Cynthia Schwarzkopf sold $210K of Miami International Holdings, Inc. (MIAX) stock

Cynthia Schwarzkopf, Dir of Miami International Holdings, Inc. (MIAX), sold 5,000 shares of MIAX stock worth $210K, per an SEC Form 4 filed Jul 16, 2026.

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

The trade happened on Jul 15, 2026, 1 day before it was made public.

MIAX has moved -27.6% since the trade date, from $42.43 to $30.71 (Oct 9, 2026 close).