Yann Mazabraud sold $6.6M of Rhythm Pharmaceuticals, Inc. (RYTM) stock

Yann Mazabraud, EVP, Head of International of Rhythm Pharmaceuticals, Inc. (RYTM), sold 57,000 shares of RYTM stock worth $6.6M, per an SEC Form 4 filed Aug 14, 2026.

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

The trade happened on Aug 12, 2026, 2 days before it was made public.

RYTM has moved -16.0% since the trade date, from $117.60 to $98.83 (Sep 21, 2026 close).