GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

MARK SHEPTOFF FINANCIAL PLANNING, LLC's Holding History (CIK: 0001607355)

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

Q4 2017

Shares 1,700 Value ($000) $44 Avg Close $29.76 Range $23.07 - $36.20

Q3 2017

Shares 1,200 Value ($000) $40 Avg Close $37.97 Range $30.22 - $43.49

Q2 2017

Shares 1,000 Value ($000) $41 Avg Close $43.08 Range $36.51 - $52.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	1,700	$44	$29.76	$23.07 - $36.20
Q3 2017	1,200	$40	$37.97	$30.22 - $43.49
Q2 2017	1,000	$41	$43.08	$36.51 - $52.48