Natalie Glance sold $567K of DUOL stock

Natalie Glance, Chief Engineering Officer of Duolingo, Inc. (DUOL), sold 4,290 shares of DUOL stock worth $567K, per an SEC Form 4 filed Aug 19, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Aug 17, 2026, 2 days before it was made public.

DUOL has moved +23.2% since the trade date, from $130.16 to $160.42 (Nov 6, 2026 close).