DoubleTwist, Inc. Common Stock Certificate

Summary

This document certifies that the named individual or entity is the owner of fully paid and non-assessable shares of common stock in DoubleTwist, Inc., a Delaware corporation. The shares are transferable on the corporation's books by the owner or an authorized attorney upon proper endorsement and surrender of the certificate. The certificate is only valid when countersigned by the transfer agent and registered by the registrar. It includes instructions for transferring ownership and requires signature guarantees for assignments.

EX-4.1 5 a2027525zex-4_1.txt EXHIBIT 4.1 Exhibit 4.1 [GRAPHIC] [DOUBLETWIST LOGO] [GRAPHIC] INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE COMMON STOCK CUSIP 258627 10 8 SEE REVERSE FOR CERTAIN DEFINITIONS THIS CERITIFIES THAT IS THE OWNER OF FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK, $0.01 PAR VALUE PER SHARE, OF DOUBLETWIST, INC. transferable on the books of the Corporation in person or by duly authorized attorney upon surrender of the 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: [SIGNATURE] [CORPORATE SEAL] [SIGNATURE] SECRETARY PRESIDENT AND CHIEF EXECUTIVE OFFICER COUNTERSIGNED AND REGISTERED: COMPUTERSHARE INVESTOR SERVICES, LLC TRANSFER AGENT AND REGISTRAR, By Authorized Signature DOUBLETWIST, INC. 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 POSTAL ZIP CODE, OF ASSIGNEE - ----------------------------------------------------------------------------- - ----------------------------------------------------------------------------- - ---------------------------------------------------------------------- Shares of the Common Stock represented by the within Certificate, and do(es) 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.