WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 298,471 Value ($000) $14,276 Avg Close $47.37 Range $44.09 - $50.85

Q3 2025

Shares 284,350 Value ($000) $14,215 Avg Close $48.41 Range $45.39 - $50.63

Q2 2025

Shares 273,175 Value ($000) $13,233 Avg Close $46.41 Range $40.44 - $50.21

Q1 2025

Shares 253,953 Value ($000) $12,858 Avg Close $48.88 Range $46.41 - $51.42

Q4 2024

Shares 272,825 Value ($000) $14,312 Avg Close $50.92 Range $44.42 - $57.25

Q3 2024

Shares 334,297 Value ($000) $16,521 Avg Close $47.96 Range $44.53 - $54.88

Q2 2024

Shares 311,395 Value ($000) $15,112 Avg Close $44.71 Range $41.94 - $47.91

Q1 2024

Shares 304,302 Value ($000) $14,874 Avg Close $44.93 Range $40.74 - $52.58

Q4 2023

Shares 300,322 Value ($000) $16,941 Avg Close $45.49 Range $38.59 - $53.38

Q3 2023

Shares 282,025 Value ($000) $12,198 Avg Close $40.65 Range $34.46 - $45.59

Q2 2023

Shares 268,267 Value ($000) $10,275 Avg Close $36.02 Range $31.77 - $39.59

Q1 2023

Shares 257,572 Value ($000) $11,410 Avg Close $47.96 Range $39.01 - $52.93

Q4 2022

Shares 254,892 Value ($000) $15,041 Avg Close $52.03 Range $45.87 - $56.69

Q3 2022

Shares 251,403 Value ($000) $13,146 Avg Close $50.12 Range $46.08 - $54.37

Q2 2022

Shares 245,452 Value ($000) $13,662 Avg Close $51.14 Range $48.47 - $53.70

Q1 2022

Shares 243,499 Value ($000) $14,733 Avg Close $51.69 Range $48.38 - $55.12

Q4 2021

Shares 233,194 Value ($000) $13,462 Avg Close $48.46 Range $45.96 - $50.44

Q3 2021

Shares 226,547 Value ($000) $12,746 Avg Close $48.00 Range $45.58 - $50.22

Q2 2021

Shares 219,687 Value ($000) $12,749 Avg Close $52.96 Range $48.87 - $55.24

Q1 2021

Shares 213,429 Value ($000) $13,400 Avg Close $51.31 Range $45.76 - $56.46

Q4 2020

Shares 210,887 Value ($000) $11,660 Avg Close $46.10 Range $42.70 - $50.73

Q3 2020

Shares 256,816 Value ($000) $13,958 Avg Close $48.57 Range $43.00 - $54.06

Q2 2020

Shares 263,028 Value ($000) $15,104 Avg Close $48.00 Range $42.78 - $54.53

Q1 2020

Shares 213,717 Value ($000) $12,563 Avg Close $50.93 Range $38.54 - $56.36

Q4 2019

Shares 207,015 Value ($000) $14,030 Avg Close $53.22 Range $48.47 - $56.23

Q3 2019

Shares 203,531 Value ($000) $12,656 Avg Close $50.16 Range $47.48 - $52.86

Q2 2019

Shares 199,368 Value ($000) $12,284 Avg Close $49.98 Range $47.55 - $52.33

Q1 2019

Shares 200,030 Value ($000) $12,362 Avg Close $49.51 Range $43.81 - $52.00

Q4 2018

Shares 195,513 Value ($000) $10,887 Avg Close $46.68 Range $41.39 - $50.57

Q3 2018

Shares 199,036 Value ($000) $11,975 Avg Close $48.42 Range $42.38 - $51.15

Q2 2018

Shares 195,166 Value ($000) $11,029 Avg Close $45.23 Range $42.53 - $47.73

Q1 2018

Shares 183,119 Value ($000) $10,636 Avg Close $46.10 Range $42.86 - $48.73

Q4 2017

Shares 182,402 Value ($000) $10,863 Avg Close $45.39 Range $41.22 - $49.73

Q3 2017

Shares 173,902 Value ($000) $10,355 Avg Close $41.22 Range $37.95 - $46.20

Q2 2017

Shares 165,570 Value ($000) $9,279 Avg Close $41.48 Range $38.41 - $44.70

Q1 2017

Shares 156,695 Value ($000) $8,749 Avg Close $43.50 Range $40.27 - $48.84

Q4 2016

Shares 133,706 Value ($000) $8,415 Avg Close $42.49 Range $35.31 - $49.16

Q3 2016

Shares 125,596 Value ($000) $6,391 Avg Close $36.26 Range $34.29 - $38.21

Q2 2016

Shares 110,350 Value ($000) $5,436 Avg Close $35.72 Range $33.77 - $38.30

Q1 2016

Shares 109,267 Value ($000) $5,323 Avg Close $33.33 Range $29.47 - $37.02

Q4 2015

Shares 106,588 Value ($000) $4,983 Avg Close $33.66 Range $30.28 - $36.28

Q3 2015

Shares 102,956 Value ($000) $4,576 Avg Close $34.11 Range $30.99 - $37.49

Q2 2015

Shares 107,119 Value ($000) $5,426 Avg Close $32.83 Range $29.86 - $37.32

Q1 2015

Shares 98,862 Value ($000) $4,272 Avg Close $30.86 Range $28.78 - $34.76

Q4 2014

Shares 92,555 Value ($000) $4,538 Avg Close $33.70 Range $29.79 - $36.02

Q3 2014

Shares 90,927 Value ($000) $4,230 Avg Close $33.99 Range $32.17 - $37.33

Q2 2014

Shares 86,284 Value ($000) $4,511 Avg Close $35.20 Range $33.12 - $38.02

Q1 2014

Shares 87,516 Value ($000) $4,733 Avg Close $35.67 Range $33.22 - $38.53

Q4 2013

Shares 80,897 Value ($000) $4,568 Avg Close $36.29 Range $32.69 - $39.26

Q3 2013

Shares 78,944 Value ($000) $3,993 Avg Close $32.64 Range $30.72 - $34.37

Q2 2013

Shares 75,578 Value ($000) $3,525 Avg Close $29.77 Range $27.86 - $31.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	298,471	$14,276	$47.37	$44.09 - $50.85
Q3 2025	284,350	$14,215	$48.41	$45.39 - $50.63
Q2 2025	273,175	$13,233	$46.41	$40.44 - $50.21
Q1 2025	253,953	$12,858	$48.88	$46.41 - $51.42
Q4 2024	272,825	$14,312	$50.92	$44.42 - $57.25
Q3 2024	334,297	$16,521	$47.96	$44.53 - $54.88
Q2 2024	311,395	$15,112	$44.71	$41.94 - $47.91
Q1 2024	304,302	$14,874	$44.93	$40.74 - $52.58
Q4 2023	300,322	$16,941	$45.49	$38.59 - $53.38
Q3 2023	282,025	$12,198	$40.65	$34.46 - $45.59
Q2 2023	268,267	$10,275	$36.02	$31.77 - $39.59
Q1 2023	257,572	$11,410	$47.96	$39.01 - $52.93
Q4 2022	254,892	$15,041	$52.03	$45.87 - $56.69
Q3 2022	251,403	$13,146	$50.12	$46.08 - $54.37
Q2 2022	245,452	$13,662	$51.14	$48.47 - $53.70
Q1 2022	243,499	$14,733	$51.69	$48.38 - $55.12
Q4 2021	233,194	$13,462	$48.46	$45.96 - $50.44
Q3 2021	226,547	$12,746	$48.00	$45.58 - $50.22
Q2 2021	219,687	$12,749	$52.96	$48.87 - $55.24
Q1 2021	213,429	$13,400	$51.31	$45.76 - $56.46
Q4 2020	210,887	$11,660	$46.10	$42.70 - $50.73
Q3 2020	256,816	$13,958	$48.57	$43.00 - $54.06
Q2 2020	263,028	$15,104	$48.00	$42.78 - $54.53
Q1 2020	213,717	$12,563	$50.93	$38.54 - $56.36
Q4 2019	207,015	$14,030	$53.22	$48.47 - $56.23
Q3 2019	203,531	$12,656	$50.16	$47.48 - $52.86
Q2 2019	199,368	$12,284	$49.98	$47.55 - $52.33
Q1 2019	200,030	$12,362	$49.51	$43.81 - $52.00
Q4 2018	195,513	$10,887	$46.68	$41.39 - $50.57
Q3 2018	199,036	$11,975	$48.42	$42.38 - $51.15
Q2 2018	195,166	$11,029	$45.23	$42.53 - $47.73
Q1 2018	183,119	$10,636	$46.10	$42.86 - $48.73
Q4 2017	182,402	$10,863	$45.39	$41.22 - $49.73
Q3 2017	173,902	$10,355	$41.22	$37.95 - $46.20
Q2 2017	165,570	$9,279	$41.48	$38.41 - $44.70
Q1 2017	156,695	$8,749	$43.50	$40.27 - $48.84
Q4 2016	133,706	$8,415	$42.49	$35.31 - $49.16
Q3 2016	125,596	$6,391	$36.26	$34.29 - $38.21
Q2 2016	110,350	$5,436	$35.72	$33.77 - $38.30
Q1 2016	109,267	$5,323	$33.33	$29.47 - $37.02
Q4 2015	106,588	$4,983	$33.66	$30.28 - $36.28
Q3 2015	102,956	$4,576	$34.11	$30.99 - $37.49
Q2 2015	107,119	$5,426	$32.83	$29.86 - $37.32
Q1 2015	98,862	$4,272	$30.86	$28.78 - $34.76
Q4 2014	92,555	$4,538	$33.70	$29.79 - $36.02
Q3 2014	90,927	$4,230	$33.99	$32.17 - $37.33
Q2 2014	86,284	$4,511	$35.20	$33.12 - $38.02
Q1 2014	87,516	$4,733	$35.67	$33.22 - $38.53
Q4 2013	80,897	$4,568	$36.29	$32.69 - $39.26
Q3 2013	78,944	$3,993	$32.64	$30.72 - $34.37
Q2 2013	75,578	$3,525	$29.77	$27.86 - $31.27