Chang Stephen Chunping
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Chang Stephen Chunping. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| AOSL | Chief Executive Officer | Gift | 2,100 | — | — | Sep 9, 2025 |
| AOSL | Chief Executive Officer | Tax Withholding | 19,996 | $27.61 | $552,090 | Mar 17, 2025 |
| AOSL | Chief Executive Officer | Tax Withholding | 11,224 | $36.54 | $410,125 | Jan 2, 2025 |
| AOSL | Chief Executive Officer | Gift | 2,000 | — | — | Nov 8, 2024 |
| AOSL | Chief Executive Officer | Tax Withholding | 6,080 | $21.55 | $131,024 | Mar 15, 2024 |
| AOSL | Chief Executive Officer | Tax Withholding | 8,208 | $27.38 | $224,735 | Jan 2, 2024 |
| AOSL | Chief Executive Officer | Award / Grant | 57,500 | — | — | Mar 15, 2023 |
| AOSL | President | Tax Withholding | 4,368 | $48.65 | $212,503 | Mar 15, 2022 |
| AOSL | President | Gift | 1,200 | $50.74 | $60,888 | Dec 1, 2021 |
| AOSL | President | Gift | 1,000 | — | — | Mar 18, 2021 |
| AOSL | President | Award / Grant | 17,500 | — | — | Feb 25, 2021 |
| AOSL | Sr Vice President of Marketing | Tax Withholding | 2,223 | $7.36 | $16,361 | Mar 16, 2020 |
| AOSL | Sr Vice President of Marketing | Award / Grant | 1,687 | — | — | Mar 16, 2020 |