CHEMOCENTRYX INC

CUSIP: 01683L106 Class: COM

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

Note: Option positions (PUT/CALL) are excluded.

Q4 2016
Shares 118,000 Value ($000) $873 Avg Close — Range —
Q3 2016
Shares 178,000 Value ($000) $1,075 Avg Close — Range —