Form 4: Clean Harbors Co-CEO Sells Over 8,000 Shares Valued at $1.8 Million

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.

Summary

• Eric W. Gerstenberg, Co-CEO of Clean Harbors Inc. (CLH), reported a transaction on June 6, 2025.
• The transaction involved the sale of 8,076 shares of Clean Harbors common stock.
• The shares were sold at a price of $225.23 per share.
• The total value of the shares sold amounts to approximately $1,819,000.
• Following this transaction, Mr. Gerstenberg beneficially owns 51,619 shares of Clean Harbors common stock.
• The transaction was made pursuant to a Rule 10b5-1(c) plan, indicating a pre-arranged sale.

Sentiment

Score: 3

Explanation: The sale of shares by a Co-CEO, while potentially for personal financial planning, is generally interpreted as a negative signal by the market, suggesting a lack of confidence or belief that the stock is fully valued.

Negatives

• The sale of a significant number of shares by a Co-CEO could be perceived negatively by investors, potentially signaling a lack of confidence in the company's near-term stock performance or that the insider believes the stock is fully valued.

Future Outlook

NA

Industry Context

This filing is a standard disclosure of an insider stock transaction. While it doesn't directly relate to broader industry trends, insider sales are often monitored by investors as a signal of management's perspective on the company's valuation relative to its peers in the environmental services and waste management sector.

Stakeholder Impact

• Shareholders may interpret the Co-CEO's share sale as a bearish signal, potentially impacting investor confidence and the company's stock price.

Key Dates

Recommendation

Keywords

Clean Harbors, CLH, Insider Trading, Form 4, Stock Sale, Executive Transaction, Eric W. Gerstenberg, Co-CEO, Securities and Exchange Commission