Ameresco CFO Mark Chiplock Resigns Effective September 25; Company Reiterates FY2026 Guidance
AMRC sits 37% above its 52-week low of $18.375.
Summary
Ameresco announced CFO Mark Chiplock's resignation effective September 25, 2026, to accept a CFO position at a private equity-owned company. The company reiterated its full-year 2026 guidance.
Key Events · Executive and Board Changes · AMRC
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CFO Resignation
Mark Chiplock resigned as EVP, CFO, and Chief Accounting Officer effective September 25, 2026, to accept a CFO position at a private equity-owned company in a different industry. The resignation was not due to any disagreement with the company.
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Guidance Reiterated
Ameresco reiterated full-year 2026 guidance: revenue of $2.0B-$2.2B, Adjusted EBITDA of $250M-$270M, and Non-GAAP EPS of $1.15-$1.35.
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Transition Plan
Chiplock will continue as CFO through September 25, 2026, to support an orderly transition. The company has begun a search for a new CFO.
Analysis · AMRC · Real Estate & Construction
CFO Mark Chiplock is leaving for a private equity-owned company in a different industry. The resignation is not due to any disagreement with the company. Ameresco reiterated its full-year 2026 guidance, which provides stability during the transition. The departure of a CFO is a significant executive change, but the company's strong backlog and reiterated guidance mitigate the impact.
How filings like this one have moved
In the 30 days to Oct 2, 2026, 29.9% of the 1656 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.57%. These are measured outcomes after filings of this importance, not a forecast for this one.
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At the time of this filing, AMRC was trading at $25.26 on NYSE in the Real Estate & Construction sector, with a market capitalization of approximately $1.3B. The 52-week trading range was $18.38 to $44.93. This filing was assessed with neutral market sentiment and an importance score of 7 out of 10.