DM
Insider selling
Douglas M. Schafer Jr sold $280K of MIAX stock
Douglas M. Schafer Jr, EVP and CIO of Miami International Holdings, Inc. (MIAX), sold 8,000 shares of MIAX stock worth $280K, per an SEC Form 4 filed Oct 26, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Oct 22, 2026, 4 days before it was made public.
MIAX has moved -5.2% since the trade date, from $34.99 to $33.16 (Oct 26, 2026 close).
- Traded
- Oct 22, 2026
- Disclosed
- Oct 26, 2026
- Filing delay
- 4 days
- Price since
- -5.2%
- 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.