EX-4.2
from S-1
2 pages
D E L Aw a R E Seal Duolingo, Inc. Corporate August 18, 2011 Dla Fully Paid and Nonassessable Shares of Class a Common Stock, $0.0001 Par Value Per Share, of Duolingo, 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: This Certifies That Is the Record Holder of Incorporated Under the Laws of the State of Delaware C O U N Te R S Ig N E D a N D R E G Is Te R E D : A M Er Ic a N Sto C K Tr a N Sfer & Tr U St C O M Pa N Y, LLC (B R O O K Ly N , N Y ) Tr a N S Fe R a G E N T a N D R E G Is Tr a R B Y: A U Th O R Ize D S Ig N Atu R E Chief Executive Officer Secretary Cusip 26603r 10 6 See Reverse for Certain Definitions and Legends Slide2
12/34/56
