• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
PublishGo to App
    Quantisnow Logo

    © 2026 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEWLLM Arena
    Legal
    Terms of usePrivacy policyCookie policy

    SEC Form SC 13G/A filed by Clean Harbors Inc. (Amendment)

    2/13/24 5:02:31 PM ET
    $CLH
    Environmental Services
    Industrials
    Get the next $CLH alert in real time by email
    SC 13G/A 1 tv0619-cleanharborsinc.htm SCHEDULE 13G/A cleanharborsinc

    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    Schedule 13G

    Under the Securities Exchange Act of 1934
    (Amendment No.: 11)*

    Name of issuer:  Clean Harbors Inc

    Title of Class of Securities:  Common Stock

    CUSIP Number:  184496107

    Date of Event Which Requires Filing of this Statement: December 29, 2023

    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

    ☒ Rule 13d-1(b)

    ☐ Rule 13d-1(c)

    ☐ Rule 13d-1(d)

    *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

    The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

    (Continued on the following page(s))

     

     

    13G

    CUSIP No.:  184496107

    1.  NAME OF REPORTING PERSON
    I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    The Vanguard Group - 23-1945930

    2.  CHECK THE APPROPRIATE [LINE] IF A MEMBER OF A GROUP

    A. 

    B.  X

    3.  SEC USE ONLY

    4.  CITIZENSHIP OF PLACE OF ORGANIZATION

    Pennsylvania

    (For questions 5-8, report the number of shares beneficially owned by each reporting person with:)

    5.  SOLE VOTING POWER

    0

    6.  SHARED VOTING POWER

    17,775

    7.  SOLE DISPOSITIVE POWER

    4,706,995

    8.  SHARED DISPOSITIVE POWER

    72,077

    9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    4,779,072

    10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

    N/A

    11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    8.84%

    12.  TYPE OF REPORTING PERSON

    IA

     

     

    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    Schedule 13G
    Under the Securities Act of 1934

    Item 1(a) - Name of Issuer:

    Clean Harbors Inc

    Item 1(b) - Address of Issuer's Principal Executive Offices:

    42 Longwater Drive
    Norwell, MA 02061-9149

    Item 2(a) - Name of Person Filing:

    The Vanguard Group - 23-1945930

    Item 2(b) – Address of Principal Business Office or, if none, residence:

    100 Vanguard Blvd.
    Malvern, PA 19355

    Item 2(c) – Citizenship:

    Pennsylvania

    Item 2(d) - Title of Class of Securities:

    Common Stock

    Item 2(e) - CUSIP Number

    184496107

    Item 3 - Type of Filing:

    This statement is being filed pursuant to Rule 13d-1.  An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E).

    Item 4 - Ownership:

      (a) Amount Beneficially Owned:

      (b) Percent of Class:

     

     

    (c)  Number of shares as to which such person has:

    (i)  sole power to vote or direct to vote:  

    (ii)  shared power to vote or direct to vote:  

    (iii)  sole power to dispose of or to direct the disposition of:  

    (iv)  shared power to dispose or to direct the disposition of:  

    Comments:

    The responses to questions 5 through 9 and 11 on the cover page(s) are incorporated by reference into this Item 4.  

    Item 5 - Ownership of Five Percent or Less of a Class:

    If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following ☐

    Item 6 - Ownership of More Than Five Percent on Behalf of Another Person:

    The Vanguard Group, Inc.'s clients, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein.

    No one other person's interest in the securities reported herein is more than 5%.

    Item 7 - Identification and Classification of the Subsidiary Which Acquired The Security Being Reported on by the Parent Holding Company:

    Not applicable

    Item 8 - Identification and Classification of Members of Group:

    Not applicable

    Item 9 - Notice of Dissolution of Group:

    Not applicable

    Item 10 - Certification:

    By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under §240.14a-11.

    Signature

    After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

    Date:  February 13, 2024

    By /s/ Ashley Grim
    Name: Ashley Grim
    Title:  Head of Global Fund Administration

    Get the next $CLH alert in real time by email

    Crush Q1 2026 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $CLH

    DatePrice TargetRatingAnalyst
    5/29/2026$337.00Buy
    Stifel
    4/8/2026$346.00Neutral → Buy
    Citigroup
    12/10/2025$263.00Neutral
    Citigroup
    11/24/2025$228.00Neutral
    Goldman
    11/14/2025Equal Weight
    Wells Fargo
    9/19/2025$253.00Equal Weight
    Barclays
    12/6/2024$325.00Buy
    TD Cowen
    12/19/2023$180.00 → $206.00Buy
    Stifel
    More analyst ratings

    $CLH
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    EVP&President of Sales&Service Diderich Jeroen covered exercise/tax liability with 1,717 shares, decreasing direct ownership by 10% to 16,152 units (SEC Form 4)

    4 - CLEAN HARBORS INC (0000822818) (Issuer)

    6/3/26 3:35:59 PM ET
    $CLH
    Environmental Services
    Industrials

    Director States Lauren sold $225,804 worth of shares (789 units at $286.19), decreasing direct ownership by 6% to 11,359 units (SEC Form 4)

    4 - CLEAN HARBORS INC (0000822818) (Issuer)

    5/27/26 7:59:57 AM ET
    $CLH
    Environmental Services
    Industrials

    Director Willett Robert was granted 652 shares, increasing direct ownership by 7% to 10,028 units (SEC Form 4)

    4 - CLEAN HARBORS INC (0000822818) (Issuer)

    5/22/26 11:53:00 AM ET
    $CLH
    Environmental Services
    Industrials

    $CLH
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    Clean Harbors to Participate in Upcoming Investor Conferences

    Clean Harbors, Inc. ("Clean Harbors") (NYSE:CLH), the leading provider of environmental and industrial services throughout North America, today announced that senior management will participate in fireside chats at the following events. Event: 16th Annual Wells Fargo Industrials & Materials Conference Date: Tuesday, June 9, 2026 Time: 2:30 p.m. EDT Event: Stifel 2026 Investor Summit Date: Wednesday, June 10, 2026 Time: 11:30 a.m. EDT Clean Harbors will webcast these events. To access the live or archived webcast, visit the "Investor Relations" portion of Clean Harbors' website at www.cleanharbors.com. About Clean Harbors Clean Harbors (NYSE:CLH) is North America's leading provider

    5/27/26 8:30:00 AM ET
    $CLH
    Environmental Services
    Industrials

    Clean Harbors Announces Retirement of Founder and Executive Chairman Alan S. McKim

    Clean Harbors, Inc. ("Clean Harbors" or the "Company") (NYSE:CLH) today announced that its Founder and Executive Chairman, Alan S. McKim, has informed the Board of Directors of his intention to retire from the Board and his role as Chief Technology Officer upon the Board appointing a new Chair. The Board expects to appoint an independent Chair later this summer as part of a planned leadership transition. McKim founded Clean Harbors in 1980 and served as Chairman and Chief Executive Officer until 2023, when he transitioned to the role of Executive Chairman and Chief Technology Officer. Under his leadership, Clean Harbors has grown into North America's leading provider of environmental and

    5/20/26 8:30:00 AM ET
    $CLH
    Environmental Services
    Industrials

    Clean Harbors Announces Acquisition of Terra Nova Solutions

    $225 Million All-Cash Acquisition Adds Regional Hazardous and Non-Hazardous Waste Services Provider with Permitted Assets Transaction Enhances Technical Services and Field Services Businesses Expects ~$4 Million of Annual Synergies, Resulting in Implied Post-Synergy Multiple of 11.8x Clean Harbors, Inc. ("Clean Harbors" or the "Company") (NYSE:CLH), the leading provider of environmental and industrial services throughout North America, today announced the acquisition of Terra Nova Solutions, a regional provider of hazardous and non-hazardous waste solutions for $225 million, which the Company plans to fund with available cash. Based in the Carolinas, Terra Nova operates five sit

    5/14/26 8:30:00 AM ET
    $CLH
    Environmental Services
    Industrials

    $CLH
    Insider Purchases

    Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Amendment: Director Polito Karyn bought $135,760 worth of shares (460 units at $295.13), increasing direct ownership by 15% to 3,475 units (SEC Form 4)

    4/A - CLEAN HARBORS INC (0000822818) (Issuer)

    5/14/26 10:12:47 AM ET
    $CLH
    Environmental Services
    Industrials

    CO-CEO Battles Michael Louis bought $467,000 worth of shares (2,000 units at $233.50), increasing direct ownership by 2% to 82,911 units (SEC Form 4)

    4 - CLEAN HARBORS INC (0000822818) (Issuer)

    8/4/25 2:59:43 PM ET
    $CLH
    Environmental Services
    Industrials

    EVP CHIEF FINANCIAL OFFICER Dugas Eric J. bought $200,949 worth of shares (1,050 units at $191.38), increasing direct ownership by 5% to 24,238 units (SEC Form 4)

    4 - CLEAN HARBORS INC (0000822818) (Issuer)

    3/11/25 11:21:56 AM ET
    $CLH
    Environmental Services
    Industrials

    $CLH
    SEC Filings

    View All

    $CLH
    Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

    View All

    Clean Harbors Inc. filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits

    8-K - CLEAN HARBORS INC (0000822818) (Filer)

    5/20/26 4:41:59 PM ET
    $CLH
    Environmental Services
    Industrials

    Clean Harbors Inc. filed SEC Form 8-K: Leadership Update, Regulation FD Disclosure, Financial Statements and Exhibits

    8-K - CLEAN HARBORS INC (0000822818) (Filer)

    5/20/26 4:34:52 PM ET
    $CLH
    Environmental Services
    Industrials

    Amendment: SEC Form SCHEDULE 13G/A filed by Clean Harbors Inc.

    SCHEDULE 13G/A - CLEAN HARBORS INC (0000822818) (Subject)

    5/15/26 7:24:39 AM ET
    $CLH
    Environmental Services
    Industrials

    Stifel resumed coverage on Clean Harbors with a new price target

    Stifel resumed coverage of Clean Harbors with a rating of Buy and set a new price target of $337.00

    5/29/26 8:12:23 AM ET
    $CLH
    Environmental Services
    Industrials

    Clean Harbors upgraded by Citigroup with a new price target

    Citigroup upgraded Clean Harbors from Neutral to Buy and set a new price target of $346.00

    4/8/26 8:22:11 AM ET
    $CLH
    Environmental Services
    Industrials

    Citigroup initiated coverage on Clean Harbors with a new price target

    Citigroup initiated coverage of Clean Harbors with a rating of Neutral and set a new price target of $263.00

    12/10/25 8:27:26 AM ET
    $CLH
    Environmental Services
    Industrials

    $CLH
    Leadership Updates

    Live Leadership Updates

    View All

    Clean Harbors Announces Retirement of Founder and Executive Chairman Alan S. McKim

    Clean Harbors, Inc. ("Clean Harbors" or the "Company") (NYSE:CLH) today announced that its Founder and Executive Chairman, Alan S. McKim, has informed the Board of Directors of his intention to retire from the Board and his role as Chief Technology Officer upon the Board appointing a new Chair. The Board expects to appoint an independent Chair later this summer as part of a planned leadership transition. McKim founded Clean Harbors in 1980 and served as Chairman and Chief Executive Officer until 2023, when he transitioned to the role of Executive Chairman and Chief Technology Officer. Under his leadership, Clean Harbors has grown into North America's leading provider of environmental and

    5/20/26 8:30:00 AM ET
    $CLH
    Environmental Services
    Industrials

    Miller Environmental Group Appoints Robb Schreck as Chief Executive Officer

    Seasoned Executive with 30 Years of Experience to Lead the Company's Next Phase of Growth CALVERTON, N.Y., March 31, 2025 /PRNewswire/ -- Miller Environmental Group, Inc. ("Miller" or the "Company"), a leading provider of essential waste, industrial and environmental services across the United States, today announced the appointment of Robb Schreck as Chief Executive Officer and a member of the Board of Directors. Mr. Schreck succeeds Rudy Streng, who is transitioning to a new role as Senior Advisor to the CEO where he will collaborate with Mr. Schreck on strategic growth initiatives. Mr. Schreck brings over 30 years of experience leading growth strategies and driving operational excellence

    3/31/25 4:15:00 PM ET
    $CLH
    Environmental Services
    Industrials

    Trex Company Appoints Human Resources Leader Melkeya McDuffie to its Board of Directors

    Trex Company, Inc. (NYSE:TREX), the world's #1 brand of high-performance, low-maintenance and eco-friendly composite decking, railing and outdoor living products, announced today the appointment of human resources executive Melkeya McDuffie as a new independent member of its Board of Directors effective immediately. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20230424005212/en/Trex Company Appoints Human Resources Leader Melkeya McDuffie to its Board of Directors (Photo: Business Wire) Ms. McDuffie is an accomplished executive and leader with a long career in human capital and general business management. She is currently Execu

    4/24/23 9:00:00 AM ET
    $CLH
    $TREX
    Environmental Services
    Industrials
    Forest Products
    Basic Materials

    $CLH
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    Amendment: SEC Form SC 13G/A filed by Clean Harbors Inc.

    SC 13G/A - CLEAN HARBORS INC (0000822818) (Subject)

    11/14/24 4:20:57 PM ET
    $CLH
    Environmental Services
    Industrials

    SEC Form SC 13G/A filed by Clean Harbors Inc. (Amendment)

    SC 13G/A - CLEAN HARBORS INC (0000822818) (Subject)

    2/14/24 4:19:55 PM ET
    $CLH
    Environmental Services
    Industrials

    SEC Form SC 13G/A filed by Clean Harbors Inc. (Amendment)

    SC 13G/A - CLEAN HARBORS INC (0000822818) (Subject)

    2/13/24 5:02:31 PM ET
    $CLH
    Environmental Services
    Industrials

    $CLH
    Financials

    Live finance-specific insights

    View All

    Clean Harbors Announces Acquisition of Terra Nova Solutions

    $225 Million All-Cash Acquisition Adds Regional Hazardous and Non-Hazardous Waste Services Provider with Permitted Assets Transaction Enhances Technical Services and Field Services Businesses Expects ~$4 Million of Annual Synergies, Resulting in Implied Post-Synergy Multiple of 11.8x Clean Harbors, Inc. ("Clean Harbors" or the "Company") (NYSE:CLH), the leading provider of environmental and industrial services throughout North America, today announced the acquisition of Terra Nova Solutions, a regional provider of hazardous and non-hazardous waste solutions for $225 million, which the Company plans to fund with available cash. Based in the Carolinas, Terra Nova operates five sit

    5/14/26 8:30:00 AM ET
    $CLH
    Environmental Services
    Industrials

    Clean Harbors Announces First-Quarter 2026 Financial Results

    Delivers Highest Q1 Revenue in Company's History at $1.46 Billion Generates Q1 Net Income of $63.2 Million, or EPS of $1.19 Achieves 6% Growth in Q1 Adjusted EBITDA to $247.9 Million; Expands Adjusted EBITDA Margin YoY by 60 Basis Points Raises 2026 Guidance for Adjusted EBITDA and Adjusted Free Cash Flow Clean Harbors, Inc. ("Clean Harbors" or the "Company") (NYSE:CLH), the leading provider of environmental and industrial services throughout North America, today announced financial results for the first quarter ended March 31, 2026. "We began 2026 with better-than-expected first-quarter results, including higher profitability in both of our operating segments," said Eric Ger

    5/6/26 7:30:00 AM ET
    $CLH
    Environmental Services
    Industrials

    Clean Harbors to Announce First-Quarter 2026 Financial Results on May 6

    Clean Harbors, Inc. (NYSE:CLH), the leading provider of environmental and industrial services throughout North America, will host its first-quarter 2026 financial results conference call on Wednesday, May 6, 2026, at 9:00 a.m. ET. On the call, Co-Chief Executive Officers Michael L. Battles and Eric W. Gerstenberg, Chief Financial Officer Eric J. Dugas, and Senior Vice President of Investor Relations Jim Buckley will discuss Clean Harbors' financial results, business outlook and growth strategy. Those who wish to listen to the conference call webcast should visit the Investor Relations section of the Company's website at www.cleanharbors.com. The live call also can be accessed by dialing

    4/15/26 8:30:00 AM ET
    $CLH
    Environmental Services
    Industrials