ProShare Advisors’s Sierra Oncology, Inc. Common Stock SRRA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2016 Q4	–	Sell	-478	Closed	-$35K	–	1760
2016 Q3	$35K	Sell	478 -84	-15%	-$6.15K	﹤0.01%	1448
2016 Q2	$45K	Buy	562 +10	+2%	+$801	﹤0.01%	1556
2016 Q1	$149K	Sell	552 -52	-9%	-$14K	﹤0.01%	1470
2015 Q4	$364K	Buy	+604	New	+$364K	﹤0.01%	1194