X0708 D LIVE 0002114425 Haku Bio, Inc. 74 NEWPORT ST ARLINGTON MA MASSACHUSETTS 02476 2066792836 DELAWARE None None Corporation true 2026 Sandy Mong 74 Newport St. Arlington MA MASSACHUSETTS 02476 Executive Officer Director Bill Lundberg 19 Terrace Ave. Newton MA MASSACHUSETTS 02461 Director Biotechnology No Revenues 06b false 2026-05-22 false true Simple Agreement for Future Equity (SAFE) false 100000 2500000 1299000 1201000 false 5 0 0 0 false Haku Bio, Inc. Sandy Mong Sandy Mong, MD CEO 2026-06-10