Murray Stahl bought $312K of Miami International (MIAX)
Executed Mar 4, disclosed Mar 5, 1 day later.
Over the 21 trading sessions from the disclosed entry session (Mar 5), the stock returned -5.2% (delay-adjusted); from the execution session (Mar 4), -7.6%. Derived: entry at the session's open, exit at the close 20 sessions later.
Murray Stahl (Director) filed 5 Form 4 reports in the trailing twelve months (3 purchases, 2 sales, 1 filed past the two-business-day deadline), most often in Miami International Holdings, Inc. (MIAX). Across 2 priced purchase filings, the average 21-session return was -6.4% from execution and -2.9% from disclosure (delay-adjusted; derived). The largest single filing was $5.0M of MIAX (121,054 sh × $40.92, as filed), executed Mar 2.
Financial Services · Miami International Holdings, Inc., through its subsidiaries, builds and operates various financial marketplaces in the United States
More Financial Services filings→ Insider filings, newest first→ View the original filing at www.sec.gov→7,200 sh × $43.08
Exec Mar 5
Filed Mar 6 · 5:57 PM ET MIAXPURCHASE Miami International Holdings, Inc. $312K
7,200 sh × $43.38
Exec Mar 4
Filed Mar 6 · 5:52 PM ET MIAXSALE Miami International Holdings, Inc. $5.0M
121,054 sh × $40.92
Exec Mar 2
Filed Mar 4 · 5:30 PM ET MIAXSALE Miami International Holdings, Inc. $2.2M
53,578 sh × $40.92
Exec Mar 2
Filed Mar 6 · 5:30 PM ET † MIAXPURCHASE Miami International Holdings, Inc. $1.2M
34,470 sh × $36.10
Exec Aug 28 2025
Filed Sep 30 2025 · 2:28 PM ET †