# Chang Hung-Lun (Fred): insider transactions

SEC CIK 1587462. Roles and transactions as reported on Form 4. Latest Form 4 filed 2026-10-26.

## Roles

| Company | Role | Transactions | First | Latest |
| --- | --- | ---: | --- | --- |
| [Applied Optoelectronics, Inc.](/companies/aaoi.md) | \*\*\* See Remarks, Officer | 4 | 2026-10-22 | 2026-10-22 |

## Transactions: 4

Every transaction reported, newest first. Codes P and S are open-market purchases and sales. Reported price is as stated on the form.

| Date | Company | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | ---: | ---: | ---: | --- |
| 2026-10-22 | [Applied Optoelectronics, Inc.](/companies/aaoi.md) | Tax withholding (F) | 677 | $77.32 | $52.3k | [Form 4](/filings/0001683168-26-008092.md) |
| 2026-10-22 | [Applied Optoelectronics, Inc.](/companies/aaoi.md) | Tax withholding (F) | 850 | $77.32 | $65.7k | [Form 4](/filings/0001683168-26-008092.md) |
| 2026-10-22 | [Applied Optoelectronics, Inc.](/companies/aaoi.md) | Tax withholding (F) | 674 | $77.32 | $52.1k | [Form 4](/filings/0001683168-26-008092.md) |
| 2026-10-22 | [Applied Optoelectronics, Inc.](/companies/aaoi.md) | Tax withholding (F) | 2,940 | $77.32 | $227.3k | [Form 4](/filings/0001683168-26-008092.md) |

Source: SEC EDGAR, Forms 4. Last ingested by Listed: Nov 1, 2026, 09:50 ET. No prices; not investment advice.