WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

UBS Group AG's Holding History (CIK: 0001610520)

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

Q4 2025

Shares 457,206 Value ($000) $21,868 Avg Close $47.37 Range $44.09 - $50.85

Q3 2025

Shares 120,492 Value ($000) $6,023 Avg Close $48.41 Range $45.39 - $50.63

Q2 2025

Shares 140,895 Value ($000) $6,825 Avg Close $46.41 Range $40.44 - $50.21

Q1 2025

Shares 87,718 Value ($000) $4,441 Avg Close $48.88 Range $46.41 - $51.42

Q4 2024

Shares 51,637 Value ($000) $2,709 Avg Close $50.92 Range $44.42 - $57.25

Q3 2024

Shares 42,413 Value ($000) $2,096 Avg Close $47.96 Range $44.53 - $54.88

Q2 2024

Shares 41,629 Value ($000) $2,020 Avg Close $44.71 Range $41.94 - $47.91

Q1 2024

Shares 41,877 Value ($000) $2,047 Avg Close $44.93 Range $40.74 - $52.58

Q4 2023

Shares 48,255 Value ($000) $2,722 Avg Close $45.49 Range $38.59 - $53.38

Q3 2023

Shares 21,681 Value ($000) $938 Avg Close $40.65 Range $34.46 - $45.59

Q2 2023

Shares 29,346 Value ($000) $1,124 Avg Close $36.02 Range $31.77 - $39.59

Q1 2023

Shares 57,653 Value ($000) $2,554 Avg Close $47.96 Range $39.01 - $52.93

Q4 2022

Shares 29,208 Value ($000) $1,724 Avg Close $52.03 Range $45.87 - $56.69

Q3 2022

Shares 28,957 Value ($000) $1,514 Avg Close $50.12 Range $46.08 - $54.37

Q2 2022

Shares 20,901 Value ($000) $1,163 Avg Close $51.14 Range $48.47 - $53.70

Q1 2022

Shares 31,804 Value ($000) $1,924 Avg Close $51.69 Range $48.38 - $55.12

Q4 2021

Shares 37,593 Value ($000) $2,169 Avg Close $48.46 Range $45.96 - $50.44

Q3 2021

Shares 35,856 Value ($000) $2,017 Avg Close $48.00 Range $45.58 - $50.22

Q2 2021

Shares 49,956 Value ($000) $2,899 Avg Close $52.96 Range $48.87 - $55.24

Q1 2021

Shares 48,413 Value ($000) $3,040 Avg Close $51.31 Range $45.76 - $56.46

Q4 2020

Shares 52,000 Value ($000) $2,875 Avg Close $46.10 Range $42.70 - $50.73

Q3 2020

Shares 39,799 Value ($000) $2,163 Avg Close $48.57 Range $43.00 - $54.06

Q2 2020

Shares 36,755 Value ($000) $2,110 Avg Close $48.00 Range $42.78 - $54.53

Q1 2020

Shares 37,823 Value ($000) $2,224 Avg Close $50.93 Range $38.54 - $56.36

Q4 2019

Shares 52,594 Value ($000) $3,564 Avg Close $53.22 Range $48.47 - $56.23

Q3 2019

Shares 46,394 Value ($000) $2,885 Avg Close $50.16 Range $47.48 - $52.86

Q2 2019

Shares 31,971 Value ($000) $1,970 Avg Close $49.98 Range $47.55 - $52.33

Q1 2019

Shares 25,864 Value ($000) $1,599 Avg Close $49.51 Range $43.81 - $52.00

Q4 2018

Shares 35,213 Value ($000) $1,960 Avg Close $46.68 Range $41.39 - $50.57

Q3 2018

Shares 34,523 Value ($000) $2,077 Avg Close $48.42 Range $42.38 - $51.15

Q2 2018

Shares 44,899 Value ($000) $2,537 Avg Close $45.23 Range $42.53 - $47.73

Q1 2018

Shares 28,726 Value ($000) $1,668 Avg Close $46.10 Range $42.86 - $48.73

Q4 2017

Shares 24,752 Value ($000) $1,474 Avg Close $45.39 Range $41.22 - $49.73

Q3 2017

Shares 27,012 Value ($000) $1,609 Avg Close $41.22 Range $37.95 - $46.20

Q2 2017

Shares 25,152 Value ($000) $1,409 Avg Close $41.48 Range $38.41 - $44.70

Q1 2017

Shares 26,641 Value ($000) $1,487 Avg Close $43.50 Range $40.27 - $48.84

Q4 2016

Shares 29,078 Value ($000) $1,829 Avg Close $42.49 Range $35.31 - $49.16

Q3 2016

Shares 28,768 Value ($000) $1,464 Avg Close $36.26 Range $34.29 - $38.21

Q2 2016

Shares 22,363 Value ($000) $1,102 Avg Close $35.72 Range $33.77 - $38.30

Q1 2016

Shares 22,727 Value ($000) $1,107 Avg Close $33.33 Range $29.47 - $37.02

Q4 2015

Shares 22,344 Value ($000) $1,044 Avg Close $33.66 Range $30.28 - $36.28

Q3 2015

Shares 23,671 Value ($000) $1,052 Avg Close $34.11 Range $30.99 - $37.49

Q2 2015

Shares 27,136 Value ($000) $1,374 Avg Close $32.83 Range $29.86 - $37.32

Q1 2015

Shares 20,685 Value ($000) $894 Avg Close $30.86 Range $28.78 - $34.76

Q4 2014

Shares 7,810 Value ($000) $383 Avg Close $33.70 Range $29.79 - $36.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	457,206	$21,868	$47.37	$44.09 - $50.85
Q3 2025	120,492	$6,023	$48.41	$45.39 - $50.63
Q2 2025	140,895	$6,825	$46.41	$40.44 - $50.21
Q1 2025	87,718	$4,441	$48.88	$46.41 - $51.42
Q4 2024	51,637	$2,709	$50.92	$44.42 - $57.25
Q3 2024	42,413	$2,096	$47.96	$44.53 - $54.88
Q2 2024	41,629	$2,020	$44.71	$41.94 - $47.91
Q1 2024	41,877	$2,047	$44.93	$40.74 - $52.58
Q4 2023	48,255	$2,722	$45.49	$38.59 - $53.38
Q3 2023	21,681	$938	$40.65	$34.46 - $45.59
Q2 2023	29,346	$1,124	$36.02	$31.77 - $39.59
Q1 2023	57,653	$2,554	$47.96	$39.01 - $52.93
Q4 2022	29,208	$1,724	$52.03	$45.87 - $56.69
Q3 2022	28,957	$1,514	$50.12	$46.08 - $54.37
Q2 2022	20,901	$1,163	$51.14	$48.47 - $53.70
Q1 2022	31,804	$1,924	$51.69	$48.38 - $55.12
Q4 2021	37,593	$2,169	$48.46	$45.96 - $50.44
Q3 2021	35,856	$2,017	$48.00	$45.58 - $50.22
Q2 2021	49,956	$2,899	$52.96	$48.87 - $55.24
Q1 2021	48,413	$3,040	$51.31	$45.76 - $56.46
Q4 2020	52,000	$2,875	$46.10	$42.70 - $50.73
Q3 2020	39,799	$2,163	$48.57	$43.00 - $54.06
Q2 2020	36,755	$2,110	$48.00	$42.78 - $54.53
Q1 2020	37,823	$2,224	$50.93	$38.54 - $56.36
Q4 2019	52,594	$3,564	$53.22	$48.47 - $56.23
Q3 2019	46,394	$2,885	$50.16	$47.48 - $52.86
Q2 2019	31,971	$1,970	$49.98	$47.55 - $52.33
Q1 2019	25,864	$1,599	$49.51	$43.81 - $52.00
Q4 2018	35,213	$1,960	$46.68	$41.39 - $50.57
Q3 2018	34,523	$2,077	$48.42	$42.38 - $51.15
Q2 2018	44,899	$2,537	$45.23	$42.53 - $47.73
Q1 2018	28,726	$1,668	$46.10	$42.86 - $48.73
Q4 2017	24,752	$1,474	$45.39	$41.22 - $49.73
Q3 2017	27,012	$1,609	$41.22	$37.95 - $46.20
Q2 2017	25,152	$1,409	$41.48	$38.41 - $44.70
Q1 2017	26,641	$1,487	$43.50	$40.27 - $48.84
Q4 2016	29,078	$1,829	$42.49	$35.31 - $49.16
Q3 2016	28,768	$1,464	$36.26	$34.29 - $38.21
Q2 2016	22,363	$1,102	$35.72	$33.77 - $38.30
Q1 2016	22,727	$1,107	$33.33	$29.47 - $37.02
Q4 2015	22,344	$1,044	$33.66	$30.28 - $36.28
Q3 2015	23,671	$1,052	$34.11	$30.99 - $37.49
Q2 2015	27,136	$1,374	$32.83	$29.86 - $37.32
Q1 2015	20,685	$894	$30.86	$28.78 - $34.76
Q4 2014	7,810	$383	$33.70	$29.79 - $36.02