Clean Harbors Inc. insider trading
This tab shows only the shares insiders bought or sold on the open market in the last twelve months (Form 4 codes P and S). Grants, option exercises, shares held back for tax and gifts are left out on purpose, so what is left is insiders trading at the market price like anyone else.
In the last twelve months insiders at Clean Harbors Inc. filed 13 open-market sales worth $63.4 million and 0 open-market purchases, on Form 4 with the SEC. The latest: Gerstenberg Eric W, CO-CEO, sold 2,500 shares at $321.34 on 14 August 2026, filed 18 August 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 14 August 2026 | Gerstenberg Eric W | CO-CEO | Sale | 2,500 | $321.34 | $803,350 | Form 4 |
| 3 August 2026 | Robertson Andrea | Director | Sale | 789 | $314.01 | $247,754 | Form 4 |
| 26 May 2026 | States Lauren | Director | Sale | 789 | $286.19 | $225,804 | Form 4 |
| 18 March 2026 | Gerstenberg Eric W | CO-CEO | Sale | 1,000 | $293.00 | $293,000 | Form 4 |
| 18 March 2026 | Reed Marcy L. | Director | Sale | 836 | $287.94 | $240,718 | Form 4 |
| 17 March 2026 | Weber Brian P | EVP (CHESI) | Sale | 4,683 | $293.39 | $1.4 million | Form 4 |
| 4 March 2026 | Mckim Alan S | EXEC CHAIR, CTO. | Sale | 100,000 | $292.65 | $29.3 million | Form 4 |
| 23 February 2026 | Gerstenberg Eric W | CO-CEO | Sale | 2,500 | $279.86 | $699,650 | Form 4 |
| 19 February 2026 | Mckim Alan S | EXEC CHAIR, CTO. | Sale | 100,000 | $281.14 | $28.1 million | Form 4 |
| 20 February 2026 | Gabriel Sharon M. | EVP/CIO (CHESI) | Sale | 3,540 | $282.07 | $998,528 | Form 4 |
| 20 February 2026 | Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | Sale | 2,788 | $281.31 | $784,292 | Form 4 |
| 19 February 2026 | Welch John R. | Director | Sale | 750 | $273.07 | $204,802 | Form 4 |
| 16 December 2025 | Gerstenberg Eric W | CO-CEO | Sale | 601 | $240.90 | $144,781 | Form 4 |
A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Clean Harbors Inc.: the company's filing index.
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