X0202 SCHEDULE 13G 0001121404 XXXXXXXX LIVE Common Shares, no nominal value per share ("Common Shares") 03/31/2026 0002020932 AgomAb Therapeutics NV 00860C102 POSTHOFLEI 1/6 Antwerpen C9 2600 Rule 13d-1(d) SANOFI I0 2783096 0 2783096 0 2783096 N 5.71 CO AgomAb Therapeutics NV POSTHOFLEI 1/6, ANTWERPEN, Belgium, 2600 Sanofi 46, avenue de la Grande Armee, 75017 Paris, France The Republic of France Y There is no CUSIP number assigned to the Common Shares. CUSIP number 00860C102 has been assigned to the American Depositary Shares (ADSs) of the Issuer. Each ADS represents one Common Share. Sanofi directly holds 2,708,096 Common Shares and 75,000 ADSs, representing 75,000 Common Shares. 5.71% 2,783,096 shares 0 shares 2,783,096 shares 0 shares Y N Sanofi Foreign Participations B.V. 2,783,096 shares 5.71% *The shares are held of record by Sanofi Foreign Participations B.V., the reporting person's indirect, wholly owned subsidiaries. N The response of the Reporting Person to Item 6 is incorporated herein by reference. Y Y Y SANOFI /s/ Alexandra Roger* 05/06/2025 *Alexandra Roger is signing on behalf of Sanofi by power of attorney previously filed with the Securities and Exchange Commission on February 3, 2016 as Exhibit 24 to Form 4, and hereby incorporated by reference herein.