GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

Glen Eagle Advisors, LLC's Holding History (CIK: 0002029317)

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

Q1 2018

Shares 165 Value ($000) $5 Avg Close $30.28 Range $25.25 - $34.88

Q4 2017

Shares 165 Value ($000) $4 Avg Close $29.76 Range $23.07 - $36.20

Q3 2017

Shares 260 Value ($000) $9 Avg Close $37.97 Range $30.22 - $43.49

Q2 2017

Shares 100 Value ($000) $4 Avg Close $43.08 Range $36.51 - $52.48

Q1 2017

Shares 100 Value ($000) $5 Avg Close $43.59 Range $33.18 - $52.49

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	165	$5	$30.28	$25.25 - $34.88
Q4 2017	165	$4	$29.76	$23.07 - $36.20
Q3 2017	260	$9	$37.97	$30.22 - $43.49
Q2 2017	100	$4	$43.08	$36.51 - $52.48
Q1 2017	100	$5	$43.59	$33.18 - $52.49