Duolingo Chief Engineering Officer Natalie Glance disposes of 4,290 common shares worth $556,044.47

• Duolingo Chief Engineering Officer Natalie Glance sold 4,290 Class A shares on Aug. 17-18.
• Sales prices ranged from $129.13 to $138.19.
• Directly held stake fell to 169,111 Class A shares.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Duolingo Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001628280-26-058021), on August 19, 2026, and is solely responsible for the information contained therein.