WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2025

Shares 8,542 Value ($000) $409 Avg Close $47.37 Range $44.09 - $50.85

Q3 2025

Shares 12,053 Value ($000) $603 Avg Close $48.41 Range $45.39 - $50.63

Q2 2025

Shares 28,393 Value ($000) $1,375 Avg Close $46.41 Range $40.44 - $50.21

Q1 2025

Shares 22,596 Value ($000) $1,144 Avg Close $48.88 Range $46.41 - $51.42

Q2 2024

Shares 8,468 Value ($000) $411 Avg Close $44.71 Range $41.94 - $47.91

Q3 2023

Shares 6,450 Value ($000) $279 Avg Close $40.65 Range $34.46 - $45.59

Q2 2023

Shares 39,391 Value ($000) $1,509 Avg Close $36.02 Range $31.77 - $39.59

Q1 2023

Shares 95,451 Value ($000) $4,228 Avg Close $47.96 Range $39.01 - $52.93

Q4 2022

Shares 105,056 Value ($000) $6,199 Avg Close $52.03 Range $45.87 - $56.69

Q3 2022

Shares 70,249 Value ($000) $3,673 Avg Close $50.12 Range $46.08 - $54.37

Q2 2022

Shares 22,228 Value ($000) $1,237 Avg Close $51.14 Range $48.47 - $53.70

Q1 2022

Shares 31,195 Value ($000) $1,887 Avg Close $51.69 Range $48.38 - $55.12

Q4 2021

Shares 36,645 Value ($000) $2,115 Avg Close $48.46 Range $45.96 - $50.44

Q3 2021

Shares 36,806 Value ($000) $2,071 Avg Close $48.00 Range $45.58 - $50.22

Q2 2021

Shares 41,080 Value ($000) $2,383 Avg Close $52.96 Range $48.87 - $55.24

Q1 2021

Shares 45,006 Value ($000) $2,826 Avg Close $51.31 Range $45.76 - $56.46

Q4 2020

Shares 52,338 Value ($000) $2,893 Avg Close $46.10 Range $42.70 - $50.73

Q3 2020

Shares 31,590 Value ($000) $1,717 Avg Close $48.57 Range $43.00 - $54.06

Q2 2020

Shares 28,521 Value ($000) $1,638 Avg Close $48.00 Range $42.78 - $54.53

Q1 2020

Shares 6,973 Value ($000) $410 Avg Close $50.93 Range $38.54 - $56.36

Q4 2019

Shares 21,780 Value ($000) $1,476 Avg Close $53.22 Range $48.47 - $56.23

Q3 2019

Shares 20,152 Value ($000) $1,253 Avg Close $50.16 Range $47.48 - $52.86

Q2 2019

Shares 15,132 Value ($000) $932 Avg Close $49.98 Range $47.55 - $52.33

Q2 2017

Shares 6,311 Value ($000) $354 Avg Close $41.48 Range $38.41 - $44.70

Q3 2015

Shares 8,793 Value ($000) $391 Avg Close $34.11 Range $30.99 - $37.49

Q2 2015

Shares 21,763 Value ($000) $1,103 Avg Close $32.83 Range $29.86 - $37.32

Q1 2015

Shares 27,782 Value ($000) $1,200 Avg Close $30.86 Range $28.78 - $34.76

Q4 2014

Shares 21,151 Value ($000) $1,037 Avg Close $33.70 Range $29.79 - $36.02

Q3 2014

Shares 60,696 Value ($000) $2,824 Avg Close $33.99 Range $32.17 - $37.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,542	$409	$47.37	$44.09 - $50.85
Q3 2025	12,053	$603	$48.41	$45.39 - $50.63
Q2 2025	28,393	$1,375	$46.41	$40.44 - $50.21
Q1 2025	22,596	$1,144	$48.88	$46.41 - $51.42
Q2 2024	8,468	$411	$44.71	$41.94 - $47.91
Q3 2023	6,450	$279	$40.65	$34.46 - $45.59
Q2 2023	39,391	$1,509	$36.02	$31.77 - $39.59
Q1 2023	95,451	$4,228	$47.96	$39.01 - $52.93
Q4 2022	105,056	$6,199	$52.03	$45.87 - $56.69
Q3 2022	70,249	$3,673	$50.12	$46.08 - $54.37
Q2 2022	22,228	$1,237	$51.14	$48.47 - $53.70
Q1 2022	31,195	$1,887	$51.69	$48.38 - $55.12
Q4 2021	36,645	$2,115	$48.46	$45.96 - $50.44
Q3 2021	36,806	$2,071	$48.00	$45.58 - $50.22
Q2 2021	41,080	$2,383	$52.96	$48.87 - $55.24
Q1 2021	45,006	$2,826	$51.31	$45.76 - $56.46
Q4 2020	52,338	$2,893	$46.10	$42.70 - $50.73
Q3 2020	31,590	$1,717	$48.57	$43.00 - $54.06
Q2 2020	28,521	$1,638	$48.00	$42.78 - $54.53
Q1 2020	6,973	$410	$50.93	$38.54 - $56.36
Q4 2019	21,780	$1,476	$53.22	$48.47 - $56.23
Q3 2019	20,152	$1,253	$50.16	$47.48 - $52.86
Q2 2019	15,132	$932	$49.98	$47.55 - $52.33
Q2 2017	6,311	$354	$41.48	$38.41 - $44.70
Q3 2015	8,793	$391	$34.11	$30.99 - $37.49
Q2 2015	21,763	$1,103	$32.83	$29.86 - $37.32
Q1 2015	27,782	$1,200	$30.86	$28.78 - $34.76
Q4 2014	21,151	$1,037	$33.70	$29.79 - $36.02
Q3 2014	60,696	$2,824	$33.99	$32.17 - $37.33