0000950170-24-106478.txt : 20240913 0000950170-24-106478.hdr.sgml : 20240913 20240913171929 ACCESSION NUMBER: 0000950170-24-106478 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240912 FILED AS OF DATE: 20240913 DATE AS OF CHANGE: 20240913 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: GORDON CARL L CENTRAL INDEX KEY: 0001282930 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-42272 FILM NUMBER: 241298667 MAIL ADDRESS: STREET 1: 601 LEXINGTON AVENUE STREET 2: 54TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 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 2024-09-12 0001776111 MBX Biosciences, Inc. MBX 0001282930 GORDON CARL L C/O MBX BIOSCIENCES, INC. 11711 N. MERIDIAN STREET, SUITE 300 CARMEL IN 46032 true false true false false Stock Option (Right to Buy) 16.00 2024-09-12 4 A false 15963 0.00 A 2034-09-11 Common Stock 15963 15963 D 25% of the shares underlying this option vest and become exercisable on September 12, 2025, with the remaining 75% vesting in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date. Pursuant to an agreement with OrbiMed Advisors LLC and OrbiMed Capital GP VII LLC, the Reporting Person is obligated to transfer any securities issued under any such stock options or other awards, or the economic benefit thereof, to OrbiMed Advisors LLC and OrbiMed Capital GP VII LLC, which will in turn ensure that such securities or economic benefits are provided to OrbiMed Private Investments VII, LP. /s/ Richard Bartram, attorney-in-fact 2024-09-13