144 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 53950 1989136.5 299205569 07/06/2026 NYSE Class A Ordinary Shares 12/21/2017 Acquired from Issuer in private transaction Issuer N 53950 12/21/2017 NA N Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/06/2026 4150 139377.14 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/13/2026 4150 140910.98 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/20/2026 4150 151729.91 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 04/27/2026 4150 148753.09 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/04/2026 4150 143041.81 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/11/2026 4150 141372.19 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/13/2026 50000 1761694.9 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/15/2026 25000 926577.4 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/18/2026 4150 157165.67 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/21/2026 50000 1951696.2 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/22/2026 34701 1389290.94 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/26/2026 65299 2613884.75 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/26/2026 4150 166196.4 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 05/27/2026 25000 1026764.3 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/01/2026 4150 166103.97 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/08/2026 4150 152514.26 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/15/2026 4150 160576.2 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/22/2026 4150 151365.29 Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005 Class A Ordinary Shares 06/29/2026 4150 149812.9 The sales of shares set forth herein are made in connection with a selling plan dated 05/30/2025 that is intended to comply with Rule 10b5-1(c). 07/06/2026 05/30/2025 Goldman Sachs & Co. LLC on behalf of Martin Hoffmann