0001104659-23-019828.txt : 20230213 0001104659-23-019828.hdr.sgml : 20230213 20230213170320 ACCESSION NUMBER: 0001104659-23-019828 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230209 FILED AS OF DATE: 20230213 DATE AS OF CHANGE: 20230213 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mazabraud Yann CENTRAL INDEX KEY: 0001774702 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 23619650 MAIL ADDRESS: STREET 1: C/O TREVI THERAPEUTICS, INC. STREET 2: 195 CHURCH STREET, FLOOR 14 CITY: NEW HAVEN STATE: CT ZIP: 06510 ISSUER: 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 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 4 1 tm236605-4_4seq1.xml OWNERSHIP DOCUMENT X0306 4 2023-02-09 0 0001649904 RHYTHM PHARMACEUTICALS, INC. RYTM 0001774702 Mazabraud Yann C/O RHYTHM PHARMACEUTICALS, INC. 222 BERKELEY STREET, 12TH FLOOR BOSTON MA 02116 0 1 0 0 EVP, Head of International Common Stock 2023-02-09 4 M 0 3438 A 4536 D Common Stock 2023-02-09 4 S 0 1548 27.66 D 2988 D Restricted Stock Units 2023-02-09 4 M 0 3438 0 D Common Stock 3438 10312 D Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 instruction solely with the intent to cover withholding taxes in connection with the vesting of certain previously reported restricted stock units. The restricted stock units vest or have vested as to 25% of the total shares on each of February 9, 2023, February 9, 2024, February 9, 2025 and February 9, 2026. The restricted stock units have no expiration date. /s/ Hunter Smith, Attorney-in-Fact for Yann Mazabraud 2023-02-13