Azenta CEO John Marotta Resigns; Board Director Dr. Martin Madaus Named Interim CEO
AZTA has more than doubled off its 52-week low of $15.93.
Summary
Azenta's CEO John Marotta resigned effective August 22, 2026, and board director Dr. Martin Madaus was named interim CEO. The company reaffirmed Q4 revenue guidance but expects a one-time ~$3 million consulting expense to hit adjusted EBITDA.
Key Events · Executive and Board Changes · AZTA
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CEO Resignation
John P. Marotta resigned as President, CEO, and board member effective August 22, 2026. The filing states the resignation was not due to any disagreement on operations, policies, or practices.
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Interim CEO Appointment
Dr. Martin D. Madaus, a board member since January 2024 and Carlyle Group senior operating executive, was elected Interim President and CEO effective the same date. He will step down as Chair of the Nominating and Governance Committee during his interim service.
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Permanent CEO Search Underway
The Board retained Heidrick & Struggles to conduct the search for a permanent CEO. Dr. Madaus's interim compensation is still under review.
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Q4 Guidance Reaffirmed
The company reaffirmed its Q4 FY2026 total revenue guidance previously issued August 4, 2026. Adjusted EBITDA will include a one-time ~$3 million consulting expense; excluding that charge, adjusted EBITDA guidance would also be reaffirmed.
Analysis · AZTA · Technology
Azenta's President and CEO John Marotta resigned effective August 22, 2026, and the Board immediately appointed Dr. Martin Madaus — a current director and Carlyle Group senior operating executive — as interim CEO. The filing states the resignation was not due to any disagreement on operations, policies, or practices. The Board has retained Heidrick & Struggles to run a permanent CEO search. The company also reaffirmed its Q4 FY2026 total revenue guidance issued August 4, 2026, while flagging a one-time ~$3 million consulting expense that will reduce Q4 adjusted EBITDA. A sudden CEO departure at a company still working through material weaknesses in internal controls adds leadership uncertainty, though the appointment of an experienced industry veteran with deep board familiarity and the reaffirmed revenue guidance soften the impact.
How filings like this one have moved
In the 30 days to Aug 24, 2026, 29.4% of the 2796 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.03%. 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, AZTA was trading at $36.90 on NASDAQ in the Technology sector, with a market capitalization of approximately $1.6B. The 52-week trading range was $15.93 to $41.73. This filing was assessed with neutral market sentiment and an importance score of 7 out of 10.