WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q4 2025

Shares 3,784 Value ($000) $0 Avg Close $47.37 Range $44.09 - $50.85

Q3 2025

Shares 3,784 Value ($000) $0 Avg Close $48.41 Range $45.39 - $50.63

Q2 2025

Shares 3,784 Value ($000) $0 Avg Close $46.41 Range $40.44 - $50.21

Q1 2025

Shares 3,784 Value ($000) $0 Avg Close $48.88 Range $46.41 - $51.42

Q4 2024

Shares 3,784 Value ($000) $0 Avg Close $50.92 Range $44.42 - $57.25

Q3 2024

Shares 3,952 Value ($000) $0 Avg Close $47.96 Range $44.53 - $54.88

Q2 2024

Shares 3,952 Value ($000) $0 Avg Close $44.71 Range $41.94 - $47.91

Q1 2024

Shares 3,952 Value ($000) $0 Avg Close $44.93 Range $40.74 - $52.58

Q4 2023

Shares 4,056 Value ($000) $0 Avg Close $45.49 Range $38.59 - $53.38

Q3 2023

Shares 4,056 Value ($000) $0 Avg Close $40.65 Range $34.46 - $45.59

Q2 2023

Shares 4,610 Value ($000) $0 Avg Close $36.02 Range $31.77 - $39.59

Q1 2023

Shares 4,610 Value ($000) $0 Avg Close $47.96 Range $39.01 - $52.93

Q4 2022

Shares 4,610 Value ($000) $0 Avg Close $52.03 Range $45.87 - $56.69

Q3 2022

Shares 4,610 Value ($000) $241 Avg Close $50.12 Range $46.08 - $54.37

Q2 2022

Shares 4,610 Value ($000) $257 Avg Close $51.14 Range $48.47 - $53.70

Q1 2022

Shares 4,610 Value ($000) $279 Avg Close $51.69 Range $48.38 - $55.12

Q4 2021

Shares 4,610 Value ($000) $266 Avg Close $48.46 Range $45.96 - $50.44

Q3 2021

Shares 4,610 Value ($000) $259 Avg Close $48.00 Range $45.58 - $50.22

Q2 2021

Shares 4,610 Value ($000) $268 Avg Close $52.96 Range $48.87 - $55.24

Q1 2021

Shares 4,610 Value ($000) $289 Avg Close $51.31 Range $45.76 - $56.46

Q4 2020

Shares 4,610 Value ($000) $255 Avg Close $46.10 Range $42.70 - $50.73

Q3 2020

Shares 4,610 Value ($000) $251 Avg Close $48.57 Range $43.00 - $54.06

Q2 2020

Shares 4,610 Value ($000) $265 Avg Close $48.00 Range $42.78 - $54.53

Q1 2020

Shares 4,610 Value ($000) $271 Avg Close $50.93 Range $38.54 - $56.36

Q4 2019

Shares 4,610 Value ($000) $312 Avg Close $53.22 Range $48.47 - $56.23

Q3 2019

Shares 4,610 Value ($000) $287 Avg Close $50.16 Range $47.48 - $52.86

Q2 2019

Shares 4,610 Value ($000) $284 Avg Close $49.98 Range $47.55 - $52.33

Q1 2019

Shares 4,610 Value ($000) $285 Avg Close $49.51 Range $43.81 - $52.00

Q4 2018

Shares 4,610 Value ($000) $257 Avg Close $46.68 Range $41.39 - $50.57

Q3 2018

Shares 4,610 Value ($000) $277 Avg Close $48.42 Range $42.38 - $51.15

Q2 2018

Shares 4,610 Value ($000) $261 Avg Close $45.23 Range $42.53 - $47.73

Q1 2018

Shares 4,610 Value ($000) $268 Avg Close $46.10 Range $42.86 - $48.73

Q4 2017

Shares 4,610 Value ($000) $275 Avg Close $45.39 Range $41.22 - $49.73

Q3 2017

Shares 4,610 Value ($000) $274 Avg Close $41.22 Range $37.95 - $46.20

Q2 2017

Shares 4,610 Value ($000) $258 Avg Close $41.48 Range $38.41 - $44.70

Q1 2017

Shares 4,610 Value ($000) $257 Avg Close $43.50 Range $40.27 - $48.84

Q4 2016

Shares 6,162 Value ($000) $388 Avg Close $42.49 Range $35.31 - $49.16

Q3 2016

Shares 6,162 Value ($000) $314 Avg Close $36.26 Range $34.29 - $38.21

Q2 2016

Shares 6,162 Value ($000) $304 Avg Close $35.72 Range $33.77 - $38.30

Q1 2016

Shares 6,162 Value ($000) $300 Avg Close $33.33 Range $29.47 - $37.02

Q4 2015

Shares 6,162 Value ($000) $288 Avg Close $33.66 Range $30.28 - $36.28

Q3 2015

Shares 6,162 Value ($000) $274 Avg Close $34.11 Range $30.99 - $37.49

Q2 2015

Shares 6,162 Value ($000) $312 Avg Close $32.83 Range $29.86 - $37.32

Q1 2015

Shares 6,162 Value ($000) $266 Avg Close $30.86 Range $28.78 - $34.76

Q4 2014

Shares 6,162 Value ($000) $302 Avg Close $33.70 Range $29.79 - $36.02

Q3 2014

Shares 6,162 Value ($000) $287 Avg Close $33.99 Range $32.17 - $37.33

Q2 2014

Shares 6,162 Value ($000) $322 Avg Close $35.20 Range $33.12 - $38.02

Q1 2014

Shares 2,368 Value ($000) $128 Avg Close $35.67 Range $33.22 - $38.53

Q4 2013

Shares 2,368 Value ($000) $134 Avg Close $36.29 Range $32.69 - $39.26

Q3 2013

Shares 2,368 Value ($000) $118 Avg Close $32.64 Range $30.72 - $34.37

Q2 2013

Shares 2,368 Value ($000) $108 Avg Close $29.77 Range $27.86 - $31.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,784	$0	$47.37	$44.09 - $50.85
Q3 2025	3,784	$0	$48.41	$45.39 - $50.63
Q2 2025	3,784	$0	$46.41	$40.44 - $50.21
Q1 2025	3,784	$0	$48.88	$46.41 - $51.42
Q4 2024	3,784	$0	$50.92	$44.42 - $57.25
Q3 2024	3,952	$0	$47.96	$44.53 - $54.88
Q2 2024	3,952	$0	$44.71	$41.94 - $47.91
Q1 2024	3,952	$0	$44.93	$40.74 - $52.58
Q4 2023	4,056	$0	$45.49	$38.59 - $53.38
Q3 2023	4,056	$0	$40.65	$34.46 - $45.59
Q2 2023	4,610	$0	$36.02	$31.77 - $39.59
Q1 2023	4,610	$0	$47.96	$39.01 - $52.93
Q4 2022	4,610	$0	$52.03	$45.87 - $56.69
Q3 2022	4,610	$241	$50.12	$46.08 - $54.37
Q2 2022	4,610	$257	$51.14	$48.47 - $53.70
Q1 2022	4,610	$279	$51.69	$48.38 - $55.12
Q4 2021	4,610	$266	$48.46	$45.96 - $50.44
Q3 2021	4,610	$259	$48.00	$45.58 - $50.22
Q2 2021	4,610	$268	$52.96	$48.87 - $55.24
Q1 2021	4,610	$289	$51.31	$45.76 - $56.46
Q4 2020	4,610	$255	$46.10	$42.70 - $50.73
Q3 2020	4,610	$251	$48.57	$43.00 - $54.06
Q2 2020	4,610	$265	$48.00	$42.78 - $54.53
Q1 2020	4,610	$271	$50.93	$38.54 - $56.36
Q4 2019	4,610	$312	$53.22	$48.47 - $56.23
Q3 2019	4,610	$287	$50.16	$47.48 - $52.86
Q2 2019	4,610	$284	$49.98	$47.55 - $52.33
Q1 2019	4,610	$285	$49.51	$43.81 - $52.00
Q4 2018	4,610	$257	$46.68	$41.39 - $50.57
Q3 2018	4,610	$277	$48.42	$42.38 - $51.15
Q2 2018	4,610	$261	$45.23	$42.53 - $47.73
Q1 2018	4,610	$268	$46.10	$42.86 - $48.73
Q4 2017	4,610	$275	$45.39	$41.22 - $49.73
Q3 2017	4,610	$274	$41.22	$37.95 - $46.20
Q2 2017	4,610	$258	$41.48	$38.41 - $44.70
Q1 2017	4,610	$257	$43.50	$40.27 - $48.84
Q4 2016	6,162	$388	$42.49	$35.31 - $49.16
Q3 2016	6,162	$314	$36.26	$34.29 - $38.21
Q2 2016	6,162	$304	$35.72	$33.77 - $38.30
Q1 2016	6,162	$300	$33.33	$29.47 - $37.02
Q4 2015	6,162	$288	$33.66	$30.28 - $36.28
Q3 2015	6,162	$274	$34.11	$30.99 - $37.49
Q2 2015	6,162	$312	$32.83	$29.86 - $37.32
Q1 2015	6,162	$266	$30.86	$28.78 - $34.76
Q4 2014	6,162	$302	$33.70	$29.79 - $36.02
Q3 2014	6,162	$287	$33.99	$32.17 - $37.33
Q2 2014	6,162	$322	$35.20	$33.12 - $38.02
Q1 2014	2,368	$128	$35.67	$33.22 - $38.53
Q4 2013	2,368	$134	$36.29	$32.69 - $39.26
Q3 2013	2,368	$118	$32.64	$30.72 - $34.37
Q2 2013	2,368	$108	$29.77	$27.86 - $31.27