0002057359-26-000001.txt : 20260623 0002057359-26-000001.hdr.sgml : 20260623 20260623153337 ACCESSION NUMBER: 0002057359-26-000001 CONFORMED SUBMISSION TYPE: D PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: Rule 506(b) provides a "safer harbor" for a private offering FILED AS OF DATE: 20260623 DATE AS OF CHANGE: 20260623 EFFECTIVENESS DATE: 20260623 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Spearhead Bio, Inc. CENTRAL INDEX KEY: 0002057359 ORGANIZATION NAME: EIN: 995011262 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-588296 FILM NUMBER: 261110845 BUSINESS ADDRESS: STREET 1: 975 N WARSON ROAD CITY: SAINT LOUIS STATE: MO ZIP: 63132 BUSINESS PHONE: 314-622-6674 MAIL ADDRESS: STREET 1: 975 N WARSON ROAD CITY: SAINT LOUIS STATE: MO ZIP: 63132 D 1 primary_doc.xml X0708 D LIVE 0002057359 Spearhead Bio, Inc. 975 N WARSON ROAD SAINT LOUIS MO MISSOURI 63132 314-622-6674 DELAWARE Arrowhead Bio, Inc. None Corporation true 2024 Michael Bielski 975 N. Warson Road St. Louis MO MISSOURI 63132 Executive Officer Director Keith Slotkin 975 N. Warson Road St. Louis MO MISSOURI 63132 Executive Officer Director Harold Davies 975 N. Warson Road St. Louis MO MISSOURI 63132 Executive Officer Director Thomas Laurita 975 N. Warson Road St. Louis MO MISSOURI 63132 Director Other Technology Decline to Disclose 06b false 2026-06-18 false true true false 0 1750000 1200000 550000 false 4 0 0 0 false Spearhead Bio, Inc. /s/ Michael Bielski Michael Bielski CEO 2026-06-23