Diadexus, Inc. Common Stock Certificate

Summary

This document certifies that the named individual or entity is the registered holder of fully paid and nonassessable shares of common stock in Diadexus, Inc., a Delaware corporation. The certificate allows the holder to transfer ownership of the shares by proper endorsement and surrender of the certificate. It is only valid when countersigned by the transfer agent and registered by the registrar. The certificate also outlines procedures for transferring shares and provides information on how to request details about the rights and preferences of the corporation's stock.

EX-4.1 4 f77891a5ex4-1.txt EXHIBIT 4.1 EXHIBIT 4.1 [DIADEXUS, INC. LOGO] NUMBER SHARES DDX INCORPORATED UNDER THE LAWS SEE REVERSE FOR CERTAIN DEFINITIONS OF THE STATE OF DELAWARE CUSIP 251915 10 4 This Certifies that is the record holder of FULLY PAID AND NONASSESSABLE SHARES OF COMMON STOCK, $.01 PAR VALUE, OF DIADEXUS, INC. 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 by the Transfer Agent and registered by the Registrar. WITNESS the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. Dated: /s/ S. Tetlow - ------------------------------------------ VICE PRESIDENT AND CHIEF FINANCIAL OFFICER /s/ P. Plewman - ------------------------------------------- PRESIDENT AND CHIEF EXECUTIVE OFFICER DIADEXUS, INC. CORPORATE SEAL APRIL 3, 2000 DELAWARE (C)S-C.B.Co. COUNTERSIGNED AND REGISTERED: MELLON INVESTOR SERVICES LLC TRANSFER AGENT AND REGISTRAR BY AUTHORIZED OFFICER (C)SECURITY-COLUMBIAN UNITED STATES BANKNOTE CORPORATION The Corporation will furnish without charge to each stockholder who so requests a statement of the powers, designations, preferences and relative, participating, optional, or other special rights of each class of stock of the Corporation 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. 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(s), assign(s) and transfer(s) 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 TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME 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.