Exhibit 4.1

 


	

    	
 D E L A W ARE SEAL ARCADIA BIOSCIENCES, INC.   CORPORATE FEBRUARY 17, 2015 This certifies that is the record holder of Fully   paid and nonassessable shares oF Common sToCk par value $0.001 par value per   share, oF ArcAdiA Biosciences, 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 seal of the Corporation and the facsimile signatures of its   duly authorized officers. Dated: InCoRpoRATed undeR The lAws of The sTATe of   delAwARe president secretary CUSIP 039014 10 5 SEE REVERSE FOR CERTAIN   DEFINITIONS CounTeRsIgned And RegIsTeRed: ameriCan sToCk TransFer & TrusT   Company, llC (new YoRk, nY) TRAnsfeR AgenT And RegIsTRAR By: AuThoRIzed   sIgnATuRe AB 
    




 









	

    	
The Corporation   shall 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. KEEP THIS CERTIFICATE IN A SAFE   PLACE. IF IT IS LOST, STOLEN,OR DESTROYED THE CORPORATION WILL REQUIRE A BOND   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: Additional abbreviations may   also be used though not in the above list. 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 COM PROP – as community property   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) FOR VALUE RECEIVED,   _____________________________________________________ hereby sell(s),   assign(s) and transfer(s) unto PLEASE INSERT SOCIAL SECURITY OR OTHER   IDENTIFYING NUMBER OF ASSIGNEE shares of the capital stock represented by   within Certificate, and do hereby irrevocably constitute and appoint   attorney-in-fact to transfer the said stock on the books of the within named   Corporation with full power of the substitution in the premises. Dated   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 WHATSOEVER. By THE SIGNATURE(S)   SHOULD 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. GUARANTEES BY A NOTARY PUBLIC ARE NOT ACCEPTABLE. SIGNATURE   GUARANTEES MUST NOT BE DATED. Signature(s) Guaranteed: (PLEASE PRINT OR   TYPEWRITE NAME AND ADDRESS, INCLUDING zIP CODE, OF ASSIGNEE) X X