Form 4: Clean Harbors Executive Disposes of Shares for Tax Obligations

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.

Summary

• Sharon M. Gabriel, EVP/CIO of Clean Harbors Inc. (CLH), reported a transaction involving the company's common stock.
• On July 1, 2025, Gabriel disposed of 525 shares of Clean Harbors common stock.
• The shares were disposed of at a price of $229.55 per share.
• This transaction was coded as 'F', indicating the payment of tax liability through the withholding of securities, which is incident to the vesting of securities and in accordance with Rule 16b3.
• Following this transaction, Gabriel beneficially owns 27,766 shares of Clean Harbors common stock directly.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary disposal of shares for tax purposes related to vesting equity, which is a neutral event and does not indicate positive or negative sentiment regarding the company's performance or outlook.

Future Outlook

NA

Industry Context

This Form 4 filing is a routine disclosure of an insider transaction for tax purposes and does not provide broader industry context or trends.

Stakeholder Impact

• Minimal direct impact on shareholders as this is a routine, non-discretionary transaction for tax purposes by an executive, not a sale driven by a change in outlook.

Key Dates

Keywords

Clean Harbors, CLH, SEC Form 4, Insider Transaction, Stock Disposal, Tax Withholding, Executive Compensation, Sharon M. Gabriel