05:44 PM EST, 11/20/2025 (MT Newswires) -- Severin Hacker, 10% Owner, Director, Chief Technology Officer, Co-Founder, on November 19, 2025, sold 10,000 shares in Duolingo ( DUOL ) for $1,727,441. Following the Form 4 filing with the SEC, Hacker has control over a total of 72 Class A common shares of the company, with 72 shares held directly.

SEC Filing:

https://www.sec.gov/Archives/edgar/data/1562088/000162828025053427/xslF345X05/wk-form4_1763678302.xml