CORVUS PHARMACEUTICALS INC

Ticker: CRVS CUSIP: 221015100 Class: Common Stock

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q1 2017

Shares 31,225 Value ($000) $649 Avg Close $15.66 Range $13.06 - $22.14

Q4 2016

Shares 21,292 Value ($000) $304 Avg Close $15.21 Range $13.01 - $17.33

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	31,225	$649	$15.66	$13.06 - $22.14
Q4 2016	21,292	$304	$15.21	$13.01 - $17.33