Exhibit 4.1

 


	

    	
S H A R E S CF   COMMON STOCK COMMON STOCK SEE REVERSE FOR CERTAIN DEFINITIONS CONFORMIS, INC.   INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE CUSIP 20717E 10 1 THIS   CERTIFIES THAT IS THE RECORD HOLDER OF FULLY PAID AND NON-ASSESSABLE SHARES   OF THE COMMON STOCK, $0.00001 PAR VALUE PER SHARE, OF CONFORMIS, INC.   transferable on the books of the Corporation 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 signatures of its duly   authorized officers. Dated: PRESIDENT TREASURER SECRETARY COUNTERSIGNED AND   REGISTERED: AMERICAN STOCK TRANSFER & TRUST COMPANY, LLC (Brooklyn, NY)   TRANSFER AGENT AND REGISTRAR By: AUTHORIZED SIGNATURE 
    




 









	

    	
THE CORPORATION   WILL FURNISH WITHOUT CHARGE TO EACH STOCKHOLDER WHO SO REQUESTS, A COPY OF   THE FULL TEXT OF 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 REQUEST MAY BE MADE TO THE OFFICE OF THE   SECRETARY OF THE CORPORATION OR TO THE TRANSFER AGENT. THE BOARD OF DIRECTORS   MAY REQUIRE THE OWNER OF A LOST OR DAMAGED STOCK CERTIFICATE, OR HIS LEGAL   REPRESENTATIVES, TO GIVE THE CORPORATION A BOND TO INDEMNIFY IT AND ITS   TRANSFER AGENTS AND REGISTRARS AGAINST ANY CLAIM THAT MAY BE MADE AGAINST   THEM ON ACCOUNT OF THE ALLEGED LOSS OR DESTRUCTION OF ANY SUCH 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: UNIF GIFT MIN ACT —   ......................... Custodian ......................... TEN COM TEN ENT   JT TEN — — — as tenants in common as tenants by the entireties as joint   tenants with right of survivorship and not as tenants in common (Cust) under   Uniform Gifts to Minors (Minor) 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(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 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: 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.