CESAR CHATEL

Corporate Board Profile

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Birchtech Corp.

Filing Date Source Excerpt
2006-06-09 Cesar Chatel 2,120,708 (7) 5.7% Mr. Chatel has granted Mr. Rifkin an irrevocable proxy to vote the shares of common stock owned by Mr. Chatel for certain directors.

Data sourced from SEC filings. Last updated: 2025-10-11