William B Gordon sold $1.4M of DUOL stock

William B Gordon, Dir of Duolingo, Inc. (DUOL), sold 10,000 shares of DUOL stock worth $1.4M, per an SEC Form 4 filed Nov 5, 2026.

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

The trade happened on Nov 2, 2026, 3 days before it was made public.

DUOL has moved +18.6% since the trade date, from $135.27 to $160.42 (Nov 6, 2026 close).