STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
5
13F, latest reported quarter
What the filings say about AIMD
Insiders, 180 days
-$367.1K net sold
1 buyer · 3 sellers · 0% of sales under a 10b5-1 plan
Ainos insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, Ainos, Inc. insiders sold a net $367.1K of stock across 41 Form 4 purchases and sales, with 1 insider buying. Source: SEC Form 4 filings, as of 2026-10-28.
9 earlier Form 4 trades (code P or S) here by this insider (9 buys), the last on Jun 3, 2026.
-23.8% median (-24.9% mean) 90-day return after 9 previous buys.
The trade is 31.0% of the 11,279 shares held after it.
No other insider bought within 30 days.
5 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director chiang yao-chung bought about $7.2K of AIMD on Jun 5, 2026, the largest insider purchase at the company since 2023; 5 funds added in the latest 13F quarter.
8 earlier Form 4 trades (code P or S) here by this insider (8 buys), the last on May 28, 2026.
-20.0% median (-23.4% mean) 90-day return after 8 previous buys.
The trade is 25.7% of the 7,779 shares held after it.
No other insider bought within 30 days.
5 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director chiang yao-chung bought about $4.3K of AIMD on Jun 3, 2026, the largest insider purchase at the company since 2023; 5 funds added in the latest 13F quarter.
6 earlier Form 4 trades (code P or S) here by this insider (6 buys), the last on May 19, 2026.
-15.3% median (-16.0% mean) 90-day return after 6 previous buys.
The trade is 36.2% of the 5,529 shares held after it.
No other insider bought within 30 days.
5 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director chiang yao-chung bought about $4.0K of AIMD on May 27, 2026, the largest insider purchase at the company since 2023; 5 funds added in the latest 13F quarter.
4 earlier Form 4 trades (code P or S) here by this insider (1 buy, 3 sales), the last on May 22, 2026.
The trade is 13.6% of the 807,417 shares held after it.
2 other insiders sold within 30 days.
5 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director lee ting-chuan sold about $209.0K of AIMD on May 26, 2026, the largest insider sale at the company since 2023; 2 other insiders sold within 30 days and 5 funds added in the latest 13F quarter.
41 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
No insider has filed to sell. Watch this after a run-up.
AIMD mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
Fidelity Extended Market Index Fund
$115.7K position · as of 2026-05-31
0.0%
VANGUARD EXTENDED MARKET INDEX FUND
$31.1K position · as of 2026-06-30
0.0%
Fidelity Series Total Market Index Fund
$4.9K position · as of 2026-05-31
0.0%
Fidelity Nasdaq Composite Index Fund
$942 position · as of 2026-05-31
0.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $367.1K sold by insiders over 180 days, 5 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$13.6K
four quarters, 2025-07-01 to 2026-06-30
Revenue, TTM AIMD
FY Dec 2025
$124.2K
FY Dec 2024
$20.7K
FY Dec 2023
$122.1K
FY Dec 2022
$3.5M
FY Dec 2021
$594.6K
Jun 2026
$152
Mar 2026
$161
Dec 2025
$11.1K
Sep 2025
$2.2K
Jun 2025
$4.7K
Mar 2025
$106.2K
Dec 2024
$0
Sep 2024
$0
At each fiscal year end
Single quarter
Net margin, TTM
n/a
revenue under $1M, the ratio says nothing
Net margin, TTM AIMD
FY Dec 2025
n/a
FY Dec 2024
n/a
FY Dec 2023
n/a
FY Dec 2022
-398.0%
FY Dec 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Single quarter
Free cash flow, TTM
-$4.5M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM AIMD
FY Dec 2025
-$4.6M
FY Dec 2024
-$5.8M
FY Dec 2023
-$4.8M
FY Dec 2022
-$3.7M
FY Dec 2021
-$1.4M
Jun 2026
-$1.5M
Mar 2026
-$992.0K
Dec 2025
-$853.5K
Sep 2025
-$1.2M
Jun 2025
-$1.3M
Mar 2025
-$1.3M
Dec 2024
-$865.1K
Sep 2024
-$1.5M
At each fiscal year end
Single quarter
Debt to equity
n/a
no debt line filed
Debt to equity AIMD
FY Dec 2025
n/a
FY Dec 2024
n/a
FY Dec 2023
n/a
FY Dec 2022
n/a
FY Dec 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
n/a
no debt line filed
Cash flow to debt AIMD
FY Dec 2025
n/a
FY Dec 2024
n/a
FY Dec 2023
n/a
FY Dec 2022
n/a
FY Dec 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
-196.3%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on equity AIMD
FY Dec 2025
-128.0%
FY Dec 2024
-74.4%
FY Dec 2023
-46.6%
FY Dec 2022
-62.5%
FY Dec 2021
-83.1%
Jun 2026
-196.3%
Mar 2026
-148.2%
Dec 2025
-128.0%
Sep 2025
-106.6%
Jun 2025
-97.8%
Mar 2025
-82.9%
Dec 2024
-74.4%
Sep 2024
-70.6%
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
-66.5%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets AIMD
FY Dec 2025
-59.5%
FY Dec 2024
-49.0%
FY Dec 2023
-39.9%
FY Dec 2022
-35.9%
FY Dec 2021
-18.9%
Jun 2026
-66.5%
Mar 2026
-57.6%
Dec 2025
-59.5%
Sep 2025
-55.3%
Jun 2025
-52.9%
Mar 2025
-52.9%
Dec 2024
-49.0%
Sep 2024
-49.5%
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on invested capital AIMD
FY Dec 2025
n/a
FY Dec 2024
n/a
FY Dec 2023
n/a
FY Dec 2022
n/a
FY Dec 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
-103.5%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
Return on capital employed AIMD
FY Dec 2025
-62.7%
FY Dec 2024
-50.0%
FY Dec 2023
-40.5%
FY Dec 2022
-62.3%
FY Dec 2021
-82.4%
Jun 2026
-103.5%
Mar 2026
-64.6%
Dec 2025
-62.7%
Sep 2025
-58.1%
Jun 2025
-54.9%
Mar 2025
-55.7%
Dec 2024
-50.0%
Sep 2024
-49.5%
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
P/E, trailing AIMD
FY Dec 2025
n/a
FY Dec 2024
n/a
FY Dec 2023
n/a
FY Dec 2022
n/a
FY Dec 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
n/a
no debt line filed
Enterprise value AIMD
FY Dec 2025
n/a
FY Dec 2024
n/a
FY Dec 2023
n/a
FY Dec 2022
n/a
FY Dec 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
-76.6%
TTM free cash flow over market value at close 2026-10-27
FCF yield AIMD
FY Dec 2025
-58.9%
FY Dec 2024
-18.5%
FY Dec 2023
-2.3%
FY Dec 2022
-1.2%
FY Dec 2021
-0.0%
Jun 2026
-27.2%
Mar 2026
-43.4%
Dec 2025
-58.9%
Sep 2025
-28.9%
Jun 2025
-8.4%
Mar 2025
-14.8%
Dec 2024
-18.5%
Sep 2024
-34.4%
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
PEG, trailing AIMD
FY Dec 2025
n/a
FY Dec 2024
n/a
FY Dec 2023
n/a
FY Dec 2022
n/a
FY Dec 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-10-27. Hover or tap a tile for its yearly and quarterly history.Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
AIMD ranks highest on growth (97th percentile) and insider conviction (71st), and lowest on institutional and government (3rd), among Tech Hardware peers.
Profitability
10
Inputs
Return on equity-196.3% · 8 pct, sector of 77
Return on assets-66.5% · 15 pct, sector of 92
Return on invested capitaltax provision or pre-tax income not filed for the four quarters
Return on capital employed-103.5% · 6 pct, sector of 72
Growth
97
Inputs
Revenue growth, YoY+499.0% · 97 pct, sector of 102
Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
71
Inputs
Net Form 4 buying (codes P and S), 180d-$367K · 62 pct, sector of 75
Insider buyers, 180d1 · 79 pct, sector of 77
Institutional and government
3
Inputs
Funds adding, latest quarter5 · 3 pct, sector of 89
Congress net buyers, 365dno Congress trades in 365 days
Federal contracts, 180dno federal contracts in 180 days
Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
63
Inputs
Short interest, % of float+2.0% · 74 pct, sector of 106
Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
New text in Risk Factors, latest 10-K+12.7% · 52 pct, sector of 80
2 not measured: Financial health, US patents
Financial health needs 1 of 2 inputs, 0 present: no debt line filed
US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet
5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
AIMD filings, in plain words
Are Ainos insiders buying or selling AIMD?
In the 180 days to 2026-10-28, Ainos insiders were net sellers, a net $367.1K: $20.8K of purchases and $387.9K of sales reported on Form 4, by 1 buyer and 3 sellers.
Read the full summary
In the 180 days to 2026-10-28, Ainos insiders were net sellers of AIMD, a net $367.1K across purchases and sales reported on Form 4 by 1 buyer and 3 sellers. Sales outweighed purchases more than tenfold by value. None of the 6 insider sales was flagged as made under a Rule 10b5-1 plan. The latest 5% ownership filing is a 13D by ScentAI Inc., filed 2026-01-27, for 16.5% of the class. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.
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