CLH
CLEAN HARBORS INC
Hazardous Waste ManagementNYSELarge accelerated filer
Total Trades
78
Buys
1
Sells
76
Largest Trade
N/A
Insiders
16
Institutional Funds
485
Inst. Value
$1M+
Activist Filings
10
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| MCKIM ALAN S | EXEC CHAIR, CTO. | SELL | $1M+ | 100K | $292.65 | Mar 5, 2026 |
| GERSTENBERG ERIC W | CO-CEO | SELL | $500K+ | 3K | $279.86 | Feb 24, 2026 |
| Gabriel Sharon M. | EVP/CIO (CHESI) | SELL | $500K+ | 4K | $282.07 | Feb 20, 2026 |
| Dugas Eric J. | EVP CHIEF FINANCIA… | SELL | $500K+ | 3K | $281.31 | Feb 20, 2026 |
| Welch John R. | Director | SELL | $100K–$500K | 750 | $273.07 | Feb 20, 2026 |
| GERSTENBERG ERIC W | CO-CEO | SELL | $100K–$500K | 601 | $240.90 | Dec 17, 2025 |
| Weber Brian P | EVP (CHESI) | SELL | $500K+ | 3K | $227.17 | Jun 16, 2025 |
| GERSTENBERG ERIC W | CO-CEO | SELL | $1M+ | 8K | $225.23 | Jun 9, 2025 |
| MCKIM ALAN S | EXEC CHAIR, CTO. | SELL | $1M+ | 100K | $224.47 | Jun 6, 2025 |
| Quirk Alison A. | Director | SELL | $100K–$500K | 893 | $223.69 | Jun 6, 2025 |
| Welch John R. | Director | SELL | $100K–$500K | 1K | $228.51 | May 29, 2025 |
| Speights Robert | PRESIDENT | SELL | $100K–$500K | 1K | $228.49 | May 28, 2025 |
| States Lauren | Director | SELL | $100K–$500K | 836 | $226.17 | May 23, 2025 |
| States Lauren | Director | GRANT | N/A | 789 | — | May 23, 2025 |
| States Lauren | Director | SELL | $50K–$100K | 308 | $239.04 | Jan 16, 2025 |
| Weber Brian P | EVP (CHESI) | SELL | $100K–$500K | 861 | $261.31 | Nov 27, 2024 |
| States Lauren | Director | SELL | $50K–$100K | 308 | $249.78 | Nov 18, 2024 |
| GERSTENBERG ERIC W | CO-CEO | SELL | $1M+ | 6K | $250.42 | Nov 18, 2024 |
| Speights Robert | PRESIDENT | SELL | $100K–$500K | 610 | $240.14 | Nov 6, 2024 |
| States Lauren | Director | SELL | $50K–$100K | 308 | $260.74 | Oct 16, 2024 |
| Robertson Andrea | Director | SELL | $100K–$500K | 1K | $238.90 | Aug 1, 2024 |
| MCKIM ALAN S | EXEC CHAIR, CTO. | SELL | $1M+ | 50K | $215.51 | Jun 13, 2024 |
| States Lauren | Director | SELL | $100K–$500K | 1K | $218.14 | May 24, 2024 |
| Weber Brian P | EVP (CHESI) | SELL | $1M+ | 8K | $199.07 | Mar 28, 2024 |
| MCKIM ALAN S | EXEC CHAIR, CTO. | SELL | $1M+ | 70K | $183.14 | Feb 28, 2024 |
| MCKIM ALAN S | EXEC CHAIR, CTO. | SELL | $1M+ | 17K | $178.37 | Dec 22, 2023 |
| GERSTENBERG ERIC W | CO-CEO | SELL | $1M+ | 8K | $164.82 | Nov 27, 2023 |
| MCKIM ALAN S | EXEC CHAIR, CTO. | SELL | $1M+ | 75K | $164.56 | Nov 20, 2023 |
| Dugas Eric J. | EVP CHIEF FINANCIA… | SELL | $500K+ | 4K | $171.00 | Aug 30, 2023 |
| Speights Robert | PRESIDENT | SELL | $100K–$500K | 2K | $171.03 | Aug 28, 2023 |
| CURTIS GEORGE L | EXEC. VICE PRESIDE… | SELL | $1M+ | 10K | $171.54 | Aug 24, 2023 |
| PRESTON JOHN T | Director | SELL | $100K–$500K | 2K | $173.68 | Aug 17, 2023 |
| Robertson Andrea | Director | SELL | $100K–$500K | 1K | $169.08 | Aug 8, 2023 |
| Battles Michael Louis | CO-CEO | SELL | $1M+ | 10K | $171.00 | Aug 4, 2023 |
| Gabriel Sharon M. | EVP/CIO (CHESI) | SELL | $50K–$100K | 557 | $164.43 | Jul 6, 2023 |
| Speights Robert | PRESIDENT | SELL | $100K–$500K | 825 | $164.43 | Jul 6, 2023 |
| GERSTENBERG ERIC W | CO-CEO | SELL | $1M+ | 10K | $164.43 | Jul 6, 2023 |
| Weber Brian P | EVP (CHESI) | SELL | $100K–$500K | 2K | $164.43 | Jul 6, 2023 |
| MCKIM ALAN S | EXEC CHAIR, CTO. | SELL | $100K–$500K | 1K | $164.43 | Jul 6, 2023 |
| Dugas Eric J. | SVP FINANCE | SELL | $100K–$500K | 898 | $164.43 | Jul 6, 2023 |
| CURTIS GEORGE L | EXEC. VICE PRESIDE… | SELL | $100K–$500K | 717 | $164.43 | Jul 6, 2023 |
| Battles Michael Louis | CO-CEO | SELL | $1M+ | 6K | $164.43 | Jul 6, 2023 |
| Gabriel Sharon M. | EVP/CIO (CHESI) | SELL | $500K+ | 3K | $155.71 | Jun 12, 2023 |
| BANUCCI EUGENE G | Director | SELL | $500K+ | 5K | $156.09 | Jun 12, 2023 |
| Welch John R. | Director | SELL | $100K–$500K | 1K | $150.43 | Jun 5, 2023 |
| BANUCCI EUGENE G | Director | SELL | $1M+ | 10K | $144.59 | May 31, 2023 |
| Weber Brian P | EVP (CHESI) | SELL | $100K–$500K | 3K | $142.63 | May 30, 2023 |
| McDuffie Melkeya | EVP | SELL | $100K–$500K | 714 | $144.29 | May 26, 2023 |
| MCKIM ALAN S | EXEC CHAIR, CTO. | SELL | $1M+ | 70K | $139.15 | May 17, 2023 |
| States Lauren | Director | SELL | $50K–$100K | 510 | $136.13 | May 5, 2023 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 485 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Pictet Asset Management Holding SA | 1.9M | $1M+ | SH |
| STATE STREET CORP | 1.5M | $1M+ | SH |
| Clearbridge Investments, LLC | 1.3M | $1M+ | SH |
| SNYDER CAPITAL MANAGEMENT L P | 1.2M | $1M+ | SH |
| Durable Capital Partners LP | 835K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 741K | $1M+ | SH |
| NORGES BANK | 649K | $1M+ | SH |
| Palestra Capital Management LLC | 570K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 561K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 477K | $1M+ | SH |
| DAVENPORT & Co LLC | 423K | $1M+ | SH |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 339K | $1M+ | SH |
| M.D. Sass, LLC | 334K | $1M+ | SH |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 246K | $1M+ | SH |
| Point72 Asset Management, L.P. | 239K | $1M+ | SH |
| 12th Street Asset Management Company, LLC | 210K | $1M+ | SH |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 173K | $1M+ | SH |
| Neuberger Berman Group LLC | 168K | $1M+ | SH |
| DekaBank Deutsche Girozentrale | 170K | $1M+ | SH |
| Swedbank AB | 150K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 17, 2026
5.2%
2.8M shares
Wellington Management Group LLP
SC 13G/A · Feb 10, 2026
9.7%
5.2M shares
Wellington Management Group LLP
SC 13G/A · May 7, 2025
10.9%
5.8M shares
Wellington Management Group LLP
SC 13G/A · May 7, 2025
9.8%
5.3M shares
SC 13G/A · Nov 14, 2024
3.1%
1.7M shares
SC 13G/A · Feb 14, 2024
5.5%
3.0M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
8.8%
4.8M shares
SC 13G/A · Jan 25, 2024
8.1%
4.4M shares
SC 13G/A · Feb 3, 2023
8.1%
4.4M shares
SC 13G/A · Feb 1, 2022
7.7%
4.2M shares