SC 13D/A

Beneficial Ownership Report

Birchtech Corp. Filed 2016-03-07 Acc 0001493152-16-007838

Documents 1

SC 13D/A Beneficial Ownership Report , sc13da.htm

Around this filing

2016-06-16 SC 13D/A Beneficial Ownership Report
2016-03-07 SC 13D/A Beneficial Ownership Report
2016-03-02 4 Options or other derivatives
2016-02-08 SC 13D/A Beneficial Ownership Report

Link to a passage

External

SEC EDGAR (opens in new tab)