4/A

Changes in Ownership

Birchtech Corp. Filed 2013-07-19 Acc 0000945836-13-000016

Director sold 305,500 shares at an average $0.51 ($156,340)

From the SEC's structured data for this filing

Trades in this filing

Insider	Date	Transaction	Shares	Price	Value	Owned after	D/I
MacPherson Richard Director	2013-03-19	Sale	−55,500	$0.88	$48,840	17,569,061	I
MacPherson Richard Director	2013-03-19	Sale	−250,000	$0.43	$107,500	17,319,061	I
Open-market sales · 305,500 sh · avg $0.51 · $156,340