InsiderTrades

Form 4 for AAOI APPLIED OPTOELECTRONICS, INC.

Accepted 2026-06-18 16:52:46 ET · period of report 2026-06-17 · accession 0001683168-26-004979 · 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
T 2026-06-18 16:52 2026-06-17 AAOI Chang Hung-Lun (Fred) *** See Remarks S - Sale $170.60 -40.3K 286.1K -12% -$6.88M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, $.001 par value 2026-06-17 S D 40,329 $170.60 286,124 D — — (F1) These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 18, 2026. The shares were sold in multiple transactions at actual sale prices ranging from $168.00 to $173.78 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.