COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Wealth Architects, LLC's Holding History (CIK: 0001611518)

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

Q4 2025

Shares 1,280 Value ($000) $1,104 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 1,376 Value ($000) $1,274 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 1,388 Value ($000) $1,374 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 1,488 Value ($000) $1,408 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 1,291 Value ($000) $1,183 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 1,341 Value ($000) $1,189 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 1,215 Value ($000) $1,033 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 1,329 Value ($000) $974 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 1,402 Value ($000) $925 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 1,297 Value ($000) $733 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 991 Value ($000) $534 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 791 Value ($000) $393 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 788 Value ($000) $360 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 835 Value ($000) $394 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 830 Value ($000) $398 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 850 Value ($000) $489 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 836 Value ($000) $475 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 879 Value ($000) $395 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 841 Value ($000) $333 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 881 Value ($000) $311 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 842 Value ($000) $317 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 833 Value ($000) $296 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 833 Value ($000) $253 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 877 Value ($000) $250 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 799 Value ($000) $235 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 755 Value ($000) $218 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 950 Value ($000) $251 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 920 Value ($000) $223 Avg Close $198.35 Range $180.94 - $220.09

Q3 2018

Shares 909 Value ($000) $214 Avg Close $203.13 Range $185.65 - $221.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,280	$1,104	$905.73	$844.06 - $962.64
Q3 2025	1,376	$1,274	$956.70	$902.01 - $997.89
Q2 2025	1,388	$1,374	$990.72	$868.14 - $1064.10
Q1 2025	1,488	$1,408	$970.56	$877.95 - $1073.82
Q4 2024	1,291	$1,183	$922.64	$861.51 - $1003.02
Q3 2024	1,341	$1,189	$861.91	$787.84 - $917.81
Q2 2024	1,215	$1,033	$773.82	$690.64 - $867.04
Q1 2024	1,329	$974	$706.75	$633.49 - $779.59
Q4 2023	1,402	$925	$573.49	$521.47 - $661.25
Q3 2023	1,297	$733	$532.21	$505.45 - $552.31
Q2 2023	991	$534	$487.14	$459.09 - $519.84
Q1 2023	791	$393	$471.27	$429.88 - $509.61
Q4 2022	788	$360	$468.77	$430.19 - $520.75
Q3 2022	835	$394	$498.08	$444.08 - $541.06
Q2 2022	830	$398	$484.91	$388.78 - $584.62
Q1 2022	850	$489	$500.83	$447.15 - $559.84
Q4 2021	836	$475	$488.10	$415.17 - $544.86
Q3 2021	879	$395	$418.22	$374.22 - $447.84
Q2 2021	841	$333	$359.04	$333.36 - $380.48
Q1 2021	881	$311	$329.77	$291.05 - $361.01
Q4 2020	842	$317	$347.39	$324.71 - $367.18
Q3 2020	833	$296	$309.06	$276.17 - $334.67
Q2 2020	833	$253	$279.18	$257.36 - $295.59
Q1 2020	877	$250	$277.78	$248.54 - $298.00
Q4 2019	799	$235	$271.52	$256.90 - $280.77
Q3 2019	755	$218	$256.34	$238.19 - $280.38
Q2 2019	950	$251	$226.60	$212.14 - $244.81
Q1 2019	920	$223	$198.35	$180.94 - $220.09
Q3 2018	909	$214	$203.13	$185.65 - $221.43