WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

UMB Bank, n.a.'s Holding History (CIK: 0000933429)

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

Q4 2025
Shares 140 Value ($000) $7 Avg Close $47.37 Range $44.09 - $50.85
Q3 2025
Shares 104 Value ($000) $5 Avg Close $48.41 Range $45.39 - $50.63
Q2 2025
Shares 200 Value ($000) $10 Avg Close $46.41 Range $40.44 - $50.21
Q1 2025
Shares 246 Value ($000) $12 Avg Close $48.88 Range $46.41 - $51.42
Q4 2024
Shares 297 Value ($000) $16 Avg Close $50.92 Range $44.42 - $57.25
Q3 2024
Shares 329 Value ($000) $16 Avg Close $47.96 Range $44.53 - $54.88
Q2 2024
Shares 346 Value ($000) $17 Avg Close $44.71 Range $41.94 - $47.91
Q1 2024
Shares 348 Value ($000) $17 Avg Close $44.93 Range $40.74 - $52.58
Q4 2023
Shares 340 Value ($000) $19 Avg Close $45.49 Range $38.59 - $53.38
Q3 2023
Shares 340 Value ($000) $15 Avg Close $40.65 Range $34.46 - $45.59
Q2 2023
Shares 340 Value ($000) $13 Avg Close $36.02 Range $31.77 - $39.59