InsiderSource
AAOI

APPLIED OPTOELECTRONICS, INC.

SEC CIK 1158114
$169.05 +323.7% · 90 days
90-day buys
$0
0 open-market
90-day sells
$51.7M
14 open-market
Net insider flow
−$51.7M
Net selling
Filings shown
51
Most recent
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At a glance

Over the last 90 days, insiders at AAOI have sold a net $51.7M of stock (0 open-market buys vs 14 sells).

Largest recent trade: Delaney Cynthia sold $10.71M of AAOI, trimming their stake 49%.

Most active filer: Murry Stefan J., with 10 transactions among the recent filings shown.

Insider transaction history

Form 4 filings for AAOI, newest first
View on SEC EDGAR ↗
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AAOI
APPLIED OPTOELECTRONICS, INC.
Sell Murry Stefan J. · Chief Financial Officer · Open-market sale · filed Apr 14, 2026 ΔOwn −1.4%

Murry Stefan J. sold $546K of AAOI, trimming their stake 1%.

−$546K
4,000 sh @ $137
AAOI
APPLIED OPTOELECTRONICS, INC.
Sell Kuo David C · *** See Remarks · Open-market sale · filed Mar 23, 2026 ΔOwn −26%

Kuo David C sold $2.9M of AAOI, trimming their stake 26%.

−$2.9M
29,000 sh @ $100
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About AAOI insider activity

This page tracks every recent Form 4 filed for APPLIED OPTOELECTRONICS, INC. with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.

The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.

Frequently asked questions

What are the latest AAOI insider transactions?

The most recent Form 4 filings for AAOI are listed at the top of this page, newest first, usually within minutes of SEC acceptance. Each row shows the insider, transaction code, share count, and dollar value.

How often is AAOI insider data updated?

Continuously. We read from SEC EDGAR, so new Form 4 filings for APPLIED OPTOELECTRONICS, INC. usually appear here within minutes of being accepted by the SEC.

What does "net insider flow" mean?

It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.

Why do some rows show grants or option exercises instead of buys?

Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.

Is this investment advice?

No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.