144 0002111576 XXXXXXXX LIVE 0001683825 trivago N.V. 001-37959 KESSELSTRASSE 5 - 7 DUSSELDORF 2M 40221 4921154065110 Breidenbach Joana Carena Director NON EXECUTIVE DIRECTOR ADS WHERE ONE ADS REPRESENTS 5 CLASS A SHARES CITIGROUP GLOBAL MARKETS

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37000 212380.00 353098379 08/07/2026 NASDAQ ADS WHERE ONE ADS REPRESENTS 5 CLASS A COMMON SHARES 08/07/2026 STOCK OPTION EXERCISE AND SALE TRIVAGO NV N 37000 08/07/2026 CASH Y SHARES SOLD ARE PURSUANT TO AN EXERCISE AND SALE INTENDING TO TAKE PLACE AUGUST 2026. SECTION 3E SHARES OR OTHER UNITS OUTSTANDING BASED ON CLASS A AND B COMMON STOCK FILED WITH 20F FEBRUARY 2026. NOTE ONE ADS REPRESENTS 5 CLASS A COMMON SHARES 08/07/2026 CONFORMED SIGNATURE ON FILE