Entity Information

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Economic entity name	Biostage, Inc.
CIK	0001563665
Accession number	0001144204-17-015232
Generator	DataTracks
SEC filing page	http://www.sec.gov/Archives/edgar/data/1563665/000114420417015232/0001144204-17-015232-index.htm
XBRL Instance	http://www.sec.gov/Archives/edgar/data/1563665/000114420417015232/bstg-20161231.xml
XBRL Cloud Viewer	https://edgardashboard.xbrlcloud.com/flex/viewer/XBRLViewer.html#instance=http://www.sec.gov/Archives/edgar/data/1563665/000114420417015232/bstg-20161231.xml