PHASERX INC

Ticker: PZRXQ CUSIP: 71723F103 Class: COM

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q4 2016

Shares 200,000 Value ($000) $310 Avg Close $1.63 Range $0.96 - $3.30

Q3 2016

Shares 200,000 Value ($000) $514 Avg Close $3.26 Range $2.20 - $4.40

Q2 2016

Shares 200,000 Value ($000) $852 Avg Close $4.94 Range $3.61 - $5.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	200,000	$310	$1.63	$0.96 - $3.30
Q3 2016	200,000	$514	$3.26	$2.20 - $4.40
Q2 2016	200,000	$852	$4.94	$3.61 - $5.77