AIMD

Ainos, Inc.

SEC CIK 1014763
$1.91 −6.4% · 90 days
90-day buys
$21.3K
9 open-market
90-day sells
$387.9K
6 open-market
Net insider flow
−$366.6K
Net selling
Filings shown
29
Most recent
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At a glance

Over the last 90 days, insiders at AIMD have sold a net $366.6K of stock (9 open-market buys vs 6 sells).

Largest recent trade: Lee Ting-chuan sold $209K of AIMD, trimming their stake 12%.

Most active filer: Chiang Yao-chung, with 10 transactions among the recent filings shown.

Insider transaction history

Form 4 filings for AIMD, newest first
View on SEC EDGAR ↗
AIMD
Buy chiang yao-chung · Director · Open-market purchase · filed 6d ago ΔOwn +45%

Chiang Yao-chung, AIMD's Director, spent $7.2K of their own money on 3,500 shares at $2, growing their stake 45%.

+$7.2K
3,500 sh @ $2
AIMD
Buy chiang yao-chung · Director · Open-market purchase · filed 1w ago ΔOwn +35%

Chiang Yao-chung, AIMD's Director, spent $4.3K of their own money on 2,000 shares at $2, growing their stake 35%.

+$4.3K
2,000 sh @ $2
AIMD
Buy chiang yao-chung · Director · Open-market purchase · filed 2w ago ΔOwn +4.5%

Chiang Yao-chung, AIMD's Director, spent $575 of their own money on 250 shares at $2, growing their stake 5%.

+$575
250 sh @ $2
AIMD
Buy chiang yao-chung · Director · Open-market purchase · filed 2w ago ΔOwn +57%

Chiang Yao-chung, AIMD's Director, spent $4K of their own money on 2,000 shares at $2, growing their stake 57%.

+$4K
2,000 sh @ $2
AIMD
Sell lee ting-chuan · Director · Open-market sale · filed 2w ago ΔOwn −12%

Lee Ting-chuan sold $209K of AIMD, trimming their stake 12%.

−$209K
109,988 sh @ $2
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AIMD
Sell Taiwan Carbon Nano Technology Corp · 10% Owner · Open-market sale · filed 2w ago ΔOwn −4.1%

Taiwan Carbon Nano Technology Corp sold $96.8K of AIMD, trimming their stake 4%.

−$96.8K
41,000 sh @ $2
AIMD
Sell TSAI CHUN-JUNG · Director · Open-market sale · filed 2w ago ΔOwn −4.0%

Tsai Chun-jung sold $51.8K of AIMD, trimming their stake 4%.

−$51.8K
27,718 sh @ $2
AIMD
Sell TSAI CHUN-JUNG · Director · Open-market sale · filed 2w ago ΔOwn −0.2%

Tsai Chun-jung sold $1.7K of AIMD.

−$1.7K
1,082 sh @ $2
AIMD
Sell lee ting-chuan · Director · Open-market sale · filed 2w ago ΔOwn −1.0%

Lee Ting-chuan sold $14.6K of AIMD, trimming their stake 1%.

−$14.6K
9,302 sh @ $2
AIMD
Sell lee ting-chuan · Director · Open-market sale · filed 2w ago ΔOwn −1.0%

Lee Ting-chuan sold $14K of AIMD, trimming their stake 1%.

−$14K
9,000 sh @ $2
AIMD
Buy chiang yao-chung · Director · Open-market purchase · filed 3w ago ΔOwn +166%

Chiang Yao-chung, AIMD's Director, spent $3.7K of their own money on 2,200 shares at $2, growing their stake 166%.

+$3.7K
2,200 sh @ $2
AIMD
Buy chiang yao-chung · Director · Open-market purchase · filed 3w ago ΔOwn +60%

Chiang Yao-chung, AIMD's Director, spent $825 of their own money on 500 shares at $2, growing their stake 60%.

+$825
500 sh @ $2
AIMD
Buy chiang yao-chung · Director · Open-market purchase · filed May 7, 2026 ΔOwn +18%

Chiang Yao-chung, AIMD's Director, spent $219 of their own money on 129 shares at $2, growing their stake 18%.

+$219
129 sh @ $2
AIMD
Buy chiang yao-chung · Director · Open-market purchase · filed May 1, 2026 ΔOwn +40%

Chiang Yao-chung, AIMD's Director, spent $336 of their own money on 200 shares at $2, growing their stake 40%.

+$336
200 sh @ $2
AIMD
Buy chiang yao-chung · Director · Open-market purchase · filed May 1, 2026 ΔOwn +25%

Chiang Yao-chung, AIMD's Director, spent $175 of their own money on 100 shares at $2, growing their stake 25%.

+$175
100 sh @ $2
AIMD
Grant/award TSAI CHUN-JUNG · Director · Grant/award · filed Apr 17, 2026 ΔOwn +92%
+$531.3K
330,000 sh @ $2
AIMD
Grant/award tsai chun-hsien · Director, CEO, PRESIDENT, CHAIRMAN · Grant/award · filed Apr 17, 2026 ΔOwn +73%
+$483K
300,000 sh @ $2
AIMD
Grant/award lee ting-chuan · Director · Grant/award · filed Apr 17, 2026 ΔOwn +156%
+$917.7K
570,000 sh @ $2
AIMD
Sell Taiwan Carbon Nano Technology Corp · 10% Owner · Open-market sale · filed Jan 29, 2026 ΔOwn −4.4%

Taiwan Carbon Nano Technology Corp sold $99.8K of AIMD, trimming their stake 4%.

−$99.8K
46,000 sh @ $2
AIMD
Grant/award tsai chun-hsien · Director, CEO, PRESIDENT, CHAIRMAN · Grant/award · filed Nov 26, 2025 ΔOwn +24%
+$168K
80,000 sh @ $2
AIMD
Grant/award lee ting-chuan · Director · Grant/award · filed Nov 26, 2025 ΔOwn +28%
+$168K
80,000 sh @ $2
AIMD
Grant/award chang wen-han · Director · Grant/award · filed Nov 26, 2025 ΔOwn +97%
+$105K
50,000 sh @ $2
AIMD
Grant/award tsai chung-yi · Director · Grant/award · filed Nov 26, 2025 ΔOwn +122%
+$105K
50,000 sh @ $2
AIMD
Grant/award WEI PAO-SHENG · Director · Grant/award · filed Nov 26, 2025 ΔOwn +122%
+$105K
50,000 sh @ $2
AIMD
Grant/award TSAI CHUN-JUNG · Director · Grant/award · filed Nov 26, 2025 ΔOwn +29%
+$168K
80,000 sh @ $2
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About AIMD insider activity

This page tracks every recent Form 4 filed for Ainos, Inc. with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.

The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.

Frequently asked questions

How often is AIMD insider data updated?

Continuously. We read from SEC EDGAR, so new Form 4 filings for Ainos, Inc. usually appear here within minutes of being accepted by the SEC.

What does "net insider flow" mean?

It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.

Why do some rows show grants or option exercises instead of buys?

Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.

Is this investment advice?

No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.