GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

PRINCIPAL SECURITIES, INC.'s Holding History (CIK: 0000012600)

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

Q3 2025

Shares 8 Value ($000) $1 Avg Close $91.83 Range $79.02 - $106.82

Q1 2025

Shares 14 Value ($000) $2 Avg Close $133.38 Range $91.78 - $163.71

Q4 2024

Shares 14 Value ($000) $2 Avg Close $137.76 Range $124.60 - $153.50

Q3 2024

Shares 14 Value ($000) $2 Avg Close $124.44 Range $107.22 - $136.60

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	8	$1	$91.83	$79.02 - $106.82
Q1 2025	14	$2	$133.38	$91.78 - $163.71
Q4 2024	14	$2	$137.76	$124.60 - $153.50
Q3 2024	14	$2	$124.44	$107.22 - $136.60