0001104659-24-010800.txt : 20240205 0001104659-24-010800.hdr.sgml : 20240205 20240205185536 ACCESSION NUMBER: 0001104659-24-010800 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240201 FILED AS OF DATE: 20240205 DATE AS OF CHANGE: 20240205 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Lee Jennifer Kayden CENTRAL INDEX KEY: 0001801372 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 24597455 MAIL ADDRESS: STREET 1: C/O KRYSTAL BIOTECH, INC. STREET 2: 2100 WHARTON STREET, SUITE 701 CITY: PITTSBURGH STATE: PA ZIP: 15203 FORMER NAME: FORMER CONFORMED NAME: Chien Jennifer DATE OF NAME CHANGE: 20200128 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: RHYTHM PHARMACEUTICALS, INC. CENTRAL INDEX KEY: 0001649904 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences 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 tm245251-5_4seq1.xml OWNERSHIP DOCUMENT X0508 4 2024-02-01 0 0001649904 RHYTHM PHARMACEUTICALS, INC. RYTM 0001801372 Lee Jennifer Kayden C/O RHYTHM PHARMACEUTICALS, INC. 222 BERKELEY STREET, 12TH FLOOR BOSTON MA 02116 0 1 0 0 EVP, Head of North America 0 Common Stock 2024-02-01 4 M 0 4513 A 4513 D Common Stock 2024-02-01 4 S 0 1492 45.06 D 3021 D Restricted Stock Units 2024-02-01 4 M 0 4513 0 D Common Stock 4513 13537 D Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. The sale reported in this Form 4 was effected pursuant to 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 1, 2024, February 1, 2025, February 1, 2026 and February 1, 2027. The restricted stock units have no expiration date. /s/ Hunter Smith, Attorney-in-Fact for Jennifer Kayden Lee 2024-02-05