CECO

Ceco Environmental Corp

Company with tickers: CECO

CIK

3197

CUSIP

125141101

Shares Outstanding

35,873,031

13F Activity (30d)

13 filings 10 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	1,599,092	661,346	2,260,438	44.0%
2026-04-27	1,433,082	429,416	1,862,498	38.7%
2026-04-20	590,569	160,110	750,679	39.3%
2026-04-13	392,330	125,711	518,041	37.5%
2026-04-06	576,505	168,847	745,352	33.7%
2026-03-30	549,257	193,400	742,657	43.8%
2026-03-23	950,163	300,392	1,250,555	39.3%
2026-03-16	936,502	379,638	1,316,140	38.2%

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