STOLPER MARK
SEC Form 4 insider trading activity
STOLPER MARK has filed 5 SEC Form 4 filings (5 transaction rows) across 2 companies, including TOI, RDNT, with disclosures dating back to 2025. 5 of those filings fall inside the rolling window. Most recent filing: Jul 29, 2026.
On the most recent filing, STOLPER MARK is listed as EVP, Chief Financial Officer at RadNet, Inc. Inside the rolling window, STOLPER MARK reported no open-market purchases and 1 open-market sale totaling $2.6M in RDNT.
Companies traded
Other insiders at TOI
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$2.6M
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has STOLPER MARK made?
STOLPER MARK has filed 5 SEC Form 4 filings (5 transaction rows) across 2 companies, including TOI, RDNT since 2025.
Which companies does STOLPER MARK trade?
STOLPER MARK has filed SEC Form 4 disclosures for 2 companies, including TOI, RDNT.
When was STOLPER MARK's most recent SEC Form 4 filing?
STOLPER MARK's most recent SEC Form 4 filing on Tracefour is dated Jul 29, 2026.
What is STOLPER MARK's total buy and sell value in the current window?
Inside the rolling retention window, STOLPER MARK bought $0 and sold $2.6M based on SEC Form 4 filings.
What was STOLPER MARK's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 35,000 RDNT shares on 2025-09-16, worth $2.6M, per SEC Form 4 filings.