0002138049-26-000001.txt : 20260611 0002138049-26-000001.hdr.sgml : 20260611 20260611171720 ACCESSION NUMBER: 0002138049-26-000001 CONFORMED SUBMISSION TYPE: D PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: Rule 506(b) provides a "safer harbor" for a private offering ITEM INFORMATION: Investment Company Act Section 3(c) ITEM INFORMATION: Section 3(c)(7) FILED AS OF DATE: 20260611 DATE AS OF CHANGE: 20260611 EFFECTIVENESS DATE: 20260611 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Overlook X1 LP Series B1B CENTRAL INDEX KEY: 0002138049 ORGANIZATION NAME: EIN: 414637724 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-587098 FILM NUMBER: 261084136 BUSINESS ADDRESS: STREET 1: 445 HAMILTON AVENUE STREET 2: SUITE 1500 CITY: WHITE PLAINS STATE: NY ZIP: 10601 BUSINESS PHONE: 732-484-0972 MAIL ADDRESS: STREET 1: 445 HAMILTON AVENUE STREET 2: SUITE 1500 CITY: WHITE PLAINS STATE: NY ZIP: 10601 D 1 primary_doc.xml X0708 D LIVE 0002138049 Overlook X1 LP Series B1B 445 HAMILTON AVENUE SUITE 1500 WHITE PLAINS NY NEW YORK 10601 732-484-0972 DELAWARE None None Limited Partnership true 2026 David Samuel Mann 445 Hamilton Avenue Suite 1500 White Plains NY NEW YORK 10601 Executive Officer N/A Mannsion Group LLC 445 HAMILTON AVENUE 445 HAMILTON AVENUE WHITE PLAINS NY NEW YORK 10601 Promoter Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.7 false 2026-05-15 false true false 100000 27000000 27000000 0 false 8 0 0 0 false Overlook X1 LP Series B1B David Mann David Mann Managing Member of the Investment Manager 2026-06-11