KALU

Kaiser Aluminum Corp

Company with tickers: KALU

CIK

811596

CUSIP

483007704

Shares Outstanding

16,340,606

13F Activity (30d)

173 filings 147 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	315,104	226,118	541,222	64.9%
2026-04-27	440,029	239,314	679,343	46.9%
2026-04-20	646,531	347,884	994,415	52.8%
2026-04-13	247,362	135,962	383,324	41.3%
2026-04-06	202,975	114,576	317,551	34.4%
2026-03-30	280,372	121,970	402,342	49.7%
2026-03-23	246,028	123,515	369,543	38.9%
2026-03-16	314,953	216,795	531,748	30.6%
2026-03-09	263,341	104,662	368,003	39.4%
2026-03-02	301,633	162,961	464,594	44.5%
2026-02-23	318,536	205,103	523,639	40.4%
2026-02-16	385,171	168,745	553,916	39.2%
2026-02-09	221,177	169,350	390,527	42.2%
2026-02-02	346,969	189,328	536,297	40.9%
2026-01-26	190,343	122,385	312,728	35.3%
2026-01-19	147,594	99,720	247,314	43.4%
2026-01-12	171,763	131,564	303,327	41.4%
2026-01-05	290,802	185,518	476,320	44.1%
2025-12-29	159,035	135,596	294,631	43.3%
2025-12-22	133,934	89,479	223,413	41.8%
2025-12-15	333,042	254,338	587,380	37.6%

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