Schafer Douglas M. JR
EVP and CIO
Schafer Douglas M. JR has filed 11 SEC Form 4 filings (20 transaction rows) across 1 company, with disclosures dating back to 2026. 11 of those filings fall inside the rolling window. Most recent filing: Oct 6, 2026.
On the most recent filing, Schafer Douglas M. JR is listed as EVP and CIO at MIAMI INTERNATIONAL HOLDINGS, INC. Inside the rolling window, Schafer Douglas M. JR reported no open-market purchases and 7 open-market sales totaling $13.7M in MIAX. The largest disclosed transaction in the window is a sale of 48,000 MIAX shares on May 4, 2026, worth $2.3M.
Companies traded
Other insiders at MIAX
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$13.7M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Schafer Douglas M. JR made?
Schafer Douglas M. JR has filed 11 SEC Form 4 filings (20 transaction rows) across 1 company since 2026.
Which companies does Schafer Douglas M. JR trade?
Schafer Douglas M. JR has filed SEC Form 4 disclosures for 1 company, including MIAX.
When was Schafer Douglas M. JR's most recent SEC Form 4 filing?
Schafer Douglas M. JR's most recent SEC Form 4 filing on Tracefour is dated Oct 6, 2026.
What is Schafer Douglas M. JR's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Schafer Douglas M. JR is listed as EVP and CIO.
What is Schafer Douglas M. JR's total buy and sell value in the current window?
Inside the rolling retention window, Schafer Douglas M. JR bought $0 and sold $13.7M based on SEC Form 4 filings.
What was Schafer Douglas M. JR's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 48,000 MIAX shares on 2026-05-04, worth $2.3M, per SEC Form 4 filings.