CDIO

Cardio Diagnostics Holdings, Inc.

Company with tickers: CDIO, CDIOW

CIK

1870144

CUSIP

14159C202

Shares Outstanding

2,959,469

Website

https://cdio.ai

13F Activity (30d)

11 filings 9 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	30,051	323,021	353,072	69.5%
2026-04-27	14,153	71,350	85,503	47.4%
2026-04-20	5,406	97,716	103,122	52.2%
2026-04-13	21,109	164,883	185,992	59.9%
2026-04-06	31,083	313,098	344,181	64.1%
2026-03-30	21,911	195,595	217,506	56.3%
2026-03-23	32,284	622,962	655,246	59.4%
2026-03-16	91,437	1,301,108	1,392,545	65.2%

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