WABC

Westamerica Bancorporation

Company with tickers: WABC

CIK

311094

CUSIP

957090103

Shares Outstanding

23,487,955

13F Activity (30d)

125 filings 121 filers

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-05-04	137,339	38,946	176,285	36.8%
2026-04-27	182,533	63,500	246,033	36.2%
2026-04-20	297,208	232,626	529,834	45.9%
2026-04-13	203,203	89,817	293,020	38.5%
2026-04-06	126,071	58,617	184,688	25.6%
2026-03-30	143,577	60,953	204,530	30.7%
2026-03-23	174,740	93,758	268,498	25.4%
2026-03-16	240,239	259,371	499,610	27.0%
2026-03-09	164,962	63,019	227,981	25.3%
2026-03-02	164,223	180,214	344,437	36.4%
2026-02-23	176,204	54,058	230,262	23.6%
2026-02-16	137,490	39,541	177,031	29.4%
2026-02-09	155,429	88,143	243,572	30.7%
2026-02-02	154,962	84,353	239,315	31.0%
2026-01-26	140,647	99,213	239,860	32.4%
2026-01-19	132,247	83,086	215,333	34.3%
2026-01-12	190,555	109,528	300,083	35.1%
2026-01-05	152,463	46,863	199,326	30.2%
2025-12-29	98,115	50,143	148,258	32.2%
2025-12-22	90,697	30,811	121,508	27.6%
2025-12-15	149,703	127,241	276,944	25.9%

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