GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q3 2021

Shares 27,336 Value ($000) $1,317 Avg Close $55.46 Range $46.32 - $86.35

Q1 2019

Shares 2,000 Value ($000) $157 Avg Close $66.77 Range $50.60 - $83.14

Q3 2018

Shares 84 Value ($000) $5 Avg Close $49.06 Range $36.89 - $70.91

Q4 2017

Shares 4,368 Value ($000) $112 Avg Close $29.76 Range $23.07 - $36.20

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	27,336	$1,317	$55.46	$46.32 - $86.35
Q1 2019	2,000	$157	$66.77	$50.60 - $83.14
Q3 2018	84	$5	$49.06	$36.89 - $70.91
Q4 2017	4,368	$112	$29.76	$23.07 - $36.20