0001844417 1 2025-12-21 2025-12-21 0001844417 2 2025-12-21 2025-12-21 0001844417 2025-12-21 2025-12-21 iso4217:USD pure shares S-1/A EX-FILING FEES 0001844417 333-292331 N/A N/A S-1 Estrella Immunopharma, Inc. false Equity Common stock, $0.0001 par value per share true 6694935 1.0225 6845571.04 0.0001381 945.37 true Equity Common stock, $0.0001 par value per share true 2541206 1.6750 4256520.05 0.0001381 587.83 11102091.09 1533.20 587.83 0.00 945.37 This Amendment No. 1 registers an additional 6,694,935 shares of common stock for resale by the selling stockholders. The proposed maximum offering price per share is estimated solely for the purpose of calculating the registration fee pursuant to Rules 457(a) and 457(c) under the Securities Act and is based on the average of the high and low prices of the registrant's common stock as reported on January 15, 2026. The registrant previously paid a filing fee of $ 587.83 in connection with the initial filing of this Registration Statement on December 22, 2025. The proposed maximum offering price per share was estimated solely for the purpose of calculating the registration fee pursuant to Rules 457(a) and 457(c) under the Securities Act and was based on the average of the high and low prices of the registrant's common stock as reported on December 19, 2025. The filing fee previously paid is credited against the total filing fee due for the Registration Statement in accordance with Rule 457(b) under the Securities Act.