X0609 4 2025-09-11 0 0001844417 Estrella Immunopharma, Inc. ESLA 0001920399 Xu Jiandong false C/O ESTRELLA IMMUNOPHARMA, INC. 5858 HORTON STREET, SUITE 370 EMERYVILLE CA 94608 0 1 0 0 Chief Financial Officer 0 Common Stock, par value $0.0001 per share 2025-09-11 4 P 0 100 1.04 A 264588 D Common Stock, par value $0.0001 per share 2025-09-22 4 P 0 1000 1.16 A 16700 I By Spouse Common Stock, par value $0.0001 per share 2025-10-07 4 P 0 1000 1.33 A 265488 D Held by the Reporting Person's spouse. The Reporting Person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. /s/ Jiandong Xu 2026-04-29