Schafer Douglas M. JR
An insider at 1 company in coverage, as reported on Form 4. SEC CIK 2079445. Latest Form 4 filed Oct 26, 2026.
Roles
As stated on the filings: the relationship to the company and any officer title.
| Company | Role | Transactions | First | Latest |
|---|---|---|---|---|
| Miami International Holdings, Inc.MIAX | EVP and CIO, Officer | 3 | 2026-10-22 | 2026-10-22 |
Transactions: 3
Every transaction reported, newest first, including grants, exercises and derivative securities. Purchases and sales (codes P and S) are open-market trades. The reported price is as stated on the form.
What these mean: insiders, Form 4, transaction codes, Rule 10b5-1 plans.
| Date | Company | Transaction | Shares | Reported price | Value | Filing |
|---|---|---|---|---|---|---|
| 2026-10-22 | Miami International Holdings, Inc.EVP and CIO, Officer | Option exerciseNonqualified Stock Option (Right to Buy) | 8,000 | $0.00 | $0 | Form 4 |
| 2026-10-22 | Miami International Holdings, Inc.EVP and CIO, Officer | Sale | 8,000 | $35.06 | $280.5k | Form 4 |
| 2026-10-22 | Miami International Holdings, Inc.EVP and CIO, Officer | Option exercise | 8,000 | $12.00 | $96.0k | Form 4 |
Source: SEC EDGAR, Forms 4. Last ingested by Listed: Oct 31, 2026, 01:48 ET. Listed shows no prices and gives no investment advice.