CHEMOCENTRYX INC

CUSIP: 16383L106 Class: COMMON STOCK

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

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

Q2 2017
Shares 118,000 Value ($000) $1,104 Avg Close — Range —
Q1 2017
Shares 118,000 Value ($000) $859 Avg Close — Range —