X0708 D LIVE 0001797256 BigHat Biosciences, Inc. 1900 ALAMEDA DE LAS PULGAS SUITE 400 SAN MATEO CA CALIFORNIA 94403 857-928-5232 DELAWARE None None Corporation true Peyton Greenside c/o BigHat Biosciences, Inc. 1900 Alameda de las Pulgas, Suite 400 San Mateo CA CALIFORNIA 94403 Executive Officer Director Vineeta Agarwala c/o BigHat Biosciences, Inc. 1900 Alameda de las Pulgas, Suite 400 San Mateo CA CALIFORNIA 94403 Director Robert Chess c/o BigHat Biosciences, Inc. 1900 Alameda de las Pulgas, Suite 400 San Mateo CA CALIFORNIA 94403 Director Francisco Gimenez c/o BigHat Biosciences, Inc. 1900 Alameda de las Pulgas, Suite 400 San Mateo CA CALIFORNIA 94403 Director Andrew Conrad c/o BigHat Biosciences, Inc. 1900 Alameda de las Pulgas, Suite 400 San Mateo CA CALIFORNIA 94403 Director Biotechnology Decline to Disclose 06b false 2026-07-17 false true false 0 79999947 75141086 4858861 Series C Preferred Stock and the Common Stock issuable upon conversion thereof. false 29 0 0 0 false BigHat Biosciences, Inc. /s/ Peyton Greenside Peyton Greenside Chief Executive Officer 2026-10-26