Corporate Board Profile
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