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Start 7-day demoLatest CLH insider trades
- Eric W. Gerstenberg - OfficerOpen-market sale$803K
Andrea Robertson - DirectorOpen-market sale$248K
About CLEAN HARBORS INC (CLH)
CLEAN HARBORS INC files with the SEC under CIK 0000822818 and is classified as hazardous waste management. It is grouped with Utilities companies on this site.
CLH Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 2 | 3,289 | $1.05M |
| Tax withholding / forfeiture | 5 | 5,065 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
CLH insider transactions (Form 4)
3591 Form 4 filings on record, the earliest from Oct 16, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Alan S. McKim - Officer | Gift | Common Stock | 8,567 | $0.00 | - | |
| Alan S. McKim - Officer | Gift | Common Stock | 4,283 | $0.00 | - | |
| Andrea Robertson | Gift | Common Stock | 430 | $0.00 | - | |
| Michael Louis Battles - Officer | Open-market purchase | Common Stock | 2,000 | $233.50 | $467K | |
| Andrea Robertson | Open-market sale | Common Stock | 836 | $233.64 | $195K | |
| Rebecca Underwood - Officer | Tax withholding / forfeiture | Common Stock | 1,051 | $229.55 | $241K | |
| Sharon M. Gabriel - Officer | Tax withholding / forfeiture | Common Stock | 525 | $229.55 | $121K | |
| Eric J. Dugas - Officer | Tax withholding / forfeiture | Common Stock | 613 | $229.55 | $141K | |
| Michael Louis Battles - Officer | Tax withholding / forfeiture | Common Stock | 1,532 | $229.55 | $352K | |
| Brian P. Weber - Officer | Tax withholding / forfeiture | Common Stock | 1,136 | $229.55 | $261K | |
| George L. Curtis - Officer | Tax withholding / forfeiture | Common Stock | 399 | $229.55 | $92K | |
| Eric W. Gerstenberg - Officer | Tax withholding / forfeiture | Common Stock | 564 | $229.55 | $129K | |
| Alan S. McKim - Officer | Tax withholding / forfeiture | Common Stock | 1,342 | $229.55 | $308K | |
| Eric W. Gerstenberg - Officer | Open-market sale | Common Stock | 8,076 | $225.23 | $1.82M | |
| Alan S. McKim - Officer | Open-market sale | Common Stock | 41,844 | $225.40 | $9.43M | |
| Alan S. McKim - Officer | Open-market sale | Common Stock | 58,156 | $223.80 | $13.02M | |
| Andrea Robertson | Grant or award | Common Stock | 789 | $0.00 | - | |
| Edward G. Galante | Grant or award | Common Stock | 789 | $0.00 | - | |
| George L. Curtis - Officer | Grant or award | Common Stock | 2,000 | $0.00 | - | |
| George L. Curtis - Officer | Tax withholding / forfeiture | Common Stock | 351 | $192.90 | $68K | |
| George L. Curtis - Officer | Derivative | Common Stock | 2,252 | $0.00 | - | |
| Eric W. Gerstenberg - Officer | Tax withholding / forfeiture | Common Stock | 978 | $192.90 | $189K | |
| Eric W. Gerstenberg - Officer | Derivative | Common Stock | 4,744 | $0.00 | - | |
| Rebecca Underwood - Officer | Tax withholding / forfeiture | Common Stock | 88 | $244.28 | $21K | |
| Robert W. Harrison - Officer | Tax withholding / forfeiture | Common Stock | 28 | $244.28 | $7K | |
| Lauren States | Open-market sale | Common Stock | 308 | $245.06 | $75K | |
| Robert W. Harrison - Officer | Tax withholding / forfeiture | Common Stock | 122 | $260.09 | $32K | |
| Brian P. Weber - Officer | Open-market sale | Common Stock | 861 | $261.31 | $225K | |
| Alan S. McKim - Officer | Gift | Common Stock | 7,200 | $0.00 | - | |
| Alan S. McKim - Officer | Gift | Common Stock | 15,000 | $0.00 | - | |
| Lauren States | Open-market sale | Common Stock | 308 | $249.78 | $77K | |
| Eric W. Gerstenberg - Officer | Open-market sale | Common Stock | 6,051 | $250.42 | $1.52M | |
| Robert Speights - Officer | Open-market sale | Common Stock | 610 | $240.14 | $146K | |
| Eric J. Dugas - Officer | Tax withholding / forfeiture | Common Stock | 162 | $233.00 | $38K | |
| Brian P. Weber - Officer | Tax withholding / forfeiture | Common Stock | 806 | $233.00 | $188K |
See every CLH filing on record
These pages show the latest 90 of 91 Form 4 filings on record. The 7-day demo shows all 91, and sign-up brings you back to this table.
Recent CLH Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| GERSTENBERG ERIC W | Officer | 2,500 | $805K | View on EDGAR | |
| ANDREA ROBERTSON | Director | 789 | $248K |
Stock trades in CLH disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
 April McClain DelaneyDemocrat, MD-06 | Sale |
CLH insider trading FAQ
What is the latest insider trade for CLH?
CLEAN HARBORS INC (CLH) had 7 insider filings in the last 90 days, with the most recent on 2026-08-18. The full record for CLH runs to 91 Form 4 filings, the earliest from 2024-10-16. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying CLH stock?
No insider purchases of CLH were filed in the last 90 days. 2 purchases are on record for this company.
How many insiders are selling CLH stock?
2 insider sales of CLH were filed in the last 90 days, totaling $1.05M.
Where can I see CLH SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects CLH Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Utilities companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Eric W. Gerstenberg view on EDGAR
- - Eric W. Gerstenberg view on EDGAR
- - Eric J. Dugas view on EDGAR
- - Michael Louis Battles view on EDGAR
- - George L. Curtis view on EDGAR
- - Andrea Robertson view on EDGAR
- - Alan S. McKim view on EDGAR
- - Sharon M. Gabriel view on EDGAR
- - Brian P. Weber view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Utilities
- Where CLH's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow CLH with a 7-day demo
- CLH on your watchlist
- Every CLH Form 4 filing on record
- Up to 3 months of CLH price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
