Natalie Glance - 15 May 2025 Form 4 Insider Report for Duolingo, Inc. (DUOL)

Role: Chief Engineering Officer
Signature: /s/ Stephen Chen, as Attorney-in-Fact for Natalie Glance
Issuer symbol: DUOL
Transactions as of: 15 May 2025
Net transactions value: -$1,615,867
Form type: 4
Filing time: 16 May 2025, 16:14:22 UTC
Previous filing: 02 Apr 2025
Next filing: 19 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Glance Natalie	Chief Engineering Officer	C/O DUOLINGO, INC., 5900 PENN AVENUE, PITTSBURGH	/s/ Stephen Chen, as Attorney-in-Fact for Natalie Glance	16 May 2025	0001870350

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DUOL	Class A Common Stock	Award	$0	+8,709	+6.8%	$0.000000	135,960	15 May 2025	Direct	F1
transaction	DUOL	Class A Common Stock	Sale	$1,615,867	-3,039	-2.2%	$531.71	132,921	15 May 2025	Direct	F2
holding	DUOL	Class A Common Stock						130	15 May 2025	By son

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Constitute Restricted Stock Units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Issuer's Class A Common Stock for each RSU upon vesting. 1/16th of the RSUs shall vest on each quarterly anniversary of May 15, 2025.
F2	Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.