// company-profile

Applied Optoelectronics, Inc.

AAOI
ExchangeNasdaqSectorSemiconductors & Related DevicesInc.DEFilings226Insiders12
// api This Applied Optoelectronics, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $78.1M across 15 transactions, with 6 offsetting purchases.

// 90-day insight

Over the last 90 days, Applied Optoelectronics, Inc. insiders bought $0 (11 transactions) and sold $143.7M (31 transactions).

  • Most active insider: Yeh Shu-Hua (Joshua) with 10 transactions totaling $20.7M.
  • Largest single sale: $16.5M by Lin Chih-Hsiang (Thompson) on May 19, 2026.
  • 11% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bearish — sales outpace buys.

Institutional Ownership

Top 13F-HR holders of Applied Optoelectronics, Inc. as of 2026-03-31

↑ increasing
Total reported AUM
$4.97B
QoQ change
+187.9%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$337.9M
4.0M shares
#2
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$259.0M
3.1M shares
#3
OBERWEIS ASSET MANAGEMENT INC/
CIK 937886
$198.8M
2.3M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 18, 2026Yeh Shu-Hua (Joshua)AAOI
Sale10b5
6,000$171.89$1.03M
Jun 17, 2026Chang Hung-Lun (Fred)AAOI
Sale10b5
40,329$170.60$6.88M
Jun 12, 2026Murry Stefan J.AAOI
Sale
33,000$166.53$5.50M
Jun 12, 2026Yeh Shu-Hua (Joshua)AAOI
Tax Withholding
23,397$172.78$4.04M
Jun 12, 2026Lin Chih-Hsiang (Thompson)AAOI
Tax Withholding
86,655$172.78$14.97M

45 more transactions hidden

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