CHIMERIX INC

CUSIP: 16934W106 Class: Common Stock

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

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

Q4 2016
Shares 1,415,687 Value ($000) $6,512 Avg Close — Range —
Q3 2016
Shares 598,062 Value ($000) $3,313 Avg Close — Range —