0001995876-23-000001.txt : 20231102 0001995876-23-000001.hdr.sgml : 20231102 20231102150442 ACCESSION NUMBER: 0001995876-23-000001 CONFORMED SUBMISSION TYPE: D PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: 06b ITEM INFORMATION: Investment Company Act Section 3(c) ITEM INFORMATION: Section 3(c)(7) FILED AS OF DATE: 20231102 DATE AS OF CHANGE: 20231102 EFFECTIVENESS DATE: 20231102 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MPM OSI CO-INVESTORS, L.P. CENTRAL INDEX KEY: 0001995876 IRS NUMBER: 933675336 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-496358 FILM NUMBER: 231371689 BUSINESS ADDRESS: STREET 1: 1601 DODGE STREET, SUITE 3800 CITY: OMAHA STATE: NE ZIP: 68102 BUSINESS PHONE: (402) 932-8600 MAIL ADDRESS: STREET 1: 1601 DODGE STREET, SUITE 3800 CITY: OMAHA STATE: NE ZIP: 68102 D 1 primary_doc.xml X0708 D LIVE 0001995876 MPM OSI CO-INVESTORS, L.P. 1601 DODGE STREET, SUITE 3800 OMAHA NE NEBRASKA 68102 (402) 932-8600 DELAWARE None None Limited Partnership true 2023 PATRICK J. DUFFY 1601 DODGE STREET, SUITE 3800 OMAHA NE NEBRASKA 68102 Executive Officer Promoter ROBERT Y. EMMERT 1601 DODGE STREET, SUITE 3800 OMAHA NE NEBRASKA 68102 Executive Officer Promoter PHILLIP N. DUDLEY 1601 DODGE STREET, SUITE 3800 OMAHA NE NEBRASKA 68102 Executive Officer Promoter CHASE M. MEYER 1601 DODGE STREET, SUITE 3800 OMAHA NE NEBRASKA 68102 Executive Officer Promoter Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.7 false true false true true false 0 60000000 0 60000000 The general partner of the Issuer reserves the right to offer a greater or lesser amount of limited partner interests. false 0 0 0 0 true The general partner is entitled to a performance allocation. The investment manager is entitled to a management fee. The performance allocation and management fee are fully discussed in the Issuer's confidential offering materials. false MPM OSI CO-INVESTORS, L.P. /S/ JONATHAN WEGNER JONATHAN WEGNER GENERAL COUNSEL OF THE GP OF THE ISSUER 2023-11-02