Cardio Diagnostics (CDIO) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET
Updated Oct 15, 2026, 4:00 PM ET
- Closed at $1.76, +5.39% vs the prior close of $1.67.
- Volume 27.30K shares, 0.7x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
CDIO jumps 5.4% to $1.76. Closed at $1.76, +5.39% vs the prior close of $1.67. Day range $1.67–$1.84, opened at $1.67.
CDIO daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 15, 2026 — CDIO jumps 5.4% to $1.76
- Closed at $1.76, +5.39% vs the prior close of $1.67. Day range $1.67–$1.84, opened at $1.67.
- Volume was 27.30K shares, 0.7x its 50-day average of 40.93K.
- Price is -8.4% vs its 50-day average ($1.92) and -16.7% vs its 200-day average ($2.11).
- 52-week range $0.97–$7.91; today's close sits at 11% of that range, 77.7% below the 52-week high.
Oct 14, 2026 — CDIO slides 4.6% to $1.67, a 1-month low, 3 down days in a row
- Closed at $1.67, -4.57% vs the prior close of $1.75. Day range $1.67–$1.78, opened at $1.77.
- Volume was 31.90K shares, 0.8x its 50-day average of 40.94K.
- Price is -13.1% vs its 50-day average ($1.92) and -21.2% vs its 200-day average ($2.12).
- 52-week range $0.97–$7.91; today's close sits at 10% of that range, 78.9% below the 52-week high.
- That makes 3 straight losses.
Oct 13, 2026 — CDIO dips 1.7% to $1.75, a 1-month low
- Closed at $1.75, -1.69% vs the prior close of $1.78. Day range $1.75–$1.86, opened at $1.86.
- Volume was 19.80K shares, 0.5x its 50-day average of 41.06K — lighter than usual.
- Price is -9.0% vs its 50-day average ($1.92) and -17.7% vs its 200-day average ($2.13).
- 52-week range $0.97–$7.91; today's close sits at 11% of that range, 77.9% below the 52-week high.
Oct 12, 2026 — CDIO slides 4.8% to $1.78, a 1-month low
- Closed at $1.78, -4.81% vs the prior close of $1.87. Day range $1.65–$1.91, opened at $1.90.
- Volume was 61.60K shares, 1.5x its 50-day average of 40.08K.
- Price is -7.3% vs its 50-day average ($1.92) and -16.6% vs its 200-day average ($2.14).
- 52-week range $0.97–$7.91; today's close sits at 12% of that range, 77.5% below the 52-week high.
Oct 9, 2026 — CDIO rises 0.5% to $1.87
- Closed at $1.87, +0.54% vs the prior close of $1.86. Day range $1.87–$1.95, opened at $1.90.
- Volume was 16.40K shares, 0.4x its 50-day average of 40.27K — lighter than usual.
- Price is -2.4% vs its 50-day average ($1.92) and -12.8% vs its 200-day average ($2.14).
- 52-week range $0.97–$7.91; today's close sits at 13% of that range, 76.4% below the 52-week high.
Oct 8, 2026 — CDIO slides 5.1% to $1.86, a 1-month low, 3 down days in a row
- Closed at $1.86, -5.10% vs the prior close of $1.96. Day range $1.85–$1.99, opened at $1.99.
- Volume was 57.30K shares, 1.5x its 50-day average of 39.44K.
- Price is -2.6% vs its 50-day average ($1.91) and -13.5% vs its 200-day average ($2.15).
- 52-week range $0.97–$7.91; today's close sits at 13% of that range, 76.5% below the 52-week high.
- That makes 3 straight losses.
Oct 7, 2026 — CDIO dips 2.0% to $1.96
- Closed at $1.96, -2.00% vs the prior close of $2.00. Day range $1.95–$2.03, opened at $2.00.
- Volume was 30.20K shares, 0.8x its 50-day average of 39.29K.
- Price is +2.9% vs its 50-day average ($1.90) and -9.2% vs its 200-day average ($2.16).
- 52-week range $0.97–$7.91; today's close sits at 14% of that range, 75.2% below the 52-week high.
Oct 6, 2026 — CDIO dips 2.9% to $2.00
- Closed at $2.00, -2.91% vs the prior close of $2.06. Day range $1.98–$2.07, opened at $2.02.
- Volume was 20.90K shares, 0.5x its 50-day average of 40.75K — lighter than usual.
- Price is +5.4% vs its 50-day average ($1.90) and -7.5% vs its 200-day average ($2.16).
- 52-week range $0.97–$7.91; today's close sits at 15% of that range, 74.7% below the 52-week high.
Oct 5, 2026 — CDIO jumps 5.1% to $2.06, 4 up days in a row
- Closed at $2.06, +5.10% vs the prior close of $1.96. Day range $1.98–$2.23, opened at $1.98.
- Volume was 39.10K shares, 0.6x its 50-day average of 64.73K.
- Price is +9.0% vs its 50-day average ($1.89) and -4.9% vs its 200-day average ($2.17).
- 52-week range $0.97–$7.91; today's close sits at 16% of that range, 74.0% below the 52-week high.
- That makes 4 straight gains.
Oct 2, 2026 — CDIO rises 2.1% to $1.96, 3 up days in a row
- Closed at $1.96, +2.08% vs the prior close of $1.92. Day range $1.86–$1.97, opened at $1.97.
- Volume was 26.10K shares, 0.4x its 50-day average of 64.65K — lighter than usual.
- Price is +4.3% vs its 50-day average ($1.88) and -9.8% vs its 200-day average ($2.17).
- 52-week range $0.97–$7.91; today's close sits at 14% of that range, 75.2% below the 52-week high.
- That makes 3 straight gains.
CDIO latest news & SEC filings
Every SEC filing by or about CDIO in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Oct 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Oct 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Oct 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Sep 18, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.07 — Reported shareholder vote results.
Sep 8, 2026 · Form DEFA14A — Additional proxy materials
Additional proxy materials
Aug 20, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Aug 7, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $5.36K (prior year $7.47K) (-28.3% vs Jun 30, 2025)
- Net income: -$1.50M (prior year -$1.68M) (loss narrowed vs Jun 30, 2025)
- Diluted EPS: -$0.51 (prior year -$0.97) (loss narrowed vs Jun 30, 2025)
Aug 7, 2026 · Form DEFA14A — Additional proxy materials
Additional proxy materials
Aug 5, 2026 · Form DEF 14A — Proxy statement
Proxy statement — agenda for the shareholder meeting (board elections, executive pay, votes)
Jul 23, 2026 · Form ARS — Annual report to shareholders
Annual report to shareholders
Jul 13, 2026 · Form PRE 14A — Preliminary proxy statement
Preliminary proxy statement
Jul 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jul 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Things to know before you trade CDIO
- How much it moves: over the last 20 sessions the average daily move was 2.45% (largest 5.4%).
- Liquidity: about 31.47K shares (≈$55.39K) trade per day on average. Thin volume can mean wider bid/ask spreads.
- 52-week position: $1.76 vs a range of $0.97–$7.91 (11% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: 1:30 on May 13, 2025
- Insider trades (Form 4, last 12 months, recent 25 shown): 0 open-market buys, 0 sales.
- Latest filings: 8-K Sep 18, 2026; 8-K Aug 20, 2026; 10-Q Aug 7, 2026.
- Share count: 2.96M shares outstanding (Aug 7, 2026), +67.9% vs a year earlier — notable dilution.
- Listing: Nasdaq · industry: In Vitro & In Vivo Diagnostic Substances.
CDIO market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 15, 2026 | 1.67 | 1.84 | 1.67 | 1.76 | 27.30K |
| Oct 14, 2026 | 1.77 | 1.78 | 1.67 | 1.67 | 31.90K |
| Oct 13, 2026 | 1.86 | 1.86 | 1.75 | 1.75 | 19.80K |
| Oct 12, 2026 | 1.90 | 1.91 | 1.65 | 1.78 | 61.60K |
| Oct 9, 2026 | 1.90 | 1.95 | 1.87 | 1.87 | 16.40K |
| Oct 8, 2026 | 1.99 | 1.99 | 1.85 | 1.86 | 57.30K |
| Oct 7, 2026 | 2.00 | 2.03 | 1.95 | 1.96 | 30.20K |
| Oct 6, 2026 | 2.02 | 2.07 | 1.98 | 2.00 | 20.90K |
| Oct 5, 2026 | 1.98 | 2.23 | 1.98 | 2.06 | 39.10K |
| Oct 2, 2026 | 1.97 | 1.97 | 1.86 | 1.96 | 26.10K |
| Oct 1, 2026 | 1.88 | 1.95 | 1.88 | 1.92 | 16.80K |
| Sep 30, 2026 | 1.87 | 2.02 | 1.85 | 1.90 | 33.50K |
| Sep 29, 2026 | 1.91 | 1.92 | 1.85 | 1.87 | 37.80K |
| Sep 28, 2026 | 1.94 | 1.95 | 1.88 | 1.89 | 10.30K |
| Sep 25, 2026 | 1.90 | 1.97 | 1.89 | 1.95 | 38.90K |
| Sep 24, 2026 | 1.93 | 1.97 | 1.89 | 1.91 | 17.60K |
| Sep 23, 2026 | 1.98 | 2.03 | 1.87 | 1.92 | 32.60K |
| Sep 22, 2026 | 1.94 | 1.96 | 1.91 | 1.92 | 16.00K |
| Sep 21, 2026 | 2.07 | 2.07 | 1.91 | 1.92 | 23.70K |
| Sep 18, 2026 | 2.04 | 2.16 | 1.92 | 2.02 | 71.60K |
About Cardio Diagnostics
Cardio Diagnostics (CDIO) is listed on the Nasdaq and classified by the SEC under “In Vitro & In Vivo Diagnostic Substances”. Its business address is in CHICAGO, IL. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1870144.
CDIO board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Wendy J Betts | Director | Jul 2, 2026 |
| Paul Frederick Burton | Director | Jul 2, 2026 |
| Peter K Fung | Director | Jul 2, 2026 |
| James Intrater | Director | Jul 2, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| No Form 3/4/5 filings by this group in the last 12 months. | ||
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| No open-market insider buys or sales reported in the last 12 months. | ||||
CDIO financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $14.82K | $-6.50M | -3.71 | $-5.73M |
| Dec 31, 2024 | $34.89K | $-8.38M | -9.35 | $-4.99M |
| Dec 31, 2023 | $17.07K | $-8.38M | -0.66 | $-5.67M |
| Dec 31, 2022 | $950 | $-4.66M | -1.51 | $-5.09M |
| Dec 31, 2021 | $901 | $-620.45K | -0.53 | $-585.29K |
Latest balance sheet: total assets $7.93M, total liabilities $499.78K, cash $0 (as of Jun 30, 2026).
CDIO earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| No 8-K earnings releases in recent filings. | ||
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.