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Insider trades
Open-market buys and sells by officers, directors and 10% owners, from SEC Form 4. Usually filed within two business days.
About this data
- What it is
- When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
- Who files it
- The insider, usually through the company, within two business days of the trade.
- How current
- We collect new filings throughout the day on SEC business days.
- Worth knowing
- Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.
All of this comes from public filings.
Source and freshness · Information, not investment advice (disclaimer).
Open-market trades per day, last 30 days
Purchases Sales
By trade date. Insiders have two business days to file, so the most recent days fill in later.
Latest open-market insider trades
Showing: ticker CLH
| Traded | Insider | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 29, 2026 | Karyn Polito Director | CLH Clean Harbors, Inc. | Buy | 125 | $314.83 | $39.4K Buy | Form 4 ↗ |
| Aug 14, 2026 | Eric W. Gerstenberg CO-CEO | CLH Clean Harbors, Inc. | Sale | 2,500 | $321.34 | $803.4K Sale | Form 4 ↗ |
| Aug 3, 2026 | Andrea Robertson Director | CLH Clean Harbors, Inc. | Sale | 789 | $314.01 | $247.8K Sale | Form 4 ↗ |
| May 26, 2026 | Lauren States Director | CLH Clean Harbors, Inc. | Sale | 789 | $286.19 | $225.8K Sale | Form 4 ↗ |
| May 11, 2026 | Karyn Polito Director | CLH Clean Harbors, Inc. | Buy | 460 | $295.13 | $135.8K Buy | Form 4/A ↗ |
| Mar 18, 2026 | Marcy L. Reed Director | CLH Clean Harbors, Inc. | Sale | 836 | $287.94 | $240.7K Sale | Form 4 ↗ |
| Mar 18, 2026 | Eric W. Gerstenberg CO-CEO | CLH Clean Harbors, Inc. | Sale | 1,000 | $293.00 | $293.0K Sale | Form 4/A ↗ |
| Mar 17, 2026 | Brian P. Weber EVP (CHESI) | CLH Clean Harbors, Inc. | Sale | 4,683 | $293.39 | $1.4M Sale | Form 4 ↗ |
| Mar 4, 2026 | Alan S. McKim EXEC CHAIR, CTO., Director | CLH Clean Harbors, Inc. | Sale | 100,000 | $292.65 | $29.3M Sale | Form 4 ↗ |
| Feb 23, 2026 | Eric W. Gerstenberg CO-CEO | CLH Clean Harbors, Inc. | Sale | 2,500 | $279.86 | $699.6K Sale | Form 4/A ↗ |
| Feb 20, 2026 | Sharon M. Gabriel EVP/CIO (CHESI) | CLH Clean Harbors, Inc. | Sale | 3,540 | $282.07 | $998.5K Sale | Form 4 ↗ |
| Feb 20, 2026 | Eric J. Dugas EVP CHIEF FINANCIAL OFFICER | CLH Clean Harbors, Inc. | Sale | 2,788 | $281.31 | $784.3K Sale | Form 4/A ↗ |
| Feb 19, 2026 | John R. Welch Director | CLH Clean Harbors, Inc. | Sale | 750 | $273.07 | $204.8K Sale | Form 4 ↗ |
| Feb 19, 2026 | Alan S. McKim EXEC CHAIR, CTO., Director | CLH Clean Harbors, Inc. | Sale | 100,000 | $281.14 | $28.1M Sale | Form 4 ↗ |
| Dec 16, 2025 | Eric W. Gerstenberg CO-CEO | CLH Clean Harbors, Inc. | Sale | 601 | $240.90 | $144.8K Sale | Form 4 ↗ |
| Aug 1, 2025 | Michael Louis Battles CO-CEO, Director | CLH Clean Harbors, Inc. | Buy | 2,000 | $233.50 | $467.0K Buy | Form 4 ↗ |
| Jul 31, 2025 | Andrea Robertson Director | CLH Clean Harbors, Inc. | Sale | 836 | $233.64 | $195.3K Sale | Form 4 ↗ |
| Jun 13, 2025 | Brian P. Weber EVP (CHESI) | CLH Clean Harbors, Inc. | Sale | 3,035 | $227.17 | $689.5K Sale | Form 4 ↗ |
| Jun 6, 2025 | Eric W. Gerstenberg CO-CEO | CLH Clean Harbors, Inc. | Sale | 8,076 | $225.23 | $1.8M Sale | Form 4 ↗ |
| Jun 5, 2025 | Alan S. McKim EXEC CHAIR, CTO., Director | CLH Clean Harbors, Inc. | Sale | 58,156 | $223.80 | $13.0M Sale | Form 4 ↗ |
| Jun 5, 2025 | Alison A. Quirk Director | CLH Clean Harbors, Inc. | Sale | 893 | $223.69 | $199.8K Sale | Form 4 ↗ |
| Jun 4, 2025 | Alan S. McKim EXEC CHAIR, CTO., Director | CLH Clean Harbors, Inc. | Sale | 41,844 | $225.40 | $9.4M Sale | Form 4 ↗ |
| May 28, 2025 | John R. Welch Director | CLH Clean Harbors, Inc. | Sale | 1,250 | $228.51 | $285.6K Sale | Form 4 ↗ |
| May 27, 2025 | Robert Speights PRESIDENT, INDUSTRIAL SERVICES | CLH Clean Harbors, Inc. | Sale | 1,022 | $228.49 | $233.5K Sale | Form 4 ↗ |
| May 22, 2025 | Lauren States Director | CLH Clean Harbors, Inc. | Sale | 836 | $226.17 | $189.1K Sale | Form 4 ↗ |
| Mar 10, 2025 | Robert Speights PRESIDENT, INDUSTRIAL SERVICES | CLH Clean Harbors, Inc. | Sale | 2,725 | $190.44 | $518.9K Sale | Form 4 ↗ |
| Mar 10, 2025 | Eric J. Dugas EVP CHIEF FINANCIAL OFFICER | CLH Clean Harbors, Inc. | Buy | 1,050 | $191.38 | $200.9K Buy | Form 4 ↗ |
| Mar 3, 2025 | Alan S. McKim EXEC CHAIR, CTO., Director | CLH Clean Harbors, Inc. | Sale | 2,999 | $212.02 | $635.8K Sale | Form 4 ↗ |
| Mar 3, 2025 | Alan S. McKim EXEC CHAIR, CTO., Director | CLH Clean Harbors, Inc. | Sale | 50,000 | $210.18 | $10.5M Sale | Form 4 ↗ |
| Feb 18, 2025 | Lauren States Director | CLH Clean Harbors, Inc. | Sale | 308 | $228.79 | $70.5K Sale | Form 4 ↗ |
| Jan 15, 2025 | Lauren States Director | CLH Clean Harbors, Inc. | Sale | 308 | $239.04 | $73.6K Sale | Form 4 ↗ |
| Dec 16, 2024 | Lauren States Director | CLH Clean Harbors, Inc. | Sale | 308 | $245.06 | $75.5K Sale | Form 4 ↗ |
| Nov 27, 2024 | Brian P. Weber EVP (CHESI) | CLH Clean Harbors, Inc. | Sale | 861 | $261.31 | $225.0K Sale | Form 4 ↗ |
| Nov 15, 2024 | Lauren States Director | CLH Clean Harbors, Inc. | Sale | 308 | $249.78 | $76.9K Sale | Form 4 ↗ |
| Nov 15, 2024 | Eric W. Gerstenberg CO-CEO | CLH Clean Harbors, Inc. | Sale | 6,051 | $250.42 | $1.5M Sale | Form 4 ↗ |
| Nov 5, 2024 | Robert Speights PRESIDENT, INDUSTRIAL SERVICES | CLH Clean Harbors, Inc. | Sale | 610 | $240.14 | $146.5K Sale | Form 4 ↗ |
| Oct 15, 2024 | Lauren States Director | CLH Clean Harbors, Inc. | Sale | 308 | $260.74 | $80.3K Sale | Form 4 ↗ |
37 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 5:38 PM EST.
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