CLEAN HARBORS INC (CLH)
$310.71-$1.10 (-0.35%) Today
Andrea Robertson - Director
Karyn PolitoClean Harbors Inc is an environmental and industrial services provider that provides parts cleaning and related environmental services to commercial, industrial, and automotive customers. Its business segments are Environmental Services and Safety-Kleen Sustainability Solutions. Environmental Services includes waste collection, transportation, treatment, recycling, and disposal, along with industrial maintenance services. Safety-Kleen Sustainability Solutions provides used oil collection and manufactures base oil, vacuum gas oil, and lubricants. The company generates the majority of its revenues from the Environmental Services segment and operates in the United States, with maximum revenue, and Canada.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 2 | 3,289 | $1.05M |
| Tax withholding / forfeiture | 13 | 10,660 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
91 Form 4 filings on record, the earliest from Oct 16, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Eric W. Gerstenberg - Officer | Open-market sale | Common Stock | 2,500 | $321.34 | $803K | |
| Eric W. Gerstenberg - Officer | Tax withholding / forfeiture | Common Stock | 564 | $290.74 | $164K | |
| Eric J. Dugas - Officer | Tax withholding / forfeiture | Common Stock | 447 | $290.74 | $130K | |
| Michael Louis Battles - Officer | Tax withholding / forfeiture | Common Stock | 1,032 | $290.74 | $300K | |
| George L. Curtis - Officer | Tax withholding / forfeiture | Common Stock | 1,757 | $290.74 | $511K | |
| Andrea Robertson - Director | Open-market sale | Common Stock | 789 | $314.01 | $248K | |
| Alan S. McKim - Officer | Tax withholding / forfeiture | Common Stock | 1,265 | $310.58 | $393K | |
| Sharon M. Gabriel - Officer | Tax withholding / forfeiture | Common Stock | 359 | $290.74 | $104K | |
| Brian P. Weber - Officer | Tax withholding / forfeiture | Common Stock | 814 | $290.74 | $237K | |
| Rebecca Underwood - Officer | Tax withholding / forfeiture | Common Stock | 311 | $290.74 | $90K | |
| Alan S. McKim - Officer | Tax withholding / forfeiture | Common Stock | 1,343 | $290.74 | $390K | |
| Eric W. Gerstenberg - Officer | Tax withholding / forfeiture | Common Stock | 564 | $290.74 | $164K | |
| Charles H. Geer II - Officer | Tax withholding / forfeiture | Common Stock | 40 | $290.74 | $12K | |
| Eric J. Dugas - Officer | Tax withholding / forfeiture | Common Stock | 447 | $290.74 | $130K | |
| Jeroen Diderich - Officer | Tax withholding / forfeiture | Common Stock | 1,717 | $281.00 | $482K | |
| Lauren States | Open-market sale | Common Stock | 789 | $286.19 | $226K | |
| Robert Willett | Grant or award | Common Stock | 652 | $0.00 | - | |
| John R. Welch | Grant or award | Common Stock | 652 | $0.00 | - | |
 Shelley Stewart Jr. | Grant or award | Common Stock | 652 | $0.00 | - | |
| Lauren States | Grant or award | Common Stock | 652 | $0.00 | - | |
| Andrea Robertson | Grant or award | Common Stock | 652 | $0.00 | - | |
| Marcy L. Reed | Grant or award | Common Stock | 652 | $0.00 | - | |
| Alison A. Quirk | Grant or award | Common Stock | 652 | $0.00 | - | |
 John T. Preston | Grant or award | Common Stock | 652 | $0.00 | - | |
| Edward G. Galante | Grant or award | Common Stock | 652 | $0.00 | - | |
| Karyn Polito | Grant or award | Common Stock | 652 | $0.00 | - | |
| Karyn Polito | Open-market purchase | Common Stock | 460 | $295.13 | $136K | |
| Karyn Polito | Grant or award | Common Stock | 460 | $295.13 | $136K | |
| Andrea Robertson | Gift | Common Stock | 342 | $0.00 | - | |
| Eric W. Gerstenberg - Officer | Open-market sale | Common Stock | 1,000 | $293.00 | $293K |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| GERSTENBERG ERIC W | Officer | 2,500 | $805K | View on EDGAR | |
| ANDREA ROBERTSON | Director | 789 | $248K | View on EDGAR | |
| - | - | - | - | View on EDGAR |
CLEAN HARBORS INC (CLH) had 15 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 tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of CLH were filed in the last 90 days. 2 purchases are on record for this company.
2 insider sales of CLH were filed in the last 90 days, totaling $1.05M.
This page tracks CLH Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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