Form 4: Ameresco CFO Executes Option-Related Stock Sales

Ameresco's EVP, CFO & CAO, Mark Chiplock, exercised stock options and subsequently sold an equivalent number of Class A Common Stock shares under a Rule 10b5-1 trading plan.

Summary

• Mark Chiplock, Executive Vice President, Chief Financial Officer, and Chief Administrative Officer of Ameresco, Inc. (AMRC), reported transactions on October 9 and October 13, 2025.
• He acquired a total of 23,899 shares of Class A Common Stock by exercising stock options at prices of $13.37 and $12.35 per share.
• Concurrently, he disposed of 23,899 shares of Class A Common Stock through sales at weighted average prices ranging from $39.72 to $44.92.
• All sales were conducted pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on June 5, 2025.
• Following these transactions, Chiplock's direct beneficial ownership of Class A Common Stock is 1,189 shares.
• His beneficial ownership of derivative securities (stock options) decreased from 58,596 to 28,597 due to the exercises.

Sentiment

Score: 6

Explanation: The sentiment is neutral to slightly positive. While significant insider selling occurred, it was executed under a pre-arranged Rule 10b5-1 trading plan, which mitigates concerns about opportunistic selling. The executive realized substantial profits from exercising options at much lower prices than the sale prices.

Positives

• The executive realized substantial profits by exercising options at significantly lower prices ($12.35 $13.37) compared to the sale prices ($39.72 $44.92).
• The sales were executed under a Rule 10b5-1 trading plan, indicating a pre-planned, non-discretionary transaction, which can mitigate concerns about opportunistic insider selling.

Negatives

• The significant reduction in the executive's direct beneficial ownership of Class A Common Stock (from 23,899 shares acquired to a final holding of 1,189 shares after sales) could be perceived negatively by some investors.

Future Outlook

NA

Industry Context

This filing reports routine insider transactions and does not provide specific information to analyze broader industry trends or competitive positioning.

Stakeholder Impact

• Shareholders: May view the insider selling with mixed feelings; some may see it as a negative signal, while others may understand it as a planned liquidity event and a realization of vested equity.

Key Dates

Recommendation

While the CFO realized significant profits from option exercises and sales, the substantial reduction in direct beneficial ownership of common stock, even under a 10b5-1 plan, warrants a 'hold' recommendation. Investors should monitor future insider activity and company performance for clearer directional signals.

Keywords

Ameresco, AMRC, insider trading, Form 4, stock options, executive compensation, Rule 10b5-1, Mark Chiplock