0001104659-23-019835.txt : 20230213 0001104659-23-019835.hdr.sgml : 20230213 20230213170432 ACCESSION NUMBER: 0001104659-23-019835 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: Chien Jennifer CENTRAL INDEX KEY: 0001801372 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 23619686 MAIL ADDRESS: STREET 1: C/O KRYSTAL BIOTECH, INC. STREET 2: 2100 WHARTON STREET, SUITE 701 CITY: PITTSBURGH STATE: PA ZIP: 15203 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 tm236605-6_4seq1.xml OWNERSHIP DOCUMENT X0306 4 2023-02-09 0 0001649904 RHYTHM PHARMACEUTICALS, INC. RYTM 0001801372 Chien Jennifer C/O RHYTHM PHARMACEUTICALS, INC. 222 BERKELEY STREET, 12TH FLOOR BOSTON MA 02116 0 1 0 0 EVP, Head of North America Common Stock 2023-02-09 4 M 0 3438 A 4748 D Common Stock 2023-02-09 4 S 0 1192 27.66 D 3556 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 sales 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 Jennifer Chien 2023-02-13