Skip to content
sellModerate cluster of 510b5-1 plan

Hung-Lun (Fred) Chang sold $6.9M of AAOI

*** See Remarks at APPLIED OPTOELECTRONICS, INC.. 40,329 shares at an average of $170.60, traded Jun 17, 2026, filed Jun 18, 2026.

Warning score
40
Value
$6.9M
40,329 shares
Holdings after
286,124
-12% from before
From 52-week low
+897%
low $16.78, close $167.34
From 52-week high
-25%
high $223.10, as of Jun 17, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $6.9M at market
    +25
  • Share of holdings sold
    Sold 12% of holdings
    +5
  • Cluster
    5 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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.

AAOIOct 9, 2026 · close 109.64
Since filing Jun 18, 2026: -32.3%SPY +4.5% · excess -36.8%

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 0001683168-26-004979, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 17, 2026SOpen-market sale
Common Stock, $.001 par value10b5-1
-40,329$170.60$6.9M286,124Jun 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%
55Moderate
AAOIsell 6
APPLIED OPTOELECTRONICS, INC.
Hung-Lun (Fred) Chang
*** See Remarks
$5.7M
34,000 shares
-9%

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 $6.9M of AAOI | InsiderTell