SC 13D/A

Beneficial Ownership Report

Birchtech Corp. Filed 2006-01-24 Acc 0001144204-06-002530

Documents 1

SC 13D/A Beneficial Ownership Report , v033640_sc13d.txt

Around this filing

2008-06-04 SC 13D/A Beneficial Ownership Report
2006-01-24 SC 13D/A Beneficial Ownership Report
2006-01-24 4 10% owner sold 10,300 shares at an average $1.82 ($18,743)

Link to a passage

External

SEC EDGAR (opens in new tab)