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AIMD

Ainos (AIMD) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $1.21 +0.0% on the day -69.4% over 12 months 52-week range $1.21 – $4.25

Share price and insider trades

AIMD closeInsider buyInsider sale
12345NovDecJan 2026FebMarAprMayJunJulAugSepOctEEarnings release filed 2025-11-13EEarnings release filed 2026-03-30EEarnings release filed 2026-05-13EEarnings release filed 2026-08-03Bought $175 on 2026-04-29 · Yao-chung ChiangBought $219 on 2026-05-05 · Yao-chung ChiangBought $336 on 2026-04-30 · Yao-chung ChiangBought $575 on 2026-05-28 · Yao-chung ChiangSold $802 on 2026-01-09 · Taiwan Carbon Nano Technology CorpBought $825 on 2026-05-18 · Yao-chung ChiangSold $1,530 on 2026-01-08 · Taiwan Carbon Nano Technology CorpBought $3,696 on 2026-05-19 · Yao-chung ChiangBought $4,000 on 2026-05-27 · Yao-chung ChiangBought $4,260 on 2026-06-03 · Yao-chung ChiangBought $7,175 on 2026-06-05 · Yao-chung ChiangSold $14,040 on 2026-05-21 · Ting-chuan LeeSold $16,281 on 2026-05-22 · Chun-jung Tsai, Ting-chuan LeeSold $99,820 on 2026-01-28 · Taiwan Carbon Nano Technology CorpSold $357,570 on 2026-05-26 · Chun-jung Tsai, Taiwan Carbon Nano Technology Corp, Ting-chuan Lee
Bought, 12 months$0
Sold, 12 months$490K
Insiders buying0
Insiders selling3

Ainos insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 3 sold $490K of AIMD stock on the open market.

AIMD insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q3 2025: $4K sold (1 trades)Q3 2025Q4 2025: $38K sold (3 trades)Q4 2025Q1 2026: $102K sold (3 trades)Q1 2026Q2 2026: $21K bought (9 trades)$21KQ2 2026: $388K sold (6 trades)Q2 2026Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0—0
Q2 2026$21K9$388K6
Q1 2026—0$102K3
Q4 2025—0$38K3
Q3 2025—0$4K1

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.2×Last 5 sessions
Insiders' paper profit−$8KOn all tracked purchases -38.1%

Summary

Over the past 12 months, 0 Ainos, Inc. insiders reported open-market purchases totaling $0, while 3 insiders reported sales totaling $490K. 0 of 13 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

AIMD earnings: how the stock reacted

Each quarterly results release (SEC 8-K Item 2.02), the trend before it, insider trades in the 30 days before, and the 2-day market reaction. “E” marks releases on the chart above.

Does it matter? →
Release15 days beforeInsiders, 30 days beforeReaction (2 days)Next 30 days
Aug 3, 2026 -21.8% None +6.0%S&P +3.3% +10.6%
May 13, 2026 -8.7% None +2.4%S&P +1.4% +11.0%
Mar 30, 2026 -4.8% None +0.0%S&P +2.6% +25.2%
Nov 13, 2025 -21.0% None -22.7%S&P -1.7% +2.7%
Aug 13, 2025 +21.3% None +17.5%S&P +0.4% -6.8%
May 12, 2025 -1.8% None +0.0%S&P +4.0% +1.5%
Mar 7, 2025 -28.0% None -3.2%S&P -2.1% +9.1%

Most companies bar insiders from trading in the weeks before results, so pre-earnings purchases are rare and often made by directors or under pre-set plans. Past reactions don't predict future ones.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Jun 9SEC Yao-chung ChiangDirector Buy 3,50011,279 held (+45%) $2.05 $7K -41.0% —
Jun 5SEC Yao-chung ChiangDirector Buy 2,0007,779 held (+35%) $2.13 $4K -43.2% —
Jun 1SEC Yao-chung ChiangDirector Buy 2505,779 held (+5%) $2.30 $575 -47.4% —
May 29SEC Yao-chung ChiangDirector Buy 2,0005,529 held (+57%) $2.00 $4K -39.5% —
May 27SEC Ting-chuan LeeDirector Sell 109,988807,417 held (−12%) $1.90 $209K -36.3% —
May 27SEC Taiwan Carbon Nano Technology Corp10% Owner Sell 41,000948,925 held (−4%) $2.36 $97K -48.7% —
May 27SEC Chun-jung TsaiDirector Sell 27,718658,199 held (−4%) $1.87 $52K -35.3% —
May 27SEC Chun-jung TsaiDirector Sell 1,082685,917 held (−0%) $1.55 $2K -21.9% —
May 26SEC Ting-chuan LeeDirector Sell 9,302917,405 held (−1%) $1.57 $15K -22.9% —
May 26SEC Ting-chuan LeeDirector Sell 9,000926,707 held (−1%) $1.56 $14K -22.4% —
May 20SEC Yao-chung ChiangDirector Buy 2,2003,529 held (+166%) $1.68 $4K -28.0% —
May 20SEC Yao-chung ChiangDirector Buy 5001,329 held (+60%) $1.65 $825 -26.7% —
May 7SEC Yao-chung ChiangDirector Buy 129829 held (+18%) $1.70 $219 -28.8% —
May 1SEC Yao-chung ChiangDirector Buy 200700 held (+40%) $1.68 $336 -28.0% —
May 1SEC Yao-chung ChiangDirector Buy 100500 held (+25%) $1.75 $175 -30.9% —
Jan 29SEC Taiwan Carbon Nano Technology Corp10% Owner Sell 46,000989,925 held (−4%) $2.17 $100K -44.2% —
Jan 12SEC Taiwan Carbon Nano Technology Corp10% Owner Sell 8501,036,356 held (−0%) $1.80 $2K -32.8% —
Jan 12SEC Taiwan Carbon Nano Technology Corp10% Owner Sell 4311,035,925 held (−0%) $1.86 $802 -34.9% —
Oct 8SEC Taiwan Carbon Nano Technology Corp10% Owner Sell 7,0001,037,206 held (−1%) $3.59 $25K -66.3% —
Oct 6SEC Taiwan Carbon Nano Technology Corp10% Owner Sell 2,0001,044,206 held (−0%) $3.59 $7K -66.3% —
Oct 2SEC Taiwan Carbon Nano Technology Corp10% Owner Sell 1,7001,046,206 held (−0%) $3.46 $6K -65.0% —
Oct 2SEC Taiwan Carbon Nano Technology Corp10% Owner Sell 1,0061,047,906 held (−0%) $3.52 $4K -65.6% —

Insiders at Ainos, Inc.

InsiderBoughtSoldLast filingScore
Taiwan Carbon Nano Technology Corp10% Owner — $241K May 27, 2026 —
Ting-chuan LeeDirector — $238K May 27, 2026 —
Yao-chung ChiangDirector $21K — Jun 9, 2026 —
Chun-jung TsaiDirector — $54K May 27, 2026 —

AIMD stock: common questions

Are Ainos, Inc. insiders buying AIMD stock?

In the past 12 months, 0 insiders reported open-market purchases of AIMD worth $0. The latest was Director Yao-chung Chiang bought $7K of AIMD at $2.05 — largest purchase by this insider in our records; raises the stake by 45%.

Are Ainos, Inc. insiders selling AIMD stock?

3 insiders reported sales worth $490K over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is AIMD's 52-week range?

Over the past year AIMD has traded between $1.21 and $4.25. It last closed at $1.21 on Oct 9, 2026.