Severin Hacker's Transactions in Duolingo, Inc. Class A Common Stock

Severin Hacker, Chief Tech Officer and Co-Founder of Duolingo, Inc., reported multiple transactions involving the company's Class A Common Stock on August 5, 2025. These transactions included both acquisitions and dispositions, with prices ranging from $338.80 to $355.15 per share. The sales were executed pursuant to a Rule 10b5-1 trading plan adopted on September 11, 2024. Hacker also exercised stock options and converted Class B Common Stock to Class A Common Stock. Following these transactions, Hacker's ownership in Class A Common Stock decreased significantly, with post-transaction holdings reported as low as 72 shares. The filing highlights the detailed nature of the transactions, including weighted average sale prices and the specific ranges for each transaction.