John Welch Biography and Net Worth

Director of Clean Harbors

John R. Welch, an independent Director of the Company since 2014, was until June 2015 a Director (Senior Partner) in the Boston office of McKinsey & Company, an international business consulting firm, and is now a Senior Partner Emeritus. While at McKinsey, he served clients across a variety of industries for 29 years. From 2007 to 2012, he was the Managing Partner of McKinsey’s New England Practice, and from 2001 to 2005 he led the firm’s Strategy Practice. He has written several articles on mergers and acquisitions and capital markets approach to strategy. He was a leader of McKinsey’s internal training program throughout his career and serves on the McKinsey Committee which evaluates and elects partners. Prior to joining McKinsey, Mr. Welch was a project engineer with Hooker Chemical and with Caltex Petroleum and worked in the Municipal Lending Group at Bank of America. Mr. Walsh is also now an adjunct teacher at the Carroll School of Management at Boston College. He holds an MBA from the University of Chicago, where he has completed all his coursework towards a PhD in Finance, and BS and MS degrees in chemical engineering from Cornell University. Mr. Welch brings to the Board his considerable experience in business consulting, operations and finance.

What is John R. Welch's net worth?: The estimated net worth of John R. Welch is at least $2.69 million as of May 28th, 2025. Mr. Welch owns 11,402 shares of Clean Harbors stock worth more than $2,693,529 as of December 4th. This net worth estimate does not reflect any other assets that Mr. Welch may own. Learn More about John R. Welch's net worth.
How do I contact John R. Welch?: The corporate mailing address for Mr. Welch and other Clean Harbors executives is 42 LONGWATER DRIVE, NORWELL MA, 02061. Clean Harbors can also be reached via phone at (781) 792-5000 and via email at [email protected]. Learn More on John R. Welch's contact information.
Has John R. Welch been buying or selling shares of Clean Harbors?: John R. Welch has not been actively trading shares of Clean Harbors during the past quarter. Most recently, John R. Welch sold 1,250 shares of the business's stock in a transaction on Wednesday, May 28th. The shares were sold at an average price of $228.51, for a transaction totalling $285,637.50. Following the completion of the sale, the director now directly owns 11,402 shares of the company's stock, valued at $2,605,471.02. Learn More on John R. Welch's trading history.
Who are Clean Harbors' active insiders?: Clean Harbors' insider roster includes Eugene Banucci (Director), Michael Battles (CFO), George Curtis (VP), Eric Dugas (CAO), Sharon Gabriel (EVP), Eric Gerstenberg (COO), Robert Harrison (EVP), Jeffrey Knapp (EVP), Rod Marlin (Director), Alan McKim (CEO), John Preston (Director), Alison Quirk (Director), Andrea Robertson (Director), Robert Speights (Insider), Lauren States (Director), Michael Twohig (EVP), Brian Weber (EVP), John Welch (Director), and John Welch (Director). Learn More on Clean Harbors' active insiders.
Are insiders buying or selling shares of Clean Harbors?: In the last year, Clean Harbors insiders bought shares 2 times. They purchased a total of 3,050 shares worth more than $667,949.00. In the last year, insiders at the business services provider sold shares 11 times. They sold a total of 19,597 shares worth more than $4,350,248.16. The most recent insider tranaction occured on August, 1st when CEO Michael Louis Battles bought 2,000 shares worth more than $467,000.00. Insiders at Clean Harbors own 5.6% of the company. Learn More about insider trades at Clean Harbors.
Information on this page was last updated on 8/1/2025.

John R. Welch Insider Trading History at Clean Harbors

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
5/28/2025	Sell	1,250	$228.51	$285,637.50	11,402

John R. Welch Buying and Selling Activity at Clean Harbors

Clean Harbors Company Overview

Clean Harbors, Inc. provides environmental and industrial services in the United States and internationally. The company operates through two segments, Environmental Services and Safety-Kleen Sustainability Solutions. The Environmental Services segment collects, transports, treats, and disposes hazardous and non-hazardous waste, such as resource recovery, physical treatment, fuel blending, incineration, landfill disposal, wastewater treatment, lab chemicals disposal, and explosives management services; and offers CleanPack services, including collection, identification, categorization, specialized packaging, transportation, and disposal of laboratory chemicals and household hazardous waste. This segment also provides industrial maintenance and specialty industrial services; and utilizes specialty equipment and resources that performs field services. The Safety-Kleen Sustainability Solutions segment provides pickup and transportation services for hazardous and non-hazardous containerized waste for recycling or disposal; machine cleaning and maintenance, and disposal and replenishment of clean solvent or aqueous fluids; and vacuum services to remove solids, residual oily water, and sludge and other fluids from customers' oil/water separators, sumps, and collection tanks, as well as removes and collects waste fluids found at large and small industrial locations, including metal fabricators, auto maintenance providers, and general manufacturers. This segment also manufactures, formulates, packages, distributes, and markets lubricants and other automotive products. Clean Harbors, Inc. was incorporated in 1980 and is headquartered in Norwell, Massachusetts.

Today's Range

Now: $236.23

$235.25

$238.83

50 Day Range

MA: $224.80

$201.87

$246.44

2 Week Range

Now: $236.23

$178.29

$255.44

Volume

364,331 shs

Average Volume

623,090 shs

Market Capitalization

$12.62 billion

P/E Ratio

32.76

Dividend Yield

N/A

Beta

0.95