California State Teachers Retirement System (CalSTRS)’s Biostage, Inc. Common Stock BSTG Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2014 Q2	–	Sell	-11,488	Closed	-$104K	–	3129
2014 Q1	$104K	Hold	11,488	–	–	﹤0.01%	2984
2013 Q4	$55K	Buy	+11,488	New	+$55K	﹤0.01%	3005