ARDELYX INC

Ticker: ARDX CUSIP: 039697107 Class: Common Stock

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

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

Q4 2016

Shares 33,306 Value ($000) $473 Avg Close $14.20 Range $10.55 - $16.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	33,306	$473	$14.20	$10.55 - $16.30