0001978699-24-000001.txt : 20240513 0001978699-24-000001.hdr.sgml : 20240513 20240513115654 ACCESSION NUMBER: 0001978699-24-000001 CONFORMED SUBMISSION TYPE: D/A PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: 06b ITEM INFORMATION: Investment Company Act Section 3(c) ITEM INFORMATION: Section 3(c)(5) FILED AS OF DATE: 20240513 DATE AS OF CHANGE: 20240513 EFFECTIVENESS DATE: 20240513 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Alterra IOS Venture III Master, LP CENTRAL INDEX KEY: 0001978699 ORGANIZATION NAME: IRS NUMBER: 923410886 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D/A SEC ACT: 1933 Act SEC FILE NUMBER: 021-482836 FILM NUMBER: 24937733 BUSINESS ADDRESS: STREET 1: 720 FAYETTE STREET, SUITE 700 CITY: CONSHOHOCKEN STATE: PA ZIP: 19428 BUSINESS PHONE: 215-667-6830 MAIL ADDRESS: STREET 1: 720 FAYETTE STREET, SUITE 700 CITY: CONSHOHOCKEN STATE: PA ZIP: 19428 D/A 1 primary_doc.xml X0708 D/A LIVE 0001978699 Alterra IOS Venture III Master, LP 2 Town Place, Suite 220 Bryn Mawr PA PENNSYLVANIA 19010 215-667-6830 DELAWARE None None Limited Partnership true 2023 LLC Alterra IOS III Master Holdco, 2 Town Place, Suite 220 Bryn Mawr PA PENNSYLVANIA 19010 Executive Officer Issuer's General Partner Leonidas Addimando 2 Town Place, Suite 220 Bryn Mawr PA PENNSYLVANIA 19010 Executive Officer Managing Partner and CEO of Issuer's General Partner Matthew Pfeiffer 2 Town Place, Suite 220 Bryn Mawr PA PENNSYLVANIA 19010 Executive Officer Managing Partner and CIO of Issuer's General Partner Jeffrey Pustizzi 2 Town Place, Suite 220 Bryn Mawr PA PENNSYLVANIA 19010 Executive Officer Partner and General Counsel of Issuer's General Partner Commercial Decline to Disclose 06b 3C 3C.5 true 0001978699-23-000001 2023-05-19 false true false 4375 Park Madison Partners LLC 140016 None None 200 HARBOR RD. PORT WASHINGTON NY NEW YORK 11050 PA PENNSYLVANIA IL ILLINOIS TX TEXAS NC NORTH CAROLINA AZ ARIZONA OH OHIO NY NEW YORK OK OKLAHOMA CA CALIFORNIA DC DISTRICT OF COLUMBIA false 925000000 7919726 917080274 The total offering amount is jointly offered by the Issuer and Alterra IOS Venture III, LP. The total amount sold is only for the Issuer named herein. true 2 21 0 0 There are no sales commissions or finders' fees expenses in connection with the offering. 0 The management company, an affiliate of the general partner of the Issuer, is entitled to a management fee, which is discussed in the Issuer's Confidential Private Placement Memorandum. false Alterra IOS Venture III Master, LP /s/Jeffrey Pustizzi Jeffrey Pustizzi Partner and General Counsel of Issuer's General Partner 2024-05-13