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%
2025-12-08	114,976	44,492	159,468	25.5%
2025-12-01	98,293	54,954	153,247	34.0%
2025-11-24	124,132	110,333	234,465	36.5%
2025-11-17	92,820	33,678	126,498	25.2%
2025-11-10	110,572	60,193	170,765	29.4%
2025-11-03	125,902	75,300	201,202	32.2%
2025-10-27	147,011	71,710	218,721	29.7%
2025-10-20	137,395	181,434	318,829	42.8%
2025-10-13	181,387	71,314	252,701	30.5%
2025-10-06	122,302	56,206	178,508	27.9%
2025-09-29	184,526	67,844	252,370	31.1%
2025-09-22	150,760	44,300	195,060	32.9%
2025-09-15	144,485	150,070	294,555	22.3%
2025-09-08	155,196	69,310	224,506	36.5%
2025-09-01	119,624	39,662	159,286	33.5%
2025-08-25	131,526	176,830	308,356	40.3%
2025-08-18	212,206	76,105	288,311	38.0%
2025-08-11	178,192	127,811	306,003	36.3%
2025-08-04	132,780	51,423	184,203	31.0%
2025-07-28	167,265	67,802	235,067	30.9%
2025-07-21	137,250	70,690	207,940	30.9%
2025-07-14	116,207	56,660	172,867	30.4%
2025-07-07	106,546	40,883	147,429	30.3%
2025-06-30	70,060	52,005	122,065	30.7%
2025-06-23	105,128	102,878	208,006	32.6%
2025-06-16	107,567	117,233	224,800	28.6%

Showing 1–47 of 47 weeks