Matthew Fraser Ahearn sold $374K of Shoulder Innovations, Inc. (SI) stock

Matthew Fraser Ahearn, Chief Operating Officer of Shoulder Innovations, Inc. (SI), sold 20,000 shares of SI stock worth $374K, per an SEC Form 4 filed Jun 16, 2026.

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

The trade happened on Jun 12, 2026, 4 days before it was made public.

SI has moved -5.8% since the trade date, from $18.70 to $17.61 (Sep 22, 2026 close).