CECO

Ceco Environmental Corp

Company with tickers: CECO

CIK

3197

CUSIP

125141101

Shares Outstanding

35,873,031

13F Activity (30d)

96 filings 94 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%
2026-03-09	1,030,757	295,893	1,326,650	39.5%
2026-03-02	1,308,789	418,343	1,727,132	37.5%
2026-02-23	2,311,786	704,905	3,016,691	36.5%
2026-02-16	389,754	289,648	679,402	45.8%
2026-02-09	440,911	136,692	577,603	38.9%
2026-02-02	499,289	152,457	651,746	42.4%
2026-01-26	495,941	137,463	633,404	47.2%
2026-01-19	280,686	94,638	375,324	37.8%
2026-01-12	337,593	161,279	498,872	44.7%
2026-01-05	296,856	165,321	462,177	38.8%
2025-12-29	163,398	73,211	236,609	31.9%
2025-12-22	219,927	107,284	327,211	40.2%
2025-12-15	539,393	370,514	909,907	37.5%

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