GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

Harrington Investments, INC's Holding History (CIK: 0001386364)

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

Q3 2018

Shares 100 Value ($000) $6 Avg Close $49.06 Range $36.89 - $70.91

Q2 2018

Shares 100 Value ($000) $4 Avg Close $35.57 Range $26.75 - $45.00

Q1 2018

Shares 100 Value ($000) $3 Avg Close $30.28 Range $25.25 - $34.88

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	100	$6	$49.06	$36.89 - $70.91
Q2 2018	100	$4	$35.57	$26.75 - $45.00
Q1 2018	100	$3	$30.28	$25.25 - $34.88