InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Explore the detailed record of transactions filed by Schafer Douglas M. JR. Insider active across 1 company, notably MIAMI INTERNATIONAL HOLDINGS, INC.. Aggregated, 9 reports have been logged. Breakdown: 0 buy · 2 sells. Total volume traded: €3.6m. History available since 10 February 2026. The latest transaction was disclosed on 4 August 2026 (Cession). Regulator: SEC (Form 4). All data is free.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
9 of 9 declarations
A declarant with 9 filings in total. In the 9 recent filings covered, there were no buys and 3,637,469 EUR of sales, between 2025-08-19 and 2026-08-06, mainly option exercises at MIAMI INTERNATIONAL HOLDINGS, INC., where the listed role is EVP and CIO.