GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

Aureus Asset Management, LLC's Holding History (CIK: 0001381296)

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

Q1 2021

Shares 5,465 Value ($000) $459 Avg Close $87.94 Range $69.89 - $99.00

Q4 2020

Shares 5,465 Value ($000) $411 Avg Close $63.20 Range $48.68 - $76.20

Q3 2020

Shares 5,465 Value ($000) $271 Avg Close $43.94 Range $35.65 - $52.03

Q2 2020

Shares 5,751 Value ($000) $221 Avg Close $37.23 Range $27.58 - $47.82

Q4 2019

Shares 11,351 Value ($000) $618 Avg Close $60.84 Range $53.53 - $66.70

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	5,465	$459	$87.94	$69.89 - $99.00
Q4 2020	5,465	$411	$63.20	$48.68 - $76.20
Q3 2020	5,465	$271	$43.94	$35.65 - $52.03
Q2 2020	5,751	$221	$37.23	$27.58 - $47.82
Q4 2019	11,351	$618	$60.84	$53.53 - $66.70