Chang Hung-Lun (Fred) Insider Trades & Stock Holdings

*** See Remarks · Applied Optoelectronics, Inc. · Latest filing Jun 17, 2026

Chang Hung-Lun (Fred), *** See Remarks at Applied Optoelectronics, Inc. has 2 Form 4 trades on file since Jun 12, 2026. Open-market activity: 0 purchases ($0) and 2 sales ($12.54M), net -$12.54M. Latest filing: disposed of 40.33K shares of $AAOI on Jun 17, 2026 at $170.60.

Trades on file

2

Open-market bought

$0

Open-market sold

$12.54M

Net open-market

-$12.54M

Latest filing

Jun 17, 2026

All insider trades by Chang Hung-Lun (Fred)

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 17, 2026	$AAOI	Sell (Open-market sale) 10b5-1	40.33K	$170.60	$6.88M			-12.2%	-38.8%		*** See Remarks		—
Jun 12, 2026	$AAOI	Sell (Open-market sale)	34K	$166.53	$5.66M			+1.3%	-33.8%		*** See Remarks		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Chang Hung-Lun (Fred) traded

• $AAOI

Frequently asked questions

Has Chang Hung-Lun (Fred) been buying or selling stock?

Chang Hung-Lun (Fred) has 0 open-market purchases and 2 open-market sales on file, net -$12.54M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Chang Hung-Lun (Fred)'s latest insider trade?

disposed of 40.33K shares of $AAOI on Jun 17, 2026 at $170.60.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.