As of the latest Form 4 filed Jun 9, 2026.
What Ainos Inc insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 21 most recent filings for AIMD.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-09 | 2026-06-05 | chiang yao-chung Director | PPurchase | +3.50K | $2.05 | $7.17K | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | chiang yao-chung Director | PPurchase | +2.00K | $2.13 | $4.26K | No | Form 4 ↗ |
| 2026-06-01 | 2026-05-28 | chiang yao-chung Director | PPurchase | +250.00 | $2.30 | $575.00 | No | Form 4 ↗ |
| 2026-05-29 | 2026-05-27 | chiang yao-chung Director | PPurchase | +2.00K | $2.00 | $4.00K | No | Form 4 ↗ |
| 2026-05-27 | 2026-05-26 | lee ting-chuan Director | SSale | −110K | $1.90 | $209K | No | Form 4 ↗ |
| 2026-05-27 | 2026-05-26 | Taiwan Carbon Nano Technology Corp 10% owner | SSale | −41.0K | $2.36 | $96.8K | No | Form 4 ↗ |
| 2026-05-27 | 2026-05-26 | TSAI CHUN-JUNG Director | SSale | −27.7K | $1.87 | $51.8K | No | Form 4 ↗ |
| 2026-05-27 | 2026-05-22 | TSAI CHUN-JUNG, Director | SSale | −1.08K | $1.55 | $1.68K | No | Form 4 ↗ |
| 2026-05-26 | 2026-05-22 | lee ting-chuan Director | SSale | −9.30K | $1.57 | $14.6K | No | Form 4 ↗ |
| 2026-05-26 | 2026-05-21 | lee ting-chuan, Director | SSale | −9.00K | $1.56 | $14.0K | No | Form 4 ↗ |
| 2026-05-20 | 2026-05-19 | chiang yao-chung Director | PPurchase | +2.20K | $1.68 | $3.70K | No | Form 4 ↗ |
| 2026-05-20 | 2026-05-18 | chiang yao-chung, Director | PPurchase | +500.00 | $1.65 | $825.00 | No | Form 4 ↗ |
| 2026-05-07 | 2026-05-05 | chiang yao-chung Director | PPurchase | +129.00 | $1.70 | $219.30 | No | Form 4 ↗ |
| 2026-05-01 | 2026-04-30 | chiang yao-chung Director | PPurchase | +200.00 | $1.68 | $336.00 | No | Form 4 ↗ |
| 2026-05-01 | 2026-04-29 | chiang yao-chung, Director | PPurchase | +100.00 | $1.75 | $175.00 | No | Form 4 ↗ |
| 2026-04-17 | 2026-04-15 | TSAI CHUN-JUNG Director | AAward | +330K | $1.61 | $531K | No | Form 4 ↗ |
| 2026-04-17 | 2026-04-15 | tsai chun-hsien CEO, PRESIDENT, CHAIRMAN | AAward | +300K | $1.61 | $483K | No | Form 4 ↗ |
| 2026-04-17 | 2026-04-15 | lee ting-chuan Director | AAward | +570K | $1.61 | $918K | No | Form 4 ↗ |
| 2026-01-29 | 2026-01-28 | Taiwan Carbon Nano Technology Corp 10% owner | SSale | −46.0K | $2.17 | $99.8K | No | Form 4 ↗ |
| 2026-01-12 | 2026-01-09 | Taiwan Carbon Nano Technology Corp 10% owner | SSale | −431.00 | $1.86 | $801.66 | No | Form 4 ↗ |
| 2026-01-12 | 2026-01-08 | Taiwan Carbon Nano Technology Corp, 10% owner | SSale | −850.00 | $1.80 | $1.53K | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also AIMD’s full analysis or the market-wide insider trading feed. The tabs above jump to AIMD’s other SEC data.
Source: SEC Form 4 filings for AIMD, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
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