COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

O'Brien Wealth Partners LLC's Holding History (CIK: 0001689874)

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

Q3 2025

Shares 93 Value ($000) $86 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 71 Value ($000) $70 Avg Close $990.72 Range $868.14 - $1064.10

Q3 2018

Shares 63 Value ($000) $15 Avg Close $203.13 Range $185.65 - $221.43

Q1 2018

Shares 83 Value ($000) $16 Avg Close $169.26 Range $157.50 - $179.09

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	93	$86	$956.70	$902.01 - $997.89
Q2 2025	71	$70	$990.72	$868.14 - $1064.10
Q3 2018	63	$15	$203.13	$185.65 - $221.43
Q1 2018	83	$16	$169.26	$157.50 - $179.09