Duolingo, Inc. — Director's Dealing 2025

Mar 18, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Duolingo, Inc. (DUOL)
CIK: 0001562088
Period of Report: 2025-03-17

Reporting Person: Shelton James H (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-17	Class A Common Stock	M	20000	$22.91	Acquired	25148	Direct
2025-03-17	Class A Common Stock	S	17175	$300.6089	Disposed	7973	Direct
2025-03-17	Class A Common Stock	S	2825	$301.1142	Disposed	5148	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-17	Stock Option (Right to Buy)	$22.91	M	20000	Disposed	2030-09-23	Class A Common Stock (20000)	Direct

Footnotes

F1: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on December 9, 2024.

F2: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $300.00 to $300.98, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F3: The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $301.01 to $301.24, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F4: The shares subject to the option are fully vested and exercisable.