ADURO BIOTECH INC

CUSIP: 00739L101 Class: Common Stock

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

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

Q2 2019
Shares 1,761,421 Value ($000) $2,713 Avg Close — Range —
Q1 2019
Shares 1,939,390 Value ($000) $7,719 Avg Close — Range —