COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

TRUST CO OF OKLAHOMA's Holding History (CIK: 0001083323)

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

Q4 2025

Shares 8,421 Value ($000) $7,262 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 8,465 Value ($000) $7,835 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 8,453 Value ($000) $8,368 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 8,709 Value ($000) $8,237 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 8,871 Value ($000) $8,128 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 8,924 Value ($000) $7,911 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 8,701 Value ($000) $7,396 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 8,841 Value ($000) $6,477 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 8,818 Value ($000) $5,821 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 9,101 Value ($000) $5,142 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 9,276 Value ($000) $4,994 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 9,364 Value ($000) $4,653 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 9,504 Value ($000) $4,339 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 8,477 Value ($000) $4,003,433 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 8,712 Value ($000) $4,175,487 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 8,737 Value ($000) $5,031,201 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 9,317 Value ($000) $5,289,261 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 9,682 Value ($000) $4,350,607 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 9,817 Value ($000) $3,884,292 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 11,960 Value ($000) $4,215,660 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 12,147 Value ($000) $4,576,747 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 12,405 Value ($000) $4,403,775 Avg Close $309.06 Range $276.17 - $334.67

Q1 2020

Shares 11,795 Value ($000) $3,363,109 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 11,788 Value ($000) $3,464,729 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 11,819 Value ($000) $3,405,172 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 11,675 Value ($000) $3,085,235 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 11,863 Value ($000) $2,872,507 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 12,366 Value ($000) $2,519,077 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 10,961 Value ($000) $2,574,520 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 9,269 Value ($000) $1,937,035 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 10,895 Value ($000) $2,052,945 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 11,177 Value ($000) $2,080,263 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 12,187 Value ($000) $2,002,203 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 13,317 Value ($000) $2,129,788 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 13,244 Value ($000) $2,220,887 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 13,438 Value ($000) $2,151,558 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 13,141 Value ($000) $2,004,134 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 12,847 Value ($000) $2,017,493 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 12,695 Value ($000) $2,000,478 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 12,384 Value ($000) $2,000,016 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 12,398 Value ($000) $1,792,379 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 12,238 Value ($000) $1,652,865 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 12,689 Value ($000) $1,922,320 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 12,789 Value ($000) $1,812,841 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 12,829 Value ($000) $1,607,730 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 13,287 Value ($000) $1,530,131 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 11,399 Value ($000) $1,273,040 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 11,750 Value ($000) $1,398,485 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 11,620 Value ($000) $1,338,276 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 11,809 Value ($000) $1,305,721 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,421	$7,262	$905.73	$844.06 - $962.64
Q3 2025	8,465	$7,835	$956.70	$902.01 - $997.89
Q2 2025	8,453	$8,368	$990.72	$868.14 - $1064.10
Q1 2025	8,709	$8,237	$970.56	$877.95 - $1073.82
Q4 2024	8,871	$8,128	$922.64	$861.51 - $1003.02
Q3 2024	8,924	$7,911	$861.91	$787.84 - $917.81
Q2 2024	8,701	$7,396	$773.82	$690.64 - $867.04
Q1 2024	8,841	$6,477	$706.75	$633.49 - $779.59
Q4 2023	8,818	$5,821	$573.49	$521.47 - $661.25
Q3 2023	9,101	$5,142	$532.21	$505.45 - $552.31
Q2 2023	9,276	$4,994	$487.14	$459.09 - $519.84
Q1 2023	9,364	$4,653	$471.27	$429.88 - $509.61
Q4 2022	9,504	$4,339	$468.77	$430.19 - $520.75
Q3 2022	8,477	$4,003,433	$498.08	$444.08 - $541.06
Q2 2022	8,712	$4,175,487	$484.91	$388.78 - $584.62
Q1 2022	8,737	$5,031,201	$500.83	$447.15 - $559.84
Q4 2021	9,317	$5,289,261	$488.10	$415.17 - $544.86
Q3 2021	9,682	$4,350,607	$418.22	$374.22 - $447.84
Q2 2021	9,817	$3,884,292	$359.04	$333.36 - $380.48
Q1 2021	11,960	$4,215,660	$329.77	$291.05 - $361.01
Q4 2020	12,147	$4,576,747	$347.39	$324.71 - $367.18
Q3 2020	12,405	$4,403,775	$309.06	$276.17 - $334.67
Q1 2020	11,795	$3,363,109	$277.78	$248.54 - $298.00
Q4 2019	11,788	$3,464,729	$271.52	$256.90 - $280.77
Q3 2019	11,819	$3,405,172	$256.34	$238.19 - $280.38
Q2 2019	11,675	$3,085,235	$226.60	$212.14 - $244.81
Q1 2019	11,863	$2,872,507	$198.35	$180.94 - $220.09
Q4 2018	12,366	$2,519,077	$201.98	$171.58 - $217.57
Q3 2018	10,961	$2,574,520	$203.13	$185.65 - $221.43
Q2 2018	9,269	$1,937,035	$177.76	$162.55 - $191.42
Q1 2018	10,895	$2,052,945	$169.26	$157.50 - $179.09
Q4 2017	11,177	$2,080,263	$154.45	$137.67 - $175.03
Q3 2017	12,187	$2,002,203	$140.12	$133.57 - $147.68
Q2 2017	13,317	$2,129,788	$150.98	$139.41 - $162.71
Q1 2017	13,244	$2,220,887	$142.87	$134.91 - $152.51
Q4 2016	13,438	$2,151,558	$129.79	$120.95 - $140.39
Q3 2016	13,141	$2,004,134	$136.95	$124.90 - $143.90
Q2 2016	12,847	$2,017,493	$128.04	$117.26 - $134.37
Q1 2016	12,695	$2,000,478	$127.74	$119.17 - $135.67
Q4 2015	12,384	$2,000,016	$132.84	$119.34 - $142.82
Q3 2015	12,398	$1,792,379	$119.60	$98.22 - $123.53
Q2 2015	12,238	$1,652,865	$120.23	$112.77 - $127.67
Q1 2015	12,689	$1,922,320	$120.91	$111.40 - $128.73
Q4 2014	12,789	$1,812,841	$109.42	$98.12 - $118.34
Q3 2014	12,829	$1,607,730	$97.13	$92.09 - $102.72
Q2 2014	13,287	$1,530,131	$91.81	$88.18 - $95.25
Q1 2014	11,399	$1,273,040	$91.29	$87.26 - $95.07
Q4 2013	11,750	$1,398,485	$95.15	$87.55 - $100.50
Q3 2013	11,620	$1,338,276	$91.64	$87.25 - $95.29
Q2 2013	11,809	$1,305,721	$86.56	$81.59 - $91.78