Reporting owner · Q3 2026 · CIK 1587462

Chang Hung-Lun (Fred): insider trades.

Chang Hung-Lun (Fred) reported 5 non-derivative transactions on 2 SEC ownership filings in Q3 2026: 0 open-market purchases and 1 sale ($3.5M), across 1 company.

Transactions
5
Purchases (P)
0
Sales (S)
1
Companies
1
Name as filed
Chang Hung-Lun (Fred)

Companies

CompanyRelationshipTransactions
Applied Optoelectronics, Inc. (AAOI)Officer · *** See Remarks5

Transactions

5 non-derivative rows. Shares and prices as filed.
DateCompanyCodeSharesPriceOwned afterFiling
2026-09-08Applied Optoelectronics, Inc.S32,172$110.21249,276Form 4
2026-07-22Applied Optoelectronics, Inc.F616$119.26281,448Form 4
2026-07-22Applied Optoelectronics, Inc.F2,674$119.26283,450Form 4
2026-07-22Applied Optoelectronics, Inc.F773$119.26280,064Form 4
2026-07-22Applied Optoelectronics, Inc.F613$119.26282,837Form 4

Questions

What stock did Chang Hung-Lun (Fred) buy or sell?

Chang Hung-Lun (Fred) reported 5 non-derivative transactions on 2 SEC ownership filings in Q3 2026: 0 open-market purchases and 1 sale ($3.5M), across 1 company.

Is Chang Hung-Lun (Fred) the same person as other filers with this name?

This page covers SEC CIK 1587462 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.

Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.

Plain-text version for agents and LLMs: /insiders/chang-hung-lun-fred-1587462.md

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