Alex Keun Mo Yang bought $360K of PLYX stock

Alex Keun Mo Yang, Chief Executive Officer, 10% of Polaryx Therapeutics, Inc. (PLYX), bought 88,453 shares of PLYX stock worth $360K, per an SEC Form 4 filed May 28, 2026.

The shares came through a private deal, not the open market.

The trade happened on May 27, 2026, 1 day before it was made public.

PLYX has moved -29.5% since the trade date, from $2.51 to $1.77 (Nov 13, 2026 close).