AlphaYouDM
Insider selling
Douglas M. Schafer Jr sold $2.2M of Miami International Holdings, Inc. (MIAX) stock
Douglas M. Schafer Jr, EVP and CIO of Miami International Holdings, Inc. (MIAX), sold 48,000 shares of MIAX stock worth $2.2M, per an SEC Form 4 filed Aug 6, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Aug 4, 2026, 2 days before it was made public.
MIAX has moved -16.5% since the trade date, from $45.34 to $37.84 (Sep 21, 2026 close).
- Traded
- Aug 4, 2026
- Disclosed
- Aug 6, 2026
- Filing delay
- 2 days
- Price since
- -16.5%
- Role
- EVP and CIO
- Source
- SEC Form 4
More MIAX insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.