| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
1 company
John R. Welch is Director at CLH. John R. Welch's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $3.2M at current prices.
Historically, John R. Welch's trades have earned a below-average insider score of 26/100 across 4 rated trades. Over a 12-month horizon, none of those trades were profitable, with an average 12-month return of -26.2%.
The CLH filings lean toward selling, a net 8,500 shares.
John R. Welch has 16 Form 4 filings on record from June 2018 to May 2026, all as Director at Clean Harbors (CLH), 2018–2026.
The 16 reported transactions were 10 stock awards, 4 open-market sales and 2 gifts.
Counted by filing, the open-market trades come to no purchases and 4 sales worth about $1.2M.
The largest open-market sale was 5,500 shares of CLH at an average $99.05 on August 5, 2021, about $545K. Twelve months later CLH was up 11%.
None of the 3 sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Feb 19, 2026 | CLH Clean Harbors, Inc. | Director | Sell | 750 | $273.07 | $204,802.50 | -6.8% | +3.6% | - | |
| May 28, 2025 | CLH Clean Harbors Inc | Director | Sell | 1,250 | $228.51 | $285,637.50 | -9.9% | +7.7% | +23.8% | |
| Jun 2, 2023 | CLH Clean Harbors Inc | Director | Sell | 1,000 | $150.43 | $150,430.00 | -7.4% | +12.2% | +43.5% | |
| Aug 5, 2021 | CLH Clean Harbors Inc | Director | Sell | 5,500 | $99.05 | $544,775.00 | -35.1% | +8.4% | +11.2% |