CIK 0000822818 · Large accelerated filer
CLEAN HARBORS INC
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- CLH
- Exchange
- NYSE
- Industry
- Hazardous Waste Management
- FY end
- Dec 31
- Incorporated
- MA
- Entity type
- operating
- EIN
- 042997780
- Phone
- 781-792-5000
- Business address
- 42 LONGWATER DRIVE, P.O. BOX 9149, NORWELL, MA, 02061-9149
- Open-market buys, last 90 days
- $39,354
- in 1 filing
- Open-market sales, last 90 days
- $0
- in 0 filings
Net +$39,354. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-02-23 | GERSTENBERG ERIC W CO-CEO | Sale | −2,500 | $279.86 | $700K | 43,020 |
| 2026-02-20 | Dugas Eric J. EVP CHIEF FINANCIAL OFFICER | Sale | −2,788 | $281.31 | $784K | 20,021 |
| 2026-02-20 | Gabriel Sharon M. EVP/CIO (CHESI) | Sale | −3,540 | $282.07 | $999K | 23,193 |
| 2026-02-20 | Dugas Eric J. EVP CHIEF FINANCIAL OFFICER | Sale | −2,788 | $281.31 | $784K | 15,933 |
| 2026-02-19 | MCKIM ALAN S EXEC CHAIR, CTO. | Sale | −100,000 | $281.14 | $28.1M | 2,275,368 |
| 2026-02-19 | MCKIM ALAN S EXEC CHAIR, CTO. | Gift | −10,000 | 2,265,368 | ||
| 2026-02-19 | Welch John R. Director | Sale | −750 | $273.07 | $205K | 10,237 |
| 2026-02-02 | Geer Charles H. II EVP, Industrial Services | Shares withheld for taxes | −197 | $259.91 | $51K | 8,617 |
| 2026-02-02 | Diderich Jeroen EVP&President of Sales&Service | Shares withheld for taxes | −105 | $259.91 | $27K | 13,667 |
| 2026-02-02 | Underwood Rebecca PRESIDENT & EVP FACILITIES | Shares withheld for taxes | −425 | $259.91 | $110K | 16,859 |
| 2026-02-02 | Harrison Robert W. EVP, EHS | Shares withheld for taxes | −184 | $259.91 | $48K | 5,601 |
| 2026-02-02 | Gabriel Sharon M. EVP/CIO (CHESI) | Shares withheld for taxes | −508 | $259.91 | $132K | 26,733 |
| 2026-02-02 | Dugas Eric J. EVP CHIEF FINANCIAL OFFICER | Shares withheld for taxes | −567 | $259.91 | $147K | 18,721 |
| 2026-02-02 | Battles Michael Louis CO-CEO | Shares withheld for taxes | −5,205 | $259.91 | $1.4M | 77,706 |
| 2026-02-02 | Weber Brian P EVP (CHESI) | Shares withheld for taxes | −1,394 | $259.91 | $362K | 52,018 |
| 2026-02-02 | CURTIS GEORGE L EXEC. VICE PRESIDENT (CHESI) | Shares withheld for taxes | −249 | $259.91 | $65K | 47,415 |
| 2026-02-02 | GERSTENBERG ERIC W CO-CEO | Shares withheld for taxes | −4,934 | $259.91 | $1.3M | 45,520 |
| 2026-02-01 | Geer Charles H. II EVP, Industrial Services | Grant or award | +1,843 | 10,460 | ||
| 2026-02-01 | Geer Charles H. II EVP, Industrial Services | Grant or award | +503 | 10,963 | ||
| 2026-02-01 | Diderich Jeroen EVP&President of Sales&Service | Grant or award | +3,141 | 16,808 |
Page 4 of 7 · 134 trades