Douglas M. Schafer Jr Insider Trades at Miami International Holdings ($MIAX)
Douglas M. Schafer Jr, EVP and CIO at Miami International Holdings, Inc. has 3 Form 4 trades on file since Jul 2, 2026. Open-market activity: 0 purchases ($0) and 3 sales ($3.59M), net -$3.59M. Latest filing: disposed of 8K shares of $MIAX on Oct 22, 2026 at $35.06.
- Trades on file
- 3
- Open-market bought
- $0
- Open-market sold
- $3.59M
- Net open-market
- -$3.59M
- Shares held ($MIAX)
- 387.41K
- Latest filing
- Oct 22, 2026
Shares held by Douglas M. Schafer Jr
Shares owned after the most recent Form 4 for each company.
All insider trades by Douglas M. Schafer Jr
| Date | Ticker | Type | Shares | Price | Value | Owned after | ΔOwn | 1W | 1M | 6M | Role | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $MIAX | Sell (Open-market sale) 10b5-1 | 8K | $35.06 | $280.48K | 387.41K | -2.02% | EVP and CIO | SEC | Read | ||||
| $MIAX | Sell (Open-market sale) 10b5-1 | 40K | $33.34 | $1.33M | 387.41K | -9.36% | -7.0% | EVP and CIO | SEC | — | |||
| $MIAX | Sell (Open-market sale) 10b5-1 | 48K | $41.22 | $1.98M | 387.41K | -11.02% | +5.3% | +14.7% | EVP and CIO | SEC | — |
"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.
Stocks Douglas M. Schafer Jr traded
Frequently asked questions
Has Douglas M. Schafer Jr been buying or selling stock?
Douglas M. Schafer Jr has 0 open-market purchases and 3 open-market sales on file, net -$3.59M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.
What was Douglas M. Schafer Jr's latest insider trade?
disposed of 8K shares of $MIAX on Oct 22, 2026 at $35.06.
Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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