SCHEDULE 13G/A 0001193125-22-034608 0001910612 XXXXXXXX LIVE 1 Class A Ordinary Shares 06/30/2025 0001836470 Sportradar Group AG H8088L103 Feldlistrasse 2 St. Gallen V8 CH-9000 Rule 13d-1(d) Carsten Koerl 2M 80207953.00 0.00 80207953.00 0.00 80207953.00 N 27.1 IN Sportradar Group AG Feldlistrasse 2, CH-9000 St. Gallen, Switzerland This statement is filed on behalf of Carsten Koerl (the "Reporting Person"). The business address of the Reporting Person is c/o Sportradar, Feldlistrasse 2, CH-9000 St. Gallen, Switzerland. The Reporting Person is a citizen of Germany. Y The Reporting Person is the beneficial owner of 80,207,953 Class A Ordinary Shares, which consists of (i) 1,840,883 Class A Ordinary Shares held of record by the Reporting Person and (ii) 78,367,070 Class A Ordinary Shares underlying Class B ordinary shares of the Issuer ("Class B Ordinary Shares") held of record by the Reporting Person. On April 25, 2025, the Issuer and certain selling shareholders, including the Reporting Person, closed an underwritten secondary public offering of an aggregate of 23,000,000 Class A Ordinary Shares at a price to the public of $22.50 per share (the "Secondary Offering"). In connection with the Secondary Offering, the Reporting Person converted 120,000,000 Class B Ordinary Shares into 12,000,000 Class A Ordinary Shares, and sold 10,190,316 Class A Ordinary Shares to the underwriters. This Amendment No. 1 to Schedule 13G relates to the Reporting Person's change in beneficial ownership relating to the Secondary Offering. 27.1%. The ownership information presented herein represents beneficial ownership of Class A Ordinary Shares of the Issuer as of June 30, 2025, based upon 221,390,294 Class A Ordinary Shares outstanding as of July 17, 2025 (but excluding treasury shares). 80,207,953 0 80,207,953 0 Y Y Y Y Y Y Carsten Koerl /s/ Carsten Koerl 07/18/2025