Nasdaq · CIK 0001014763
AIMD Ainos, Inc.
Insider trading from SEC Form 4. Last filing Jun 9, 2026. Close $1.21 on Oct 9, 2026, 0% from the 52-week low and -72% from the high.
In brief
Ainos, Inc. (AIMD) has 70 SEC Form 4 filings on file from 10 insiders, the latest filed on Jun 9, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
21 open-market trades have been scored at AIMD. The newest: yao-chung chiang (director) bought $7,175 of stock on Jun 5, 2026, filed Jun 9, 2026, scored 34 (weak). The largest of the 21 shown: ting-chuan lee (director) sold $209k on May 26, 2026, scored 47 (moderate). 3 insiders sold within 14 days of each other around May 22, 2026.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Ainos, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 34Weak | yao-chung chiang director buy | $7,175 3,500 shares | +45% | +51% from low-54% from high | |
| 34Weak | yao-chung chiang director buy | $4,260 2,000 shares | +35% | +71% from low-48% from high | |
| 28Weak | yao-chung chiang director buy | $575 250 shares | +5% | +112% from low-36% from high | |
| 38Weak | yao-chung chiang director buy | $4,000 2,000 shares | +57% | +98% from low-40% from high | |
| 37Weak | chung-jung tsai director sell | $54k 28,800 shares | -4% | +19% from low-64% from high | |
| 37Weak | Taiwan Carbon Nano Technology Corp owner sell | $97k 41,000 shares | -4% | +145% from low-26% from high | |
| 47Moderate | ting-chuan lee director sell | $209k 109,988 shares | -12% | +145% from low-26% from high | |
| 35Weak | ting-chuan lee director sell | $29k 18,302 shares | -2% | +22% from low-63% from high | |
| 38Weak | yao-chung chiang director buy | $4,521 2,700 shares | +326% | +29% from low-61% from high | |
| 31Weak | yao-chung chiang director buy | $219 129 shares | +18% | +34% from low-59% from high | |
| 33Weak | yao-chung chiang director buy | $511 300 shares | +75% | +33% from low-60% from high | |
| 22Weak | Taiwan Carbon Nano Technology Corp owner sell | $100k 46,000 shares | -4% | +30% from low-50% from high | |
| 12Weak | Taiwan Carbon Nano Technology Corp owner sell | $2,336 1,281 shares | -0% | +9% from low-58% from high | |
| 17Weak | Taiwan Carbon Nano Technology Corp owner sell | $25k 7,000 shares | -1% | +81% from low-6% from high | |
| 12Weak | Taiwan Carbon Nano Technology Corp owner sell | $7,170 2,000 shares | -0% | +69% from low-13% from high | |
| 12Weak | Taiwan Carbon Nano Technology Corp owner sell | $9,425 2,706 shares | -0% | +63% from low-16% from high | |
| 21Weak | Taiwan Carbon Nano Technology Corp owner sell | $86k 31,191 shares | -3% | +9% from low-43% from high | |
| 18Weak | Taiwan Carbon Nano Technology Corp owner sell | $39k 14,001 shares | -1% | +31% from low-32% from high | |
| 23Weak | chung-jung tsai director sell | $8,540 17,000 shares | -1% | - | |
| 23Weak | ting-chuan lee director sell | $1,476 2,894 shares | -0% | - | |
| 23Weak | chung-jung tsai director sell | $14k 25,903 shares | -2% | - |
Transactions
The newest 50 of 169 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 5, 2026 | yao-chung chiang director | POpen-market purchase Common Stockindirect: By Spouse | +3,500 | $2.05 | $7,175 | 11,279 | Jun 9, 2026 |
| Jun 3, 2026 | yao-chung chiang director | POpen-market purchase Common Stockindirect: By Spouse | +2,000 | $2.13 | $4,260 | 7,779 | Jun 5, 2026 |
| May 28, 2026 | yao-chung chiang director | POpen-market purchase Common Stockindirect: By Spouse | +250 | $2.30 | $575 | 5,779 | Jun 1, 2026 |
| May 27, 2026 | yao-chung chiang director | POpen-market purchase Common Stockindirect: By Spouse | +2,000 | $2.00 | $4,000 | 5,529 | May 29, 2026 |
| May 26, 2026 | ting-chuan lee director | SOpen-market sale Common Stock | -109,988 | $1.90 | $209k | 807,417 | May 27, 2026 |
| May 26, 2026 | Taiwan Carbon Nano Technology Corp owner | SOpen-market sale Common Stock | -41,000 | $2.36 | $97k | 948,925 | May 27, 2026 |
| May 22, 2026 | chung-jung tsai director | SOpen-market sale Common Stock | -1,082 | $1.55 | $1,677 | 685,917 | May 27, 2026 |
| May 26, 2026 | chung-jung tsai director | SOpen-market sale Common Stock | -27,718 | $1.87 | $52k | 658,199 | May 27, 2026 |
| May 21, 2026 | ting-chuan lee director | SOpen-market sale Common Stock | -9,000 | $1.56 | $14k | 926,707 | May 26, 2026 |
| May 22, 2026 | ting-chuan lee director | SOpen-market sale Common Stock | -9,302 | $1.57 | $15k | 917,405 | May 26, 2026 |
| May 18, 2026 | yao-chung chiang director | POpen-market purchase Common Stockindirect: By Spouse | +500 | $1.65 | $825 | 1,329 | May 20, 2026 |
| May 19, 2026 | yao-chung chiang director | POpen-market purchase Common Stockindirect: By Spouse | +2,200 | $1.68 | $3,696 | 3,529 | May 20, 2026 |
| May 5, 2026 | yao-chung chiang director | POpen-market purchase Common Stockindirect: By Spouse | +129 | $1.70 | $219 | 829 | May 7, 2026 |
| Apr 29, 2026 | yao-chung chiang director | POpen-market purchase Common Stockindirect: By Spouse | +100 | $1.75 | $175 | 500 | May 1, 2026 |
| Apr 30, 2026 | yao-chung chiang director | POpen-market purchase Common Stockindirect: By Spouse | +200 | $1.68 | $336 | 700 | May 1, 2026 |
| Apr 15, 2026 | ting-chuan lee director | AGrant or award Common Stock | +570,000 | $1.61 | $918k | 935,707 | Apr 17, 2026 |
| Apr 15, 2026 | chun-hsien tsai CEO, PRESIDENT, CHAIRMAN | AGrant or award Common Stock | +300,000 | $1.61 | $483k | 710,372 | Apr 17, 2026 |
| Apr 15, 2026 | chung-jung tsai director | AGrant or award Common Stock | +330,000 | $1.61 | $531k | 686,999 | Apr 17, 2026 |
| Apr 15, 2026 | ting-chuan lee director | AGrant or award RSUderivative | +570,000 | - | - | 570,000 | Apr 17, 2026 |
| Apr 15, 2026 | chun-hsien tsai CEO, PRESIDENT, CHAIRMAN | AGrant or award RSUderivative | +300,000 | - | - | 300,000 | Apr 17, 2026 |
| Apr 15, 2026 | chung-jung tsai director | AGrant or award RSUderivative | +330,000 | - | - | 330,000 | Apr 17, 2026 |
| Apr 15, 2026 | ting-chuan lee director | CConversion RSUderivative | -570,000 | - | - | 0 | Apr 17, 2026 |
| Apr 15, 2026 | chung-jung tsai director | CConversion RSUderivative | -330,000 | - | - | 0 | Apr 17, 2026 |
| Apr 15, 2026 | chun-hsien tsai CEO, PRESIDENT, CHAIRMAN | CConversion RSUderivative | -300,000 | - | - | 0 | Apr 17, 2026 |
| Apr 12, 2026 | ASE Test, Inc. owner | POpen-market purchase 6% Convertible Note due 2027 (previously due 2025)derivative | +5,994 | - | - | 105,868 | Apr 15, 2026 |
| Jan 28, 2026 | Taiwan Carbon Nano Technology Corp owner | SOpen-market sale Common Stock | -46,000 | $2.17 | $100k | 989,925 | Jan 29, 2026 |
| Jan 8, 2026 | Taiwan Carbon Nano Technology Corp owner | SOpen-market sale Common Stock | -850 | $1.80 | $1,534 | 1,036,356 | Jan 12, 2026 |
| Jan 9, 2026 | Taiwan Carbon Nano Technology Corp owner | SOpen-market sale Common Stock | -431 | $1.86 | $802 | 1,035,925 | Jan 12, 2026 |
| Nov 25, 2025 | chung-yi tsai director | AGrant or award Common Stock | +50,000 | $2.10 | $105k | 90,880 | Nov 26, 2025 |
| Nov 25, 2025 | Hsin-Liang Christopher Lee CFO | AGrant or award Common Stock | +20,000 | $2.10 | $42k | 75,275 | Nov 26, 2025 |
| Nov 25, 2025 | wen-han chang director | AGrant or award Common Stock | +50,000 | $2.10 | $105k | 101,546 | Nov 26, 2025 |
| Nov 25, 2025 | chun-hsien tsai CEO, PRESIDENT, CHAIRMAN | AGrant or award Common Stock | +80,000 | $2.10 | $168k | 410,372 | Nov 26, 2025 |
| Nov 25, 2025 | yao-chung chiang director | AGrant or award Common Stock | +50,000 | $2.10 | $105k | 91,280 | Nov 26, 2025 |
| Nov 25, 2025 | chung-jung tsai director | AGrant or award Common Stock | +80,000 | $2.10 | $168k | 356,999 | Nov 26, 2025 |
| Nov 25, 2025 | Pao-Sheng Wei director | AGrant or award Common Stock | +50,000 | $2.10 | $105k | 90,880 | Nov 26, 2025 |
| Nov 25, 2025 | ting-chuan lee director | AGrant or award Common Stock | +80,000 | $2.10 | $168k | 365,707 | Nov 26, 2025 |
| Nov 25, 2025 | chung-yi tsai director | AGrant or award RSUderivative | +50,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | Hsin-Liang Christopher Lee CFO | AGrant or award RSUderivative | +20,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | wen-han chang director | AGrant or award RSUderivative | +50,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | chun-hsien tsai CEO, PRESIDENT, CHAIRMAN | AGrant or award RSUderivative | +80,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | yao-chung chiang director | AGrant or award RSUderivative | +50,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | Pao-Sheng Wei director | AGrant or award RSUderivative | +50,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | chung-jung tsai director | AGrant or award RSUderivative | +80,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | ting-chuan lee director | AGrant or award RSUderivative | +80,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | chung-yi tsai director | CConversion RSUderivative | -50,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | Hsin-Liang Christopher Lee CFO | CConversion RSUderivative | -20,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | wen-han chang director | CConversion RSUderivative | -50,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | chun-hsien tsai CEO, PRESIDENT, CHAIRMAN | CConversion RSUderivative | -80,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | yao-chung chiang director | CConversion RSUderivative | -50,000 | - | - | 0 | Nov 26, 2025 |
| Nov 25, 2025 | chung-jung tsai director | CConversion RSUderivative | -80,000 | - | - | 0 | Nov 26, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- ASE Test, Inc.owner
- Hsin-Liang Christopher LeeCFO
- Taiwan Carbon Nano Technology Corpowner
- Pao-Sheng Weidirector
- wen-han changdirector
- yao-chung chiangdirector
- ting-chuan leedirector
- chun-hsien tsaiCEO, PRESIDENT, CHAIRMAN
- chung-jung tsaidirector
- chung-yi tsaidirector
Questions about AIMD
Answered from the filings on this page, as of the latest one.
Are insiders buying AIMD?
No. In the last 90 days no insider at Ainos, Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade AIMD on the open market?
yao-chung chiang (director) bought $7,175 of AIMD on Jun 5, 2026 and filed the Form 4 on Jun 9, 2026. InsiderTell scored 34 (weak).
How many insiders file Form 4 at Ainos, Inc.?
10 people have filed a Form 4 at Ainos, Inc., among them ASE Test, Inc. (10% owner), Hsin-Liang Christopher Lee (CFO), Taiwan Carbon Nano Technology Corp (10% owner). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.