PHASERX INC

Ticker: PZRXQ CUSIP: 71723F103 Class: COM

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q3 2017

Shares 74,704 Value ($000) $61 Avg Close $0.75 Range $0.54 - $1.55

Q2 2017

Shares 142,182 Value ($000) $135 Avg Close $1.18 Range $0.90 - $1.95

Q1 2017

Shares 136,682 Value ($000) $206 Avg Close $1.55 Range $1.28 - $1.94

Q4 2016

Shares 130,282 Value ($000) $202 Avg Close $1.63 Range $0.96 - $3.30

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	74,704	$61	$0.75	$0.54 - $1.55
Q2 2017	142,182	$135	$1.18	$0.90 - $1.95
Q1 2017	136,682	$206	$1.55	$1.28 - $1.94
Q4 2016	130,282	$202	$1.63	$0.96 - $3.30