STEPHEN E. PIRNAT

Corporate Board Profile

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AZZ INC

Filing Date Source Excerpt
2015-05-28 Mr. Pirnat currently serves as the chief executive officer of ClearSign Combustion Corporation.
2016-05-23 Mr. Pirnat currently serves as the chairman and chief executive officer of ClearSign Combustion Corporation.
2017-05-24 Stephen E. Pirnat has served as a member of the Board of Directors of ClearSign Combustion Corporation.
2018-05-25 Stephen E. Pirnat became a director of ClearSign Combustion Inc. and has extensive experience in providing infrastructure solutions.
2019-05-28 Stephen E. Pirnat formerly served as Chairman and Chief Executive Officer of ClearSign Combustion Inc.

Data sourced from SEC filings. Last updated: 2025-04-15