0001946264-26-000003.txt : 20261030 0001946264-26-000003.hdr.sgml : 20261030 20261030095158 ACCESSION NUMBER: 0001946264-26-000003 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: 20261030 DATE AS OF CHANGE: 20261030 EFFECTIVENESS DATE: 20261030 FILER: COMPANY DATA: COMPANY CONFORMED NAME: 511 Therapeutics, Inc. CENTRAL INDEX KEY: 0001946264 ORGANIZATION NAME: EIN: 883677111 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-603062 FILM NUMBER: 261504822 BUSINESS ADDRESS: STREET 1: 1770 MASSACHUSETTS AVENUE STREET 2: #511 CITY: CAMBRIDGE STATE: MA ZIP: 02140 BUSINESS PHONE: (617) 818-7126 MAIL ADDRESS: STREET 1: 1770 MASSACHUSETTS AVENUE STREET 2: #511 CITY: CAMBRIDGE STATE: MA ZIP: 02140 D 1 primary_doc.xml X0708 D LIVE 0001946264 511 Therapeutics, Inc. 1770 MASSACHUSETTS AVENUE #511 CAMBRIDGE MA MASSACHUSETTS 02140 (617) 818-7126 DELAWARE None None Corporation true 2022 Shuguang Zhang 1770 MASSACHUSETTS AVENUE #511 CAMBRIDGE MA MASSACHUSETTS 02140 Executive Officer Director Yancen Lu 1770 MASSACHUSETTS AVENUE #511 CAMBRIDGE MA MASSACHUSETTS 02140 Director Uwe B. Sleytr 1770 MASSACHUSETTS AVENUE #511 CAMBRIDGE MA MASSACHUSETTS 02140 Director Andrew Marshall 1770 MASSACHUSETTS AVENUE #511 CAMBRIDGE MA MASSACHUSETTS 02140 Executive Officer Director Biotechnology Decline to Disclose 06b false 2026-10-21 false true false 0 1000000 500000 500000 false 1 0 0 0 false 511 Therapeutics, Inc. /s/ Andrew Marshall Andrew Marshall Chief Executive Officer 2026-10-30