Valentin Gapontsev Trust I sold $2.1M of IPGP stock

Valentin Gapontsev Trust I, 10% owner of Ipg Photonics Corp (IPGP), sold 27,397 shares of IPGP stock worth $2.1M, per an SEC Form 4 filed Sep 3, 2026.

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

The trade happened on Sep 1, 2026, 2 days before it was made public.

IPGP has moved -13.2% since the trade date, from $75.20 to $65.31 (Nov 6, 2026 close).