0000950170-24-107554.txt : 20240917 0000950170-24-107554.hdr.sgml : 20240917 20240917202449 ACCESSION NUMBER: 0000950170-24-107554 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240916 FILED AS OF DATE: 20240917 DATE AS OF CHANGE: 20240917 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Behbahani Ali CENTRAL INDEX KEY: 0001613867 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-42272 FILM NUMBER: 241305935 MAIL ADDRESS: STREET 1: 2855 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MBX Biosciences, Inc. CENTRAL INDEX KEY: 0001776111 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 12406 HORESHAM STREET CITY: CARMEL STATE: IN ZIP: 46032 BUSINESS PHONE: 3179893100 MAIL ADDRESS: STREET 1: 12406 HORESHAM STREET CITY: CARMEL STATE: IN ZIP: 46032 4 1 ownership.xml 4 X0508 4 2024-09-16 0001776111 MBX Biosciences, Inc. MBX 0001613867 Behbahani Ali 2855 SAND HILL ROAD MENLO PARK CA 94025 false false true false false Common Stock 2024-09-16 4 C false 1023103 A 1023103 I See Note 2 Common Stock 2024-09-16 4 C false 2091383 A 3114486 I See Note 2 Common Stock 2024-09-16 4 P false 500000 16.00 A 3614486 I See Note 2 Series A Convertible Preferred Stock 2024-09-16 4 C false 12299854 D Common Stock 1023103 0 I See Note 2 Series B Convertible Preferred Stock 2024-09-16 4 C false 25142840 D Common Stock 2091383 0 I See Note 2 Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock (collectively, the "Preferred Stock") was convertible into Common Stock on a one-for-12.0221 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 immediately prior to the closing of the Issuer's initial public offering on September 16, 2024. The Preferred Stock had no expiration date. The Reporting Person is a manager of NEA 17 GP, LLC, which is the sole general partner of NEA Partners 17, L.P. ("NEA Partners 17"). NEA Partners 17 is the sole general partner of New Enterprise Associates 17, L.P. ("NEA 17"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by NEA 17 in which the Reporting Person has no pecuniary interest. /s/ Zachary Bambach, attorney-in-fact 2024-09-17