GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

GLOBEFLEX CAPITAL L P's Holding History (CIK: 0000921531)

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

Q4 2016

Shares 22,410 Value ($000) $769 Avg Close $34.23 Range $28.72 - $39.02

Q3 2016

Shares 23,080 Value ($000) $871 Avg Close $33.09 Range $28.26 - $39.82

Q2 2016

Shares 7,240 Value ($000) $211 Avg Close $23.15 Range $16.26 - $30.01

Q1 2016

Shares 7,240 Value ($000) $122 Avg Close $17.34 Range $14.25 - $25.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	22,410	$769	$34.23	$28.72 - $39.02
Q3 2016	23,080	$871	$33.09	$28.26 - $39.82
Q2 2016	7,240	$211	$23.15	$16.26 - $30.01
Q1 2016	7,240	$122	$17.34	$14.25 - $25.97