WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020
Shares 9,005 Value ($000) $498 Avg Close $46.10 Range $42.70 - $50.73
Q3 2020
Shares 10,828 Value ($000) $589 Avg Close $48.57 Range $43.00 - $54.06
Q2 2020
Shares 11,562 Value ($000) $664 Avg Close $48.00 Range $42.78 - $54.53
Q1 2020
Shares 12,257 Value ($000) $720 Avg Close $50.93 Range $38.54 - $56.36
Q4 2019
Shares 10,149 Value ($000) $688 Avg Close $53.22 Range $48.47 - $56.23
Q3 2019
Shares 10,304 Value ($000) $641 Avg Close $50.16 Range $47.48 - $52.86
Q2 2019
Shares 10,792 Value ($000) $665 Avg Close $49.98 Range $47.55 - $52.33
Q1 2019
Shares 10,764 Value ($000) $665 Avg Close $49.51 Range $43.81 - $52.00
Q4 2018
Shares 10,569 Value ($000) $588 Avg Close $46.68 Range $41.39 - $50.57
Q3 2018
Shares 12,518 Value ($000) $753 Avg Close $48.42 Range $42.38 - $51.15
Q2 2018
Shares 12,147 Value ($000) $686 Avg Close $45.23 Range $42.53 - $47.73
Q1 2018
Shares 13,398 Value ($000) $778 Avg Close $46.10 Range $42.86 - $48.73
Q4 2017
Shares 13,803 Value ($000) $822 Avg Close $45.39 Range $41.22 - $49.73
Q3 2017
Shares 13,529 Value ($000) $806 Avg Close $41.22 Range $37.95 - $46.20
Q2 2017
Shares 12,987 Value ($000) $728 Avg Close $41.48 Range $38.41 - $44.70
Q1 2017
Shares 10,206 Value ($000) $570 Avg Close $43.50 Range $40.27 - $48.84
Q4 2016
Shares 11,484 Value ($000) $723 Avg Close $42.49 Range $35.31 - $49.16
Q3 2016
Shares 13,666 Value ($000) $695 Avg Close $36.26 Range $34.29 - $38.21
Q2 2016
Shares 14,397 Value ($000) $709 Avg Close $35.72 Range $33.77 - $38.30
Q1 2016
Shares 11,790 Value ($000) $574 Avg Close $33.33 Range $29.47 - $37.02
Q4 2015
Shares 17,818 Value ($000) $833 Avg Close $33.66 Range $30.28 - $36.28
Q3 2015
Shares 15,610 Value ($000) $694 Avg Close $34.11 Range $30.99 - $37.49
Q2 2015
Shares 12,976 Value ($000) $657 Avg Close $32.83 Range $29.86 - $37.32
Q1 2015
Shares 7,346 Value ($000) $317 Avg Close $30.86 Range $28.78 - $34.76
Q4 2014
Shares 8,342 Value ($000) $409 Avg Close $33.70 Range $29.79 - $36.02
Q3 2014
Shares 11,421 Value ($000) $531 Avg Close $33.99 Range $32.17 - $37.33
Q2 2014
Shares 12,614 Value ($000) $659 Avg Close $35.20 Range $33.12 - $38.02
Q1 2014
Shares 12,546 Value ($000) $678 Avg Close $35.67 Range $33.22 - $38.53
Q4 2013
Shares 14,179 Value ($000) $801 Avg Close $36.29 Range $32.69 - $39.26
Q3 2013
Shares 14,910 Value ($000) $742 Avg Close $32.64 Range $30.72 - $34.37
Q2 2013
Shares 12,675 Value ($000) $579 Avg Close $29.77 Range $27.86 - $31.27