Duolingo GC Chen sells 8,072 shares for ~$1.2M under 10b5-1 plan

Duolingo GC sells 1,024 shares ($132K) to cover RSU tax

Chen Stephen C. bought 58 shares of Class A Common Stock at $14.42 on 2026-06-17; Chen Stephen C. sold 58 shares of Stock Option (Right to Buy) at $N/A on 2026-06-17

Chen Stephen C. bought 24,411 shares of Class A Common Stock at $112.06 on 2026-05-15; Chen Stephen C. sold 820 shares of Class A Common Stock at $112.16 on 2026-05-15; Chen Stephen C. sold 1,277 shares of Class A Common Stock at $113.27 on 2026-05-18; Chen Stephen C. sold 700 shares of Class A Common Stock at $114.22 on 2026-05-18

Chen Stephen C. bought 648 shares of Class A Common Stock at $14.42 on 2026-05-12; Chen Stephen C. sold 648 shares of Stock Option (Right to Buy) at $N/A on 2026-05-12

Chen Stephen C. sold 896 shares of Class A Common Stock at $110.06 on 2026-02-17; Chen Stephen C. sold 821 shares of Class A Common Stock at $111.83 on 2026-02-18; Chen Stephen C. sold 480 shares of Class A Common Stock at $113.95 on 2026-02-18; Chen Stephen C. sold 520 shares of Class A Common Stock at $114.55 on 2026-02-18; Chen Stephen C. sold 80 shares of Class A Common Stock at $115.47 on 2026-02-18

Chen Stephen C. bought 1,800 shares of Class A Common Stock at $14.42 on 2025-12-29; Chen Stephen C. sold 1,800 shares of Stock Option (Right to Buy) at $N/A on 2025-12-29