Cytokinetics, Incorporated Common Stock Certificate

Summary

This document certifies that the named holder owns fully paid and nonassessable shares of common stock in Cytokinetics, Incorporated, a Delaware corporation. The certificate allows the holder to transfer ownership by proper endorsement and surrender to the transfer agent, Mellon Investor Services LLC. The certificate is only valid when countersigned and registered. It also outlines procedures for replacement if lost and provides information on stockholder rights upon request. The certificate includes standard legal language for stock transfers and ownership forms.

EX-4.1 2 f95504a3exv4w1.txt EXHIBIT 4.1 . . . EXHIBIT 4.1 COMMON STOCK COMMON STOCK NUMBER SHARES CYTK THIS CERTIFICATE IS TRANSFERABLE IN SEE REVERSE FOR CERTAIN DEFINITIONS AND NEW YORK, N.Y. AND RIDGEFIELD PARK, N.J. A STATEMENT AS TO THE RIGHTS, PREFERENCES, PRIVILEGES AND RESTRICTIONS ON TRANSFER CUSIP 23282W 10 0 (CYTOKENETICS LOGO) INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE THIS CERTIFIES THAT IS THE RECORD HOLDER OF FULLY PAID AND NONASSESSABLE SHARES OF COMMON STOCK, $.001 PAR VALUE, OF - ----------------------------------------------------- CYTOKINETICS, INCORPORATED --------------------------------------------------- transferable on the books of the Corporation by the holder hereof in person or by duly authorized attorney upon surrender of this certificate properly endorsed. This certificate is not valid until countersigned and registered by the Transfer Agent and Registrar. WITNESS the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. Dated: /s/ Robert Blum /s/ James Sabry SECRETARY PRESIDENT (CYTOKINETICS CORPORATE SEAL) COUNTERSIGNED AND REGISTERED: MELLON INVESTOR SERVICES LLC TRANSFER AGENT AND REGISTRAR BY AUTHORIZED SIGNATURE

CYTOKINETICS, INCORPORATED The Corporation will furnish without charge to each stockholder who so requests the powers, designations, preferences and relative, participating, optional, or other special rights of each class of stock or series thereof and the qualifications, limitations or restrictions of such preferences and/or rights. Such requests shall be made to the Corporation's Secretary at the principal office of the Corporation. KEEP THIS CERTIFICATE IN A SAFE PLACE, IF IT IS LOST, STOLEN, OR DESTROYED THE CORPORATION WILL REQUIRE A BOND OF INDEMNITY AS A CONDITION TO THE ISSUANCE OF A REPLACEMENT CERTIFICATE. The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM- as tenants in common TEN ENT- as tenants by the entireties JT TEN- as joint tenants with right of survivorship and not as tenants in common UNIF GIFT MIN ACT- Custodian ------------------ ------------------ (Cust) (Minor) under Uniform Gifts to Minors Act ----------------------------------------- (State) UNIF TRF MIN ACT- Custodian (until age ) ----------------- ------- (Cust) under Uniform Transfers ------------------------ (Minor) to Minors Act --------------------------------- (State) Additional abbreviations may also be used though not in the above list. FOR VALUE RECEIVED, hereby sell, assign ---------------------------------------- and transfer unto --------------------------------------------------------------- PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE - ------------------------------------ - -------------------------------------------------------------------------------- (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE) - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- Shares - ------------------------------------------------------------------------- of the common stock represented by the within Certificate, and do hereby irrevocably constitute and appoint Attorney - ----------------------------------------------------------------------- to transfer the said stock on the books of the within named Corporation with full power of substitution in the premises. Dated X ---------------------------- ------------------------------------- X ------------------------------------- NOTICE: THE SIGNATURE(S) TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME(s) AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER. Signature(s) Guaranteed By -------------------------------------- THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15.