0001950047-23-003315.txt : 20230821 0001950047-23-003315.hdr.sgml : 20230821 20230821163854 ACCESSION NUMBER: 0001950047-23-003315 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230821 DATE AS OF CHANGE: 20230821 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: CYTOKINETICS INC CENTRAL INDEX KEY: 0001061983 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 943291317 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-50633 FILM NUMBER: 231189661 BUSINESS ADDRESS: STREET 1: 350 OYSTER POINT BOULEVARD STREET 2: . CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 BUSINESS PHONE: (650) 624-3000 MAIL ADDRESS: STREET 1: 350 OYSTER POINT BOULEVARD CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: WIERENGA WENDALL CENTRAL INDEX KEY: 0001235945 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 12790 EL CAMINO REAL STREET 2: C/O NEUROCRINE BIOSCIENCES CITY: SAN DIEGO STATE: CA ZIP: 92130 FORMER COMPANY: FORMER CONFORMED NAME: WIERENGA WENDALL D DATE OF NAME CHANGE: 20030527 144 1 primary_doc.xml 144 0001235945 XXXXXXXX LIVE 0001061983 CYTOKINETICS, INCORPORATED 000-50633 350 Oyster Point Blvd. South San Francisco CA 94080 (650) 624-3000 WENDELL WIERENGA Director Common E*TRADE FINANCIAL CORPORATION

3 EDISON DRIVE ALPHARETTA GA 30005

6020 192761.00 95997998 08/21/2023 NASDAQ COMMON 08/21/2023 Stock Option Exercise ISSUER N 6020 08/21/2023 Cash Y 08/21/2023 03/09/2023 /s/ Wendell Wierenga