0002118358-26-000001.txt : 20260311 0002118358-26-000001.hdr.sgml : 20260311 20260311145046 ACCESSION NUMBER: 0002118358-26-000001 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: 20260311 DATE AS OF CHANGE: 20260311 EFFECTIVENESS DATE: 20260311 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Halcyon Carbon, Inc. CENTRAL INDEX KEY: 0002118358 ORGANIZATION NAME: EIN: 923979585 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-576173 FILM NUMBER: 26742872 BUSINESS ADDRESS: STREET 1: 755 SANSOME ST CITY: SAN FRANCISCO STATE: CA ZIP: 94111 BUSINESS PHONE: 650-392-4367 MAIL ADDRESS: STREET 1: 755 SANSOME ST CITY: SAN FRANCISCO STATE: CA ZIP: 94111 D 1 primary_doc.xml X0708 D LIVE 0002118358 Halcyon Carbon, Inc. 755 SANSOME ST SAN FRANCISCO CA CALIFORNIA 94111 650-392-4367 DELAWARE None None Corporation true 2023 Bruce Falck 755 SANSOME ST San Francisco CA CALIFORNIA 94111 Executive Officer Director Promoter Tanuj Dutta 755 SANSOME ST San Francisco CA CALIFORNIA 94111 Director Nathaniel Bullard 755 SANSOME ST San Francisco CA CALIFORNIA 94111 Director Tyler Lancaster 755 SANSOME ST San Francisco CA CALIFORNIA 94111 Director Other Technology Decline to Disclose 06b false 2026-02-24 false true false 1 21027237 21027237 0 false 14 0 0 0 false Halcyon Carbon, Inc. Bruce Falck Bruce Falck Chief Executive Officer 2026-03-11