DUOLINGO, INC.Stock Option Agreement • June 28th, 2021 • Duolingo, Inc. • Services-prepackaged software • Delaware
Pursuant to its 2011 Equity Incentive Plan, as amended from time to time (the “Plan”), Duolingo, Inc., a Delaware corporation (the “Company”), hereby grants to the person who’s name is listed below (“Optionee”), an option to purchase the number of shares of the Company’s common stock, par value $0.0001 (“Common Stock”) set forth below, subject to the terms and conditions of the Plan and this Stock Option Grant Notice and Stock Option Agreement (this “Option Agreement”). Unless otherwise defined herein, the terms defined in the Plan shall have the same defined meanings in this Option Agreement.
SECOND AMENDMENT TO OFFICE LEASE AGREEMENTOffice Lease Agreement • June 28th, 2021 • Duolingo, Inc. • Services-prepackaged software • Pennsylvania
THIS SECOND AMENDMENT TO OFFICE LEASE AGREEMENT (this “Second Amendment”) is made as of the 16th day of October, 2017, effective as of the Delivery Date (as hereinafter defined) (the “Effective Date”), by and between ALPHA 4, L.P., a Pennsylvania limited partnership, having an address at 6019 Grafton Street, Pittsburgh, Pennsylvania 15206 (“Landlord”), and DUOLINGO, INC., a Delaware corporation, having an address at 5900 Penn Avenue, Pittsburgh, Pennsylvania 15206 (“Tenant”). For the purpose of this Second Amendment, Landlord and Tenant are sometimes individually referred to as a “Party” and collectively as the “Parties”.
OFFICE LEASE AGREEMENT BETWEEN ALPHA 4, L.P. a Pennsylvania limited partnership AND DUOLINGO, INC., a Delaware corporationOffice Lease Agreement • June 28th, 2021 • Duolingo, Inc. • Services-prepackaged software • Pennsylvania
This Office Lease Agreement (this “Lease”) is made as of November 18, 2015 between ALPHA 4, L.P., a Pennsylvania limited partnership (“Landlord”) and DUOLINGO, INC., a Delaware corporation (“Tenant”), with the intent to be legally bound.
FIFTH AMENDMENT TO OFFICE LEASE AGREEMENTOffice Lease Agreement • June 28th, 2021 • Duolingo, Inc. • Services-prepackaged software • Pennsylvania
THIS FIFTH AMENDMENT TO OFFICE LEASE AGREEMENT (this “Fifth Amendment”) is made as of the 22 day of October 2018, effective as of April 15, 2019 (the “Effective Date”), by and between ALPHA 4, L.P., a Pennsylvania limited partnership, having an address at 6019 Grafton Street, Pittsburgh, Pennsylvania 15206 (“Landlord”), and DUOLINGO, INC., a Delaware corporation, having an address at 5533 Walnut Street, Pittsburgh, Pennsylvania 15232 (“Tenant”). For the purpose of this Fifth Amendment, Landlord and Tenant are sometimes individually referred to as a “Party” and collectively as the “Parties”.
THIRD AMENDMENT TO OFFICE LEASE AGREEMENTOffice Lease Agreement • June 28th, 2021 • Duolingo, Inc. • Services-prepackaged software • Pennsylvania
THIS THIRD AMENDMENT TO OFFICE LEASE AGREEMENT (this “Third Amendment”) is made as of the 31st day of December, 2017, effective as of the Delivery Date (as hereinafter defined) (the “Effective Date”), by and between ALPHA 4, L.P., a Pennsylvania limited partnership, having an address at 6019 Grafton Street, Pittsburgh, Pennsylvania 15206 (“Landlord”), and DUOLINGO, INC., a Delaware corporation, having an address at 5900 Penn Avenue, Pittsburgh, Pennsylvania 15206 (“Tenant”). For the purpose of this Third Amendment, Landlord and Tenant are sometimes individually referred to as a “Party” and collectively as the “Parties.”
AMENDMENT TO OFFICE LEASE AGREEMENTOffice Lease Agreement • June 28th, 2021 • Duolingo, Inc. • Services-prepackaged software • Pennsylvania
THIS AMENDMENT TO OFFICE LEASE AGREEMENT (this “Amendment”) is made as of the 16th day of June, 2016, effective as of the Delivery Date (as hereinafter defined) (the “Effective Date”), by and between ALPHA 4, L.P., a Pennsylvania limited partnership, having an address at 6019 Grafton Street, Pittsburgh, Pennsylvania 15206 (“Landlord”), and DUOLINGO, INC., a Delaware corporation, having an address at 5533 Walnut Street, Pittsburgh, Pennsylvania 15232 (“Tenant”). For the purpose of this Amendment, Landlord and Tenant are sometimes individually referred to as a “Party” and collectively as the “Parties”.
SIXTH AMENDMENT TO OFFICE LEASE AGREEMENTOffice Lease Agreement • June 28th, 2021 • Duolingo, Inc. • Services-prepackaged software • Pennsylvania
THIS SIXTH AMENDMENT TO OFFICE LEASE AGREEMENT (this “Sixth Amendment”) is made as of the 8th day of November, 2019, but shall be effective as of November 1, 2019 (the “Sixth Amendment Effective Date”), by and between ALPHA 4, L.P., a Pennsylvania limited partnership, having an address at 6019 Grafton Street, Pittsburgh, Pennsylvania 15206 (“Landlord”), and DUOLINGO, INC., a Delaware corporation, having an address at 5900 Penn Avenue, Pittsburgh, Pennsylvania 15206 (“Tenant”). For the purpose of this Sixth Amendment, Landlord and Tenant are sometimes individually referred to as a “Party” and collectively as the “Parties.”
FOURTH AMENDMENT TO OFFICE LEASE AGREEMENTOffice Lease Agreement • June 28th, 2021 • Duolingo, Inc. • Services-prepackaged software • Pennsylvania
THIS FOURTH AMENDMENT TO OFFICE LEASE AGREEMENT (this “Fourth Amendment”) is made as of the 10 day of August, 2018, effective as of August 1, 2018 (the “Effective Date”), by and between ALPHA 4, L.P., a Pennsylvania limited partnership, having an address at 6019 Grafton Street, Pittsburgh, Pennsylvania 15206 (“Landlord”), and DUOLINGO, INC., a Delaware corporation, having an address at 5533 Walnut Street, Pittsburgh, Pennsylvania 15232 (“Tenant”). For the purpose of this Fourth Amendment, Landlord and Tenant are sometimes individually referred to as a “Party” and collectively as the “Parties”.
DUOLINGO, INC. AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT November 6, 2020Rights Agreement • June 28th, 2021 • Duolingo, Inc. • Services-prepackaged software • New York
THIS AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT (the “Agreement”) is made as of November 6, 2020, by and among Duolingo, Inc., a Delaware corporation (the “Company”) and the investors listed on Schedule A hereto, each of which is herein referred to individually as an “Investor” and collectively as the “Investors” and Carnegie Mellon University, a Pennsylvania not-for-profit corporation (“CMU”).
