CDIO — Cardio Diagnostics Holdings, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2022-01-14.
Performance
Technicals
Others in Healthcare
Measured signals that fired on CDIO
| date | signal | measured base rate |
|---|---|---|
| 2026-03-16 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2024-09-06 | Dogan Timur Chief Technology Officer | Open-market purchase | 69.0K | 0.29 | 20.0K |
| 2024-09-06 | Dogan Meeshanthini Chief Technology Officer | Open-market purchase | 69.0K | 0.29 | 20.0K |
| 2024-09-06 | Dogan Timur Chief Technology Officer | Open-market purchase | 69.0K | 0.29 | 20.0K |
| 2024-09-06 | Dogan Meeshanthini Chief Executive Officer | Open-market purchase | 69.0K | 0.29 | 20.0K |
| 2024-09-06 | Dogan Meeshanthini Chief Executive Officer | Open-market purchase | 69.0K | 0.29 | 20.0K |
| 2024-09-06 | Dogan Meeshanthini Chief Executive Officer | Open-market purchase | 69.0K | 0.29 | 20.0K |
| 2024-09-06 | Philibert Robert Chief Medical Officer | Open-market purchase | 26.6K | 0.29 | 7.7K |
| 2024-09-06 | Philibert Robert Chief Medical Officer | Open-market purchase | 7.5K | 0.28 | 2.1K |
| 2024-03-31 | Lau Stanley K. Director | Option exercise | 8.8K | 1.42 | 12.5K |
| 2024-03-31 | Burton Paul Frederick Director | Option exercise | 8.8K | 1.42 | 12.5K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| JANE STREET GROUP, LLC | 158.5K | 81.3K |
| BlackRock, Inc. | 67.7K | 34.7K |
| GEODE CAPITAL MANAGEMENT, LLC | 62.7K | 32.2K |
| VANGUARD CAPITAL MANAGEMENT LLC | 39.3K | 20.2K |
| RENAISSANCE TECHNOLOGIES LLC | 29.9K | 15.3K |
| Scientech Research LLC | 27.1K | 13.9K |
| UBS Group AG | 19.3K | 9.9K |
| VANGUARD FIDUCIARY TRUST CO | 7.7K | 4.0K |
| Tower Research Capital LLC (TRC) | 4.3K | 2.2K |
| WOLVERINE ASSET MANAGEMENT LLC | 203 | 104 |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Cardio Diagnostics Holdings, Inc. (CDIO) filed form 8-K · 2026-08-20 · SEC EDGAR
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