachs & Co. LLC on behalf of Martin Hoffmann