Schafer Douglas M. JR — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Schafer Douglas M. JR has filed 5 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $8.21M.

Profile

Schafer Douglas M. JR
RoleEVP and CIO
Notability20/100

Board memberships

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-07-07MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S — Open-market sale48.0K$41.22$1.98M
2026-07-07MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M — Option exercise42.0K$12.00$504K
2026-07-07MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M — Option exercise6.0K$12.00$72K
2026-06-18MIAXMIAMI INTERNATIONAL HOLDINGS, INC.A — Grant or award23.3K$0.00
2026-06-12MIAXMIAMI INTERNATIONAL HOLDINGS, INC.F — Tax withholding / forfeiture32.6K$40.79$1.33M
2026-06-04MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S — Open-market sale48.0K$42.84$2.06M
2026-06-04MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M — Option exercise48.0K$12.00$576K
2026-05-05MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S — Open-market sale48.0K$47.25$2.27M
2026-05-05MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M — Option exercise48.0K$12.00$576K
2026-03-18MIAXMIAMI INTERNATIONAL HOLDINGS, INC.S — Open-market sale [10b5-1]48.0K$39.74$1.91M
2026-03-18MIAXMIAMI INTERNATIONAL HOLDINGS, INC.M — Option exercise [10b5-1]48.0K$12.00$576K
2026-02-20MIAXMIAMI INTERNATIONAL HOLDINGS, INC.F — Tax withholding / forfeiture32.6K$40.89$1.33M
2026-02-12MIAXMIAMI INTERNATIONAL HOLDINGS, INC.F — Tax withholding / forfeiture108.5K$41.33$4.49M
2025-08-15MIAXMIAMI INTERNATIONAL HOLDINGS, INC.J — Other acquisition / disposition387.3K—
2025-08-15MIAXMIAMI INTERNATIONAL HOLDINGS, INC.J — Other acquisition / disposition500—

Companies — Last 90 Days

Frequently Asked Questions

Who is Schafer Douglas M. JR?

Schafer Douglas M. JR is a corporate insider — currently tracked as EVP and CIO of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Schafer Douglas M. JR submitted recently?

5 primary Form 4 filings in the last 90 days, covering 1 company.

Has Schafer Douglas M. JR been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 4 open-market sales ($8.21M) across all tracked filings.

Where can I see all of Schafer Douglas M. JR's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

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