Clean Harbors INC Form 4 insider transactions

Clean Harbors President & EVP Facilities, Rebecca Underwood, disposed of 51 shares of common stock to cover tax liabilities related to vesting securities.

Clean Harbors EVP Robert W. Harrison disposed of 16 common shares to cover tax liabilities related to vesting securities.

Clean Harbors EVP Charles H. Geer II disposed of 28 shares of common stock to cover tax liabilities related to vesting securities.

Clean Harbors Co-CEO Eric W. Gerstenberg reported the sale of 601 shares of common stock for $240.9 per share.

Clean Harbors Executive Vice President George L. Curtis reported a charitable gift of 1,000 shares of common stock.

Clean Harbors EVP Robert W. Harrison disposed of 122 shares of common stock to cover tax liabilities related to vested securities.

Clean Harbors director Lauren States reported a charitable gift of 245 shares of common stock.

Clean Harbors EVP Charles H. Geer II reported the disposition of 294 common shares to cover tax liabilities related to vesting securities.

Alan S. McKim, Executive Chairman and CTO of Clean Harbors Inc., gifted a total of 12,850 shares of common stock to associated trusts on September 16, 2025, under a Rule 10b5-1 plan.

Clean Harbors Inc. Director Andrea Robertson reported a charitable gift of 430 common shares.

Clean Harbors Inc. Director Andrea Robertson filed a Form 4 indicating a planned sale of 836 common shares on July 31, 2025, at $233.64 per share.

Clean Harbors Co-CEO Michael Battles purchased 2,000 shares of company common stock for $233.50 per share, totaling $467,000.

Clean Harbors Inc. executive Rebecca Underwood reported the disposition of 1,051 shares of common stock on July 1, 2025, at a price of $229.55 per share, primarily for tax withholding purposes related to equity vesting.

Clean Harbors Co-CEO and Director Michael Battles reported the disposition of 1,532 shares of common stock at $229.55 per share on July 1, 2025, to cover tax liabilities related to the vesting of securities.

Clean Harbors Inc. Co-CEO Eric Gerstenberg reported the disposition of 564 shares of common stock at $229.55 per share to cover tax obligations related to the vesting of securities.

George L. Curtis, Executive Vice President of Clean Harbors Inc., disposed of 399 shares of common stock at $229.55 per share to cover tax liabilities related to vesting securities.

Clean Harbors Inc. EVP/CIO Sharon M. Gabriel disposed of 525 shares of common stock at $229.55 per share to cover tax liabilities related to vesting securities.

Clean Harbors EVP Brian P. Weber reported the disposition of 1,136 shares of common stock on July 1, 2025, at a price of $229.55 per share, primarily for tax liability related to vesting securities.

Clean Harbors, Inc.'s Executive Vice President and Chief Financial Officer, Eric J. Dugas, reported the disposition of 613 shares of common stock for tax liability related to vesting securities.

Clean Harbors' Executive Chairman and CTO, Alan S. McKim, reported the disposition of 1,342 shares of common stock to cover tax liabilities related to the vesting of securities.

Clean Harbors' Executive Vice President, Brian P. Weber, sold 3,035 shares of common stock for approximately $689,400 under a Rule 10b5-1 trading plan.

Clean Harbors Inc. Co-CEO Eric W. Gerstenberg has reported the sale of 8,076 shares of common stock for approximately $1.8 million, according to a recent SEC Form 4 filing.

Clean Harbors' Executive Chair and CTO, Alan S. McKim, reported the sale of 100,000 shares of common stock over two days in early June 2025, generating approximately $22.46 million.

Alison A. Quirk, a Director at Clean Harbors Inc. (CLH), reported the sale of 893 shares of common stock for approximately $200,000.

Clean Harbors' EVP Chief Financial Officer, Eric J. Dugas, reported the disposition of 806 shares of common stock to cover tax liabilities related to the vesting of securities.

Clean Harbors EVP Jeroen Diderich disposed of 1,540 shares of common stock to cover tax liabilities related to the vesting of securities.

Clean Harbors Inc. Director John R. Welch reported the sale of 1,250 shares of common stock for $228.51 per share, totaling approximately $285,637.50, with the transaction not executed under a pre-arranged 10b5-1 plan.

Robert Speights, President of Industrial Services at Clean Harbors Inc. (CLH), has reported the sale of 1,022 shares of common stock for approximately $233,500, executed under a Rule 10b5-1 trading plan.

Clean Harbors Inc. Director Lauren States reported a charitable gift of 130 shares of common stock on May 27, 2025, reducing her beneficial ownership to 11,741 shares.

Clean Harbors, Inc. Director Alison A. Quirk was granted 789 shares of restricted common stock, vesting upon the next annual shareholders' meeting, as part of her compensation.