Clean Harbors Inc
CLHFigures shown here come from public SEC filings. Dates beside each section show the available history.
How Clean Harbors Inc Makes Money
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From revenue to net income
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Financial Summary
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 18 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 3, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| Sky Investment Group LLC | 2026-03-31 | 900 | $258K | SEC filing |
| SNYDER CAPITAL MANAGEMENT L P | 2026-03-31 | 929,327 | $266M | SEC filing |
| CVA Family Office, LLC | 2026-03-31 | 85 | $24.4K | SEC filing |
| Union Bancaire Privee, UBP SA | 2026-03-31 | 9,136 | $2.55M | SEC filing |
| LMCG INVESTMENTS, LLC | 2026-03-31 | 4,760 | $1.36M | SEC filing |
| Icon Wealth Advisors, LLC | 2026-03-31 | 1,122 | $344K | SEC filing |
| DiNuzzo Private Wealth, Inc. | 2026-03-31 | 13 | $3.73K | SEC filing |
| CIBC Asset Management Inc | 2026-03-31 | 1,682 | $482K | SEC filing |
| 12th Street Asset Management Company, LLC | 2026-03-31 | 204,716 | $58.7M | SEC filing |
| Leonteq Securities AG | 2026-03-31 | 1,354 | $388K | SEC filing |
| Aster Capital Management (DIFC) Ltd | 2026-03-31 | 628 | Not shown | SEC filing |
| YOUSIF CAPITAL MANAGEMENT, LLC | 2026-03-31 | 15,285 | $4.38M | SEC filing |
| Susquehanna Portfolio Strategies, LLC | 2026-03-31 | 8,018 | $2.3M | SEC filing |
| D1 Capital Partners L.P. | 2026-03-31 | 1,338,281 | $384M | SEC filing |
| Compound Planning, Inc. | 2026-03-31 | 1,335 | $383K | SEC filing |
| J.P. Marvel Investment Advisors, LLC | 2026-03-31 | 24,125 | $6.92M | SEC filing |
| Lombard Odier Asset Management (Europe) Ltd | 2026-03-31 | 15,786 | $4.53M | SEC filing |
| Crewe Advisors LLC | 2026-03-31 | 2 | $574 | SEC filing |
| SPIREPOINT PRIVATE CLIENT, LLC | 2026-03-31 | 106,046 | $30.4M | SEC filing |
| STRS OHIO | 2026-03-31 | 33,312 | $9.55M | SEC filing |
- Each value is checked against Clean Harbors Inc's share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
- Value not shown for 1 row: the value per share could not be confirmed against the share prices on file from within three months of the report date.
120 filers have only one report here.
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-05-26 | States Lauren · Director | Common Stock | S — Open market or private sale | −789 | 286.19 | SEC filing |
| 2026-05-11 (amended) | Polito Karyn · Director | Common Stock | P — Open market or private purchase | +460 | 295.13 | SEC filing |
| 2026-03-18 | Reed Marcy L. · Director | Common Stock | S — Open market or private sale | −836 | 287.94 | SEC filing |
| 2026-03-18 | GERSTENBERG ERIC W · CO-CEO | Common Stock | S — Open market or private sale | −1,000 | 293.00 | SEC filing |
| 2026-03-17 | Weber Brian P · EVP (CHESI) | Common Stock | S — Open market or private sale | −4,683 | 293.39 | SEC filing |
| 2026-03-04 | MCKIM ALAN S · EXEC CHAIR, CTO. | Common Stock | S — Open market or private sale | −100,000 | 292.65 | SEC filing |
| 2026-02-23 | GERSTENBERG ERIC W · CO-CEO | Common Stock | S — Open market or private sale | −2,500 | 279.86 | SEC filing |
| 2026-02-20 | Gabriel Sharon M. · EVP/CIO (CHESI) | Common Stock | S — Open market or private sale | −3,540 | 282.07 | SEC filing |
Showing 8 of 13 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-06-01 | Diderich Jeroen · EVP&President of Sales&Service | Common Stock | F — Payment of exercise price or tax by delivering securities | −1,717 | SEC filing |
| 2026-05-20 | Stewart Shelley JR · Director | Common Stock | A — Grant, award, or other acquisition | +652 | SEC filing |
| 2026-05-20 | Welch John R. · Director | Common Stock | A — Grant, award, or other acquisition | +652 | SEC filing |
| 2026-05-20 | Robertson Andrea · Director | Common Stock | A — Grant, award, or other acquisition | +652 | SEC filing |
| 2026-05-20 | Quirk Alison A. · Director | Common Stock | A — Grant, award, or other acquisition | +652 | SEC filing |
| 2026-05-20 | Reed Marcy L. · Director | Common Stock | A — Grant, award, or other acquisition | +652 | SEC filing |
| 2026-05-20 | Polito Karyn · Director | Common Stock | A — Grant, award, or other acquisition | +652 | SEC filing |
| 2026-05-20 | Willett Robert · Director | Common Stock | A — Grant, award, or other acquisition | +652 | SEC filing |
Showing 8 of 30 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-03-13 | CURTIS GEORGE L · EXEC. VICE PRESIDENT (CHESI) | Common Stock | D — Disposition to the issuer | −1,028 | SEC filing |
| 2026-03-13 | Underwood Rebecca · PRESIDENT & EVP FACILITIES | Common Stock | D — Disposition to the issuer | −1,401 | SEC filing |
| 2026-03-13 | GERSTENBERG ERIC W · CO-CEO | Common Stock | D — Disposition to the issuer | −2,166 | SEC filing |
| 2026-03-13 | Weber Brian P · EVP (CHESI) | Common Stock | D — Disposition to the issuer | −1,869 | SEC filing |
| 2026-03-13 | Harrison Robert W. · EVP, EHS | Common Stock | D — Disposition to the issuer | −368 | SEC filing |
| 2026-03-13 | Dugas Eric J. · EVP CHIEF FINANCIAL OFFICER | Common Stock | D — Disposition to the issuer | −1,324 | SEC filing |
| 2026-03-13 | Battles Michael Louis · CO-CEO | Common Stock | D — Disposition to the issuer | −2,166 | SEC filing |
| 2026-03-13 | Geer Charles H. II · EVP, Industrial Services | Common Stock | D — Disposition to the issuer | −139 | SEC filing |
Showing 8 of 10 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.