InsiderTrades

Form 4 for AAOI APPLIED OPTOELECTRONICS, INC.

Accepted 2026-09-10 16:27:31 ET · period of report 2026-09-08 · accession 0001683168-26-007059 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-09-10 16:27 2026-09-08 AAOI Chang Hung-Lun (Fred) *** See Remarks S - Sale $110.21 -32.2K 249.3K -11% -$3.55M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, $.001 par value 2026-09-08 S D 32,172 $110.21 249,276 D — — (F1) The shares were sold in multiple transactions on September 8, 2026 at actual sale prices ranging from $110.00 to $110.76 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold during each transaction.