Welch John R.
SEC Form 4 insider trading activity
Welch John R. has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: May 22, 2026.
On the most recent filing, Welch John R. is listed as Director at CLEAN HARBORS INC. Inside the rolling window, Welch John R. reported no open-market purchases and 1 open-market sale totaling $205K in CLH.
Companies traded
Other insiders at CLH
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$205K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Welch John R. made?
Welch John R. has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company since 2025.
Which companies does Welch John R. trade?
Welch John R. has filed SEC Form 4 disclosures for 1 company, including CLH.
When was Welch John R.'s most recent SEC Form 4 filing?
Welch John R.'s most recent SEC Form 4 filing on Tracefour is dated May 22, 2026.
What is Welch John R.'s total buy and sell value in the current window?
Inside the rolling retention window, Welch John R. bought $0 and sold $205K based on SEC Form 4 filings.
What was Welch John R.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 750 CLH shares on 2026-02-19, worth $205K, per SEC Form 4 filings.