EX-4.1
from S-1/A
1 page
Delaware Seal Neos Therapeutics, Inc. Corporate June 15, 2009 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 Neos Therapeutics, 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 & Chief Executive Officer Secretary Cusip 64052l 10 6 See Reverse for Certain Definitions Countersigned and Registered: American Stock Transfer & Trust Company, LLC (Brooklyn, Ny) Transfer Agent and Registrar By: Authorized Signature Nt
12/34/56