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sellNotable cluster of 9

Hung-Lun (Fred) Chang sold $3.6M of AAOI

*** See Remarks at APPLIED OPTOELECTRONICS, INC.. 36,400 shares at an average of $100.25, traded Mar 16, 2026, filed Mar 18, 2026.

Warning score
60
Value
$3.6M
36,400 shares
Holdings after
233,618
-13% from before
From 52-week low
+836%
low $10.05, close $94.07
From 52-week high
-26%
high $127.01, as of Mar 16, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $3.6M at market
    +25
  • Share of holdings sold
    Sold 13% of holdings
    +5
  • Cluster
    9 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.

This signal so far: 1m +72.1%, 3m +80.7%, 6m +4.4%.

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.

AAOIOct 13, 2026 · close 97.78
Since filing Mar 18, 2026: +5.6%SPY +18.5% · excess -13.0%

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 0001683168-26-001979, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 16, 2026SOpen-market sale
Common Stock, $.001 par value
-36,400$100.25$3.6M233,618Mar 18, 2026

Related signals

Other insiders at APPLIED OPTOELECTRONICS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
16Weak
AAOIsell10b5-1
APPLIED OPTOELECTRONICS, INC.
Shu-Hua (Joshua) Yeh
*** See Remarks
$720k
6,000 shares
-2%
26Weak
AAOIsell 210b5-1
APPLIED OPTOELECTRONICS, INC.
Stefan J. Murry
Chief Financial Officer
$421k
4,000 shares
-1%
53Moderate
AAOIsell 2
APPLIED OPTOELECTRONICS, INC.
Hung-Lun (Fred) Chang
*** See Remarks
$3.5M
32,172 shares
-11%
26Weak
AAOIsell 210b5-1
APPLIED OPTOELECTRONICS, INC.
Shu-Hua (Joshua) Yeh
*** See Remarks
$886k
6,000 shares
-2%
29Weak
AAOIsell 210b5-1
APPLIED OPTOELECTRONICS, INC.
Stefan J. Murry
Chief Financial Officer
$579k
4,000 shares
-1%
22Weak
AAOIsell 210b5-1
APPLIED OPTOELECTRONICS, INC.
Shu-Hua (Joshua) Yeh
*** See Remarks
$596k
4,715 shares
-1%
14Weak
AAOIsell 210b5-1
APPLIED OPTOELECTRONICS, INC.
Shu-Hua (Joshua) Yeh
*** See Remarks
$154k
1,285 shares
-0%
28Weak
AAOIsell 210b5-1
APPLIED OPTOELECTRONICS, INC.
Stefan J. Murry
Chief Financial Officer
$488k
4,000 shares
-1%
35Weak
AAOIsell 510b5-1
APPLIED OPTOELECTRONICS, INC.
Shu-Hua (Joshua) Yeh
*** See Remarks
$1.0M
6,000 shares
-1%
40Moderate
AAOIsell 510b5-1
APPLIED OPTOELECTRONICS, INC.
Hung-Lun (Fred) Chang
*** See Remarks
$6.9M
40,329 shares
-12%

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.

Hung-Lun (Fred) Chang sold $3.6M of AAOI | InsiderTell