144 0001860218 XXXXXXXX LIVE 0001858985 On Holding AG 001-40795 Forrlibuckstrasse 190 Zurich V8 8005 41-44-225-1555 Martin Hoffmann Officer Class A Ordinary Shares Goldman Sachs & Co. LLC 200 West Street New York NY 10282 25000 990500 299205569 05/27/2026 NYSE Class A Ordinary Shares 12/21/2017 Acquired from issuer in private transaction Issuer N 25000 12/21/2017 None N Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/06/2026 14061 592231 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 03/30/2026 4150 134075 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/06/2026 4150 139377 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/13/2026 4150 140911 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/20/2026 4150 151730 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/27/2026 4150 148753 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/04/2026 4150 143042 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/11/2026 4150 141372 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/13/2026 50000 1761695 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/15/2026 25000 926577 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/18/2026 4150 157166 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/21/2026 50000 1951696 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/22/2026 34701 1389291 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/26/2026 65299 2613885 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/26/2026 4150 166196 05/27/2026 Goldman Sachs & Co. LLC on behalf of Martin Hoffmann