Hung-Lun (Fred) Chang

Insider

*** Senior Vice President and North America General Manager

Trades at: AAOI

30D 90D 1Y

Net shares · 30d

-78.3K

0 buy · 78.3K sell

Net value · 30d

-$13.3M

$0 in · $13.3M out

Sentiment · 30d

Net selling

0% buying · 100% selling

Open-market trades · 30d

0 buy · 78.3K sell

Net buy / sell volume (all companies)

Tap or hover the chart for daily net volume. Green = net buying, red = net selling.

All transactions · open-market

Include grants & non-market

AAOI Sell·S
Jun 17, 26

*** Senior Vice President and… · 10b5-1

$6.9M

40.3K sh · $170.60

Own -12%
AAOI Sell·S
Jun 12, 26

*** Senior Vice President and…

$5.7M

34.0K sh · $166.53

Own -9%
AAOI Sell·S
Jun 5, 26

*** Senior Vice President and…

$800.3K

4.0K sh · $200.07

Own -1%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 17, 2026	AAOI	*** Senior Vice President and North America General Manager	Sell S	40.3K	-12%	$170.60	$6.9M
Jun 12, 2026	AAOI	*** Senior Vice President and North America General Manager	Sell S	34.0K	-9%	$166.53	$5.7M
Jun 5, 2026	AAOI	*** Senior Vice President and North America General Manager	Sell S	4.0K	-1%	$200.07	$800.3K

About Hung-Lun (Fred) Chang

This profile aggregates every SEC Form 4 insider transaction reported by Hung-Lun (Fred) Chang across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.