| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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Evp/ CIO (chesi)
1 company
Sharon M. Gabriel is Evp/ CIO (chesi) at CLH. Sharon M. Gabriel'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 $6.1M at current prices.
Historically, Sharon M. Gabriel's trades have earned a below-average insider score of 30/100 across 6 rated trades. Over a 12-month horizon, none of those trades were profitable, with an average 12-month return of -37.6%.
The CLH filings lean toward selling, a net 11,612 shares.
Sharon M. Gabriel has 49 Form 4 filings on record from December 2018 to July 2026, all as Evp/ CIO (chesi) at Clean Harbors (CLH), 2018–2026.
The 63 reported transactions were 34 tax withholdings, 19 stock awards, 6 open-market sales and 4 dispositions back to the company.
Counted by filing, the open-market trades come to no purchases and 6 sales worth about $2.2M.
The largest open-market sale was 3,540 shares of CLH at an average $282.07 on February 20, 2026, about $999K.
None of the 4 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 20, 2026 | CLH Clean Harbors, Inc. | Evp/ CIO (chesi) | Sell | 3,540 | $282.07 | $998,527.80 | -13.2% | -0.7% | - | |
| Jul 3, 2023 | CLH Clean Harbors Inc | Evp/ CIO (chesi) | Sell | 557 | $164.43 | $91,587.51 | -2.2% | +0.4% | +34.6% | |
| Jun 9, 2023 | CLH Clean Harbors Inc | Evp/ CIO (chesi) | Sell | 3,235 | $155.71 | $503,721.85 | -11.1% | +7.0% | +36.8% | |
| Apr 1, 2023 | CLH Clean Harbors Inc | Evp/ CIO (chesi) | Sell | 196 | $142.56 | $27,941.76 | -0.7% | +15.3% | +38.2% | |
| Mar 15, 2023 | CLH Clean Harbors Inc | Evp/ CIO (chesi) | Sell | 274 | $133.07 | $36,461.18 | -0.9% | +16.8% | +41.7% | |
| Mar 9, 2023 | CLH Clean Harbors Inc | Evp/ CIO (chesi) | Sell | 3,810 | $138.92 | $529,285.20 | -11.4% | +13.4% | +36.7% |