The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Welch John R. since 2021.
This trader's CIK number is 1611303.
At the time of last reporting, Welch John R. was the Officer of Clean Harbors Inc. (stock ticker symbol CLH).
Also see all insider trading activities at Clean Harbors Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | CLH | 0 | $0 | 1,250 | $285,637 | 0 | $0 |
| 2023 | CLH | 0 | $0 | 1,000 | $150,430 | 0 | $0 |
| 2021 | CLH | 0 | $0 | 5,500 | $544,775 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-05-28 | CLH | Sale | 1,250 | 228.51 | 285,637 |
| 2023-06-02 | CLH | Sale | 1,000 | 150.43 | 150,430 |
| 2021-08-05 | CLH | Sale | 5,500 | 99.05 | 544,775 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Welch John R. (Officer of Clean Harbors Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.