Form 4 for Clemens Sara filed 06/05/2026

SEC Form 4

FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person*
   Issuer Name and Ticker or Trading Symbol
   Relationship of Reporting Person(s) to Issuer
   Duolingo, Inc. [ DUOL]
   Clemens Sara
   Director
   10% Owner
   Officer (give title)
   Other (specify)
   (Last)
   (First)
   (Middle)

2. Date of Earliest Transaction (Month/Day/Year)
   06/03/2026
   C/O DUOLINGO, INC.
   5900 PENN AVENUE
   PITTSBURGH PA 15206

3. If Amendment, Date of Original Filed (Month/Day/Year)

4. Individual or Joint/Group Filing (Check Applicable Line)
   Form filed by One Reporting Person
   Form filed by More than One Reporting Person

Table I-Non-Derivative Securities Acquired, Disposed of, or Beneficial