144 0001797818 XXXXXXXX LIVE 0001746466 Equillium, Inc. 001-38692 2223 AVENIDA DE LA PLAYA SUITE 105 LA JOLLA CA 92037 (858) 412-5302 Zedelmayer Christine Officer Common Stock Maxim Group

300 Park Ave, 16th Floor New York NY 10010

15000 18750.00 35254752 10/28/2024 Nasdaq Common Stock 06/19/2023 Grant Issuer N 15000 06/19/2023 CASH Y 10/31/2024 07/19/2024 CHRISTINE ZEDELMAYER