144 0001859853 XXXXXXXX LIVE 0001858985 On Holding AG 001-40795 Forrlibuckstrasse 190 Zurich V8 8005 41-44-225-1555 David Allemann Other: Co-Founder Class A Ordinary Shares Goldman Sachs & Co. LLC 200 West Street New York NY 10282 296120 15475231.2 289296343 06/16/2025 NYSE Class A Ordinary Shares 01/12/2010 Acquired from Issuer in private transaction Issuer N 296120 01/12/2010 N/A N David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/09/2025 8076 455487 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/09/2025 8076 455496 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/09/2025 5384 303633 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/09/2025 5384 303647 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/02/2025 8076 475230 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/02/2025 8076 475212 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/02/2025 5384 316791 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/02/2025 5384 316796 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/27/2025 8076 486555 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/27/2025 8076 486526 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/27/2025 5384 324366 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/27/2025 5384 324363 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/19/2025 8076 484115 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/19/2025 5384 322746 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/19/2025 8076 484101 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/19/2025 5384 322727 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/16/2025 211054 12573239 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/12/2025 8076 411908 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/12/2025 5384 274513 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/12/2025 5384 274470 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/12/2025 8076 411766 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/05/2025 8076 396444 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/05/2025 5384 264245 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/05/2025 5384 264176 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/05/2025 8076 396573 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/29/2025 40380 1940243 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/28/2025 8076 373817 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/28/2025 5384 249216 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/28/2025 5384 249069 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/24/2025 2052 91906 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/23/2025 6355 283710 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/22/2025 5384 229712 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/21/2025 8076 330085 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/15/2025 1778 75654 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/14/2025 583 25833 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/14/2025 5384 233802 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/14/2025 8076 350600 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/09/2025 5384 243119 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/09/2025 5384 243898 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/07/2025 8076 321906 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/02/2025 5384 240376 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/31/2025 8076 347743 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/31/2025 5384 232689 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/24/2025 5384 258999 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/24/2025 8076 388665 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/24/2025 8076 390303 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/24/2025 5384 259171 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/17/2025 16152 777794 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/17/2025 5384 256622 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/17/2025 5384 256649 David Allemann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 03/17/2025 8076 385097 The sales of shares set forth herein are made in connection with a selling plan dated 6/5/2024 that is intended to comply with Rule 10b5-1(c). The representation below regarding the seller's knowledge of material information was true as of the date the selling plan was entered into. 06/16/2025 06/05/2024 Goldman Sachs & Co. LLC on behalf of David Allemann