Form 4 for Bohutinsky AMY filed 07/14/2026

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden hours per response: 0.5

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person*Bohutinsky Amy.
(Last) (First) (Middle)C/O DUOLINGO, INC.5900 PENN AVENUE
(Street)PITTSBURGH PA 15206(City) (State) (Zip)
2. Issuer Name and Ticker or Trading SymbolDuolingo, Inc. [DUOL]
3. Date of Earliest Transaction (Month/Day/Year)07/10/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
5. Relationship of Reporting Person(s) to Issuer(Check all applicable)Director 10% OwnerOfficer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)Form filed by One Reporting PersonForm filed by More than One Reporting Person
  1. Represents an award of fully vested restricted stock units ("RSUs") in lieu of cash retainers pursuant to reporting person's election under the Issuer's Amended and Restated Non-Employee Director Compensation Program (the "Plan"). Each RSU represents the right to receive one share of the Issuer's Class A Common Stock and will be settled either on a date selected by the reporting person pursuant to the Plan or as otherwise provided under the Plan.

/s/ Stephen Chen, as Attorney-in-Fact for Amy Bohutinsky

07/14/2026

Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.