Duolingo CEO Luis von Ahn reports sale of 28,292 common shares for $4.25 million

Duolingo President, CEO, co-founder Luis von Ahn sold 28,292 Class A shares on Sept. 16, 2026 at about $150.22-$151.54. He acquired 28,292 Class A shares the same day via conversions priced at $14.42 and $38.08. He ended the day with 0 Class A shares directly owned. * He reported 3,368,120 Class B shares beneficially owned following the transactions. 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: 0001628280-26-062790), on September 18, 2026, and is solely responsible for the information contained therein. (C)