0001950047-23-004945.txt : 20231114 0001950047-23-004945.hdr.sgml : 20231114 20231114161548 ACCESSION NUMBER: 0001950047-23-004945 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231114 DATE AS OF CHANGE: 20231114 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: RHYTHM PHARMACEUTICALS, INC. CENTRAL INDEX KEY: 0001649904 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 462159271 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 231406485 BUSINESS ADDRESS: STREET 1: 222 BERKELEY STREET STREET 2: 12TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 857-264-4280 MAIL ADDRESS: STREET 1: 222 BERKELEY STREET STREET 2: 12TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 FORMER COMPANY: FORMER CONFORMED NAME: RHYTHM METABOLIC, INC. DATE OF NAME CHANGE: 20150803 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Smith Hunter C CENTRAL INDEX KEY: 0001636385 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O GENESEE & WYOMING INC. STREET 2: 20 WEST AVENUE CITY: DARIEN STATE: CT ZIP: 06820 144 1 primary_doc.xml 144 0001636385 XXXXXXXX LIVE 0001649904 RHYTHM PHARMACEUTICALS INC 001-38223 222 Berkeley Street BOSTON MA 02116 8572644293 HUNTER SMITH Officer COMMON Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 38th Fl. New York NY 10004

12000 343680.00 59096454 11/14/2023 NASDAQ Common 11/14/2023 Exercise of Stock Options Issuer N 12000 11/14/2023 Cash Y 11/14/2023 12/13/2022 /s/ Hunter Smith