0002068848-26-000001.txt : 20260615 0002068848-26-000001.hdr.sgml : 20260615 20260615133337 ACCESSION NUMBER: 0002068848-26-000001 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: 20260615 DATE AS OF CHANGE: 20260615 EFFECTIVENESS DATE: 20260615 FILER: COMPANY DATA: COMPANY CONFORMED NAME: X1 Biotech Inc. CENTRAL INDEX KEY: 0002068848 ORGANIZATION NAME: EIN: 863766185 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-587359 FILM NUMBER: 261090121 BUSINESS ADDRESS: STREET 1: 935 GREAT PLAIN AVENUE STREET 2: #140 CITY: NEEDHAM STATE: MA ZIP: 02492 BUSINESS PHONE: 617-834-4833 MAIL ADDRESS: STREET 1: 935 GREAT PLAIN AVENUE STREET 2: #140 CITY: NEEDHAM STATE: MA ZIP: 02492 D 1 primary_doc.xml X0708 D LIVE 0002068848 X1 Biotech Inc. 935 GREAT PLAIN AVENUE #140 NEEDHAM MA MASSACHUSETTS 02492 617-834-4833 DELAWARE None None Corporation true Leo Kim 935 Great Plain Avenue Needham MA MASSACHUSETTS 02492 Director Dean Eliott 935 Great Plain Avenue Needham MA MASSACHUSETTS 02492 Director Joseph Arboleda-Velasquez 935 Great Plain Avenue Needham MA MASSACHUSETTS 02492 Director Neal Chen 935 Great Plain Avenue Needham MA MASSACHUSETTS 02492 Director Lawrence Kaufman 935 Great Plain Avenue Needham MA MASSACHUSETTS 02492 Executive Officer Michael Aceti 935 Great Plain Avenue Needham MA MASSACHUSETTS 02492 Executive Officer Other Technology Decline to Disclose 06b false 2026-05-20 false true true false 0 2000000 40000 1960000 false 2 0 0 0 false X1 Biotech Inc. /s/ Lawrence Kaufman Lawrence Kaufman President and CEO 2026-06-12