Kaye David M - Insider Non-Derivative Transactions at Birchtech Corp. (BCHT) - (SEC)

Updated on March 12, 2026.

According to recent SEC insider information filed on Dec 12, 2025, Kaye David M's relationship to Birchtech Corp. (BCHT) is Director, and currently has 525,356 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other BCHT insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Kaye David M - Insider Non-Derivative Transactions of BCHT Common Stock

Kaye David M - Insider Non-Derivative Transactions at BCHT

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 13, 2025	F -- (Common Stock)	155214	0.93	370142
Dec 13, 2025	M -- (Common Stock)	250000	0.58	525356