144 0001875786 XXXXXXXX LIVE 0001851194 Ventyx Biosciences, Inc. 001-40928 12790 EL CAMINO REAL, SUITE 200 SAN DIEGO CA 92130 (858) 945-2393 Auster Martin Officer Common Stock E-TRADE FINANCIAL CORPORATION

3 EDISON DRIVE ALPHARETTA GA 30005

1405 7591.87 59252349 04/02/2024 NASDAQ Common Stock 03/28/2024 Restricted Stock Units Issuer N 4531 03/28/2024 N/A Y SHARES TO BE SOLD TO COVER WITHHOLDING TAXES UPON VESTING OF RESTRICTED STOCK UNIT AWARDS 04/02/2024 /s/ Martin Auster