CLHIndustrialsLarge-Cap
CLEAN HARBORS INC Insider Trading Activity
Every SEC Form 4 insider transaction reported for CLEAN HARBORS INC (CLH), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are CLH insiders buying or selling?
CLEAN HARBORS INC insiders reported 7 open-market buys ($1.2M) and 155 sells ($235.2M) across 162 Form 4 filings — a net selling position of $234.0M.
Source: SEC EDGAR Form 4
Key Statistics (as of May 27, 2026)
Total Form 4 filings
162
SEC EDGAR
Insider filers
26
Insider buys (7)
$1.2M
Insider sells (155)
$235.2M
Insider sentiment
Net sellingNet insider flow of $234.0M in net selling. 1 insider buy in the last 90 days.
Recent CLH insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 27, 2026 | Lauren States | Director | Sale | 789 | $286.19 | $225.8K |
| May 14, 2026 | Karyn Polito | Director | Purchase | 460 | $295.13 | $135.8K |
| Mar 19, 2026 | Eric W Gerstenberg | CO-CEO | Sale | 1.0K | $293.00 | $293.0K |
| Mar 19, 2026 | Marcy L. Reed | Director | Sale | 836 | $287.94 | $240.7K |
| Mar 17, 2026 | Brian P Weber | EVP (CHESI) | Sale | 4.7K | $293.39 | $1.4M |
| Mar 5, 2026 | Alan S Mckim | EXEC CHAIR, CTO. | Sale | 100.0K | $292.65 | $29.3M |
| Feb 24, 2026 | Eric W Gerstenberg | CO-CEO | Sale | 2.5K | $279.86 | $699.6K |
| Feb 23, 2026 | Alan S Mckim | EXEC CHAIR, CTO. | Sale | 100.0K | $281.14 | $28.1M |
| Feb 20, 2026 | Sharon M. Gabriel | EVP/CIO (CHESI) | Sale | 3.5K | $282.07 | $998.5K |
| Feb 20, 2026 | Eric J. Dugas | EVP CHIEF FINANCIAL OFFICER | Sale | 2.8K | $281.31 | $784.3K |
| Feb 20, 2026 | John R. Welch | Director | Sale | 750 | $273.07 | $204.8K |
| Dec 17, 2025 | Eric W Gerstenberg | CO-CEO | Sale | 601 | $240.90 | $144.8K |
| Aug 4, 2025 | Andrea Robertson | Director | Sale | 836 | $233.64 | $195.3K |
| Aug 4, 2025 | Michael Louis Battles | CO-CEO | Purchase | 2.0K | $233.50 | $467.0K |
| Jun 16, 2025 | Brian P Weber | EVP (CHESI) | Sale | 3.0K | $227.17 | $689.5K |
| Jun 9, 2025 | Eric W Gerstenberg | CO-CEO | Sale | 8.1K | $225.23 | $1.8M |
| Jun 6, 2025 | Alan S Mckim | EXEC CHAIR, CTO. | Sale | 100.0K | $224.47 | $22.4M |
| Jun 6, 2025 | Alison A. Quirk | Director | Sale | 893 | $223.69 | $199.8K |
| May 29, 2025 | John R. Welch | Director | Sale | 1.3K | $228.51 | $285.6K |
| May 28, 2025 | Robert Speights | PRESIDENT, INDUSTRIAL SERVICES | Sale | 1.0K | $228.49 | $233.5K |
| May 23, 2025 | Lauren States | Director | Sale | 836 | $226.17 | $189.1K |
| Mar 11, 2025 | Robert Speights | PRESIDENT, INDUSTRIAL SERVICES | Sale | 2.7K | $190.44 | $518.9K |
| Mar 11, 2025 | Eric J. Dugas | EVP CHIEF FINANCIAL OFFICER | Purchase | 1.1K | $191.38 | $200.9K |
| Mar 4, 2025 | Alan S Mckim | EXEC CHAIR, CTO. | Sale | 53.0K | $210.28 | $11.1M |
| Feb 19, 2025 | Lauren States | Director | Sale | 308 | $228.79 | $70.5K |
Showing the 25 most recent of 162 Form 4 filings for CLEAN HARBORS INC.
Most active CLH insiders
- Alan S Mckim23 filings
- Michael Louis Battles15 filings
- Brian P Weber14 filings
- Eric J. Dugas14 filings
- Eric W Gerstenberg14 filings
Ask anything about CLH insider activity
Use Trabud's AI agent to query CLEAN HARBORS INC's Form 4 history in plain English — "Show me CLH CEO purchases this year" or compare it against any other ticker.
Open the AI agentCLH insider trading FAQ
Are CLEAN HARBORS INC insiders buying or selling?
Across 162 SEC Form 4 filings, CLEAN HARBORS INC (CLH) insiders reported 7 open-market purchases totaling $1.2M and 155 sales totaling $235.2M. That is a net selling position of $234.0M.
How many insiders trade CLH stock?
26 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for CLEAN HARBORS INC. The most recent filing was accepted on May 27, 2026.
Where does Trabud get CLH insider trading data?
All CLH insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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