Document

Shelton James H

Name and Address of Reporting Person* Issuer Name and Ticker or Trading Symbol Relationship of Reporting Person(s) to Issuer (Check all applicable)
C/O DUOLINGO, INC.
5900 PENN AVENUE
PITTSBURGH PA 15206
Duolingo, Inc. [ DUOL ] X Director 10% Owner
Officer (give title below) Other (specify below)
Date of Earliest Transaction (Month/Day/Year)
2026-06-03
Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person

nonderivative securities

Non-Derivative Securities
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security 2. Transaction Date
(Month/Day/Year)
2A. Deemed Execution Date, if any
(Month/Day/Year)
3. Transaction Code 4. Securities Acquired (A) or Disposed Of (D) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) 6. Ownership Form: Direct (D) or Indirect (I) 7. Nature of Indirect Beneficial Ownership
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Class A Common Stock 06/03/2026 A 2,001 (1) A 0 11633 D

derivative securities

Derivative Securities
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date
(Month/Day/Year)
3A. Deemed Execution Date, if any
(Month/Day/Year)
4. Transaction Code 5. Number of Derivative Securities Acquired (A) or Disposed of (D) 6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Securities Underlying Derivative Security 8. Price of Derivative Security 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) 10. Ownership Form: Direct (D) or Indirect (I)
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