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sellWeak cluster of 3

chung-jung tsai sold $54k of AIMD

director at Ainos, Inc.. 28,800 shares at an average of $1.86, traded May 22, 2026, filed May 27, 2026.

Warning score
37
Value
$54k
28,800 shares
Holdings after
658,199
-4% from before
From 52-week low
+19%
low $1.29, close $1.53
From 52-week high
-64%
high $4.25, as of May 22, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $54k at market
    +7
  • Share of holdings sold
    Sold 4.2% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

AIMDOct 9, 2026 · close 1.21
Since filing May 27, 2026: -52.7%SPY +4.2% · excess -56.9%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001493152-26-025482, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 22, 2026SOpen-market sale
Common Stock
-1,082$1.55$1,677685,917May 27, 2026
May 26, 2026SOpen-market sale
Common Stock
-27,718$1.87$52k658,199May 27, 2026

Related signals

Other insiders at Ainos, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
34Weak
AIMDbuy
Ainos, Inc.
yao-chung chiang
director
$7,175
3,500 shares
+45%
34Weak
AIMDbuy
Ainos, Inc.
yao-chung chiang
director
$4,260
2,000 shares
+35%
28Weak
AIMDbuy
Ainos, Inc.
yao-chung chiang
director
$575
250 shares
+5%
38Weak
AIMDbuy
Ainos, Inc.
yao-chung chiang
director
$4,000
2,000 shares
+57%
37Weak
AIMDsell 3
Ainos, Inc.
Taiwan Carbon Nano Technology Corp
owner
$97k
41,000 shares
-4%
47Moderate
AIMDsell 3
Ainos, Inc.
ting-chuan lee
director
$209k
109,988 shares
-12%
35Weak
AIMDsell 3
Ainos, Inc.
ting-chuan lee
director
$29k
18,302 shares
-2%
38Weak
AIMDbuy
Ainos, Inc.
yao-chung chiang
director
$4,521
2,700 shares
+326%
31Weak
AIMDbuy
Ainos, Inc.
yao-chung chiang
director
$219
129 shares
+18%
33Weak
AIMDbuy
Ainos, Inc.
yao-chung chiang
director
$511
300 shares
+75%

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.

chung-jung tsai sold $54k of AIMD | InsiderTell